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INSTRUCTION MANUAL

1. Go Ga Ge Go Co ec tee bee ee KEY SPEED BK INDELAY COMP MONIGAIN The AFSK modulation signal can also be input to MIC p 92 Rear panel REMOTE JACK USB CONNECTOR p 101 Used for computer control and transceive operation The optional CT 17 is required when connecting a PC to REMOTE AH 4 option AH 2b option p 18 or long wire ALC SEND p 21 Used for connecting a non Icom linear amplifier ANT 1 ANT 2 p 82 Connect a linear amplifier antenna selector etc option INSTALLATION AND CONNECTIONS 2 E External keypad connections Oa GI GC MENU Sep C EXTERNAL KEYPAD 47kQ 22kQ 1 5kQ 1 5kKQ Connect an external keypad for keyer t5 5 5 5 memory control When using a external keypad set the External Keypad item to KEYER SEND in the Set mode p 88 E External antenna tuner connection Connecting the AH 4 4 The AH 4 must be connected to ANT1 Coaxial cable from t
2. Noise reduction OFF Noise reduction ON Noise components Desired signal CW NOTCH control NOTCH While tuning the manual notch filter noise may be heard This comes from the DSP unit and 7 does not indicate an equipment malfunction OAV FUNCTIONS FOR TRANSMIT 6 E VOX function Mode SSB AM FM The VOX Voice Operated Transmission function switches the transceiver between transmit and receive with your voice This function provides hands free op eration Using the VOX function 1 Select a phone mode SSB AM FM p 31 2 Push VOX BK IN to turn the VOX function ON or OFF e VOX appears when the VOX function is ON Adjusting the VOX function 1 Select a phone mode SSB AM FM p 31 2 Hold down VOX BK IN for 1 second to display the VOX screen 3 Push A F 1 or W F 2 to select the VOX Gain item 4 While speaking into the microphone rotate DIAL to the point where the transceiver is continuously transmitting 5 If the received audio from the speaker causes the VOX circuit to switch to transmit push A F 1 or V F 2 to select the Anti VOX item Then adjust the anti VOX setting to the point where received audio does not activate the VOX 6 Adjust the VOX delay for a convenient interval be fore returning to receive after you st
3. OOGO Ce Ge Ge eo Ga RIT ATX wes ss fow ety famm Tee KEY SPEED BK IN DELAY COMP MONI GAIN A 0 Ge mn ei el f v i POWER SWITCH POWER p 23 Push to turn ON the transceiver power e First confirm the DC power source is turned ON Hold down for 1 second to turn OFF the power TRANSMIT SWITCH TRANSMIT p 34 Push to select transmit or receive e While transmitting the TX indicator lights red e While receiving or when the squelch opens the RX indi cator lights green ANTENNA TUNER SWITCH TUNER pp 83 84 Push to turn the internal antenna tuner ON or OFF bypass e When the tuner is ON TUNE appears e The internal antenna tuner settings can be memo rized in each frequency band Hold down for 1 second to manually start the an tenna tuner e f the tuner cannot tune the antenna within 20 sec onds the tuning circuit is automatically bypassed ANTENNAeMETER SWITCH ANTeMETER ANTENNA SWITCH Operation e Push to select either the ANT1 or ANT2 connec tor p 82 METER SWITCH Operation Hold down for 1 second to display either the COMP or SWR meter in addition to the ALC meter p 33 HEADPHONE JACK PHONES p 17 Plug in standard stereo headphones Impedance 8 to 16 QO e Output power 5 mW with an 8 load e When headphones are connected the interna
4. P AMP AGC FILTER a M A SCAN MEM SWR 76 8 SCANS E Scan Set mode The scan speed and the Scan Resume function can be set in the Scan Set mode 1 Push MENU one or more times to display the M2 screen Menu 2 2 Push SCAN F 1 to display the SCAN screen 3 Push SET F 5 to enter the Scan Set mode 4 Push A F 1 or W F 2 to select the desired item 5 Rotate DIAL to select the desired option e Hold down F 3 for 1 second to reset to the default set ting 6 Push MENU to save and return to the SCAN screen 7 Push MENU again to return to the M2 screen 1 SCAN Speed Default HIGH Select the desired scan speed between high and low e HIGH The scan is faster e LOW The scan is slower 2 SCAN Resume Default ON Set the Scan Resume function ON or OFF s ON When a signal is detected the scan pauses for 10 seconds then resumes When a signal dis appears the scan resumes 2 seconds later e OFF When a signal is detected the scan is can celled SCAN 4 V SET MENU F 3 SCAN MEM SWR TCON MSC SCAN AF 1OkK PRO Ar FIN SPAN SET SCAN Speed 7 N 1 v HIGH SCAN Resume AA 2 wy ON scans 8 E Programmed scan Fine programmed scan VFO mode A programmed scan searches for signals between Program Scan Edge channels P1 and P2 Before starting the progra
5. Lower pitch ATX SWITCH ATX p 65 Push to turn the ATX function ON or OFF e Use the RIT AMTX control to vary the ATX frequency Hold down for 1 second to shift the transmit fre quency up or down by the ATX frequency shift Y What is the ATX function ATX shifts the transmit frequency without shifting the re ceive frequency This is useful for simple split frequency operation in CW etc CLEAR SWITCH CLEAR pp 53 65 Hold down for 1 second to clear the RIT ATX fre quency shift When the Quick RIT Clear item in the Set mode is set to ON push momentarily to reset the frequency shift p 88 RIT SWITCH RIT p 53 Push to turn the RIT function ON or OFF e Use RIT ATX control to vary the RIT frequency Hold down for 1 second to shift the receive fre quency up or down by the RIT frequency shift VY What is the RIT function The RIT Receiver Incremental Tuning shifts the receive frequency without shifting the transmit frequency This is useful for fine tuning stations calling you off fre quency or when you prefer to listen to slightly different sounding voice characteristics etc RIT ATX CONTROL RIT ATX pp 53 65 When either or both the RIT ATX functions are ON rotate to adjust the RIT ATX frequency shift e Rotate the control clockwise to increase the frequency or counterclockwise to decrease the frequency e The frequency shift range is 9 999 kHz in 10 Hz steps
6. A P AMPe ATT About the Preamplifier and Attenuator switching procedure The Preamplifier and Attenuator are switched with RAMP ATT as shown below P AMP P AMP P AMP OFF a e Push Hold down Geen DE ATT ON Push E AGC function The AGC Auto Gain Control controls receiver gain to produce a constant audio output level even when the received signal strength varies greatly The transceiver has three pre set AGC time constants fast mid and slow for SSB CW RTTY and AM modes In the FM mode the AGC time constant is fixed to FAST 0 1 second AGC speed selection 1 Select either the SSB CW RTTY or AM mode p 31 2 Push MENU to display the M1 screen Menu 1 then push AGC F 1 one or more times to select AGC fast E AGC mid M or AGC slow B AGC OFF appears when the selected AGC Y Speed e time constant is set to OFF NY Setting the AGC time constant M Select either the SSB CW RTTY or AM mode p 31 2 Push MENU to display the M1 screen Menu 1 then hold down AGC F 1 for 1 second to display the AGC screen 3 Push either FAST F 2 MID F 3 or SLOW F 4 to select the desired AGC speed to be set e An underline appears below the time constant display 4 Rotate DIAL to set the desired time constant e AGC time constant can be set to between 0 1 to 8 0 seconds depending on the mode or turned OFF
7. SU ee ee CO e X e EI S e Kl N i e e J S J y J y 4 y d y 3 y S k 3 k i N d i d i d d d B 4 i Z x p 4 A G A fs a A i E ee Le f N Vif N ELLE ERT A Jupp og Geet e Sne rect NOISE BLANKER SWITCH NB p 60 Push to turn the Noise Blanker ON or OFF The Noise Blanker reduces pulse type noise such as that generated by vehicle ignition systems The Noise Blanker cannot be used in the FM mode and is not effective for non pulse type noise e NB appears when the Noise Blanker is ON Hold down for 1 second to display the NB screen Push to return to the previous screen display NOISE BLANKER LEVEL CONTROL NB outer control p 60 Rotate to adjust the noise blanker threshold level when the Noise Blanker is ON Set for maximum readability e To use this control first push NB Increases Decreases NOISE REDUCTION LEVEL CONTROL NR inner control p 61 Rotate to adjust the DSP noise reduction level when the Noise Reduction is ON Set for maximum readability e To use this control first push NR Increases Decreases NOISE REDUCTION SWITCH NR p 61 Push to turn DSP Noise Reduction ON or OFF e NR appears when Noise Reduction is ON TX INDICATOR Lights red while transmitting FUNCTION SWITCHES F1 F5 pp 13 14 Push to select the function which
8. Appears BASIC OPERATION 3 Auto Tuning Step function 4 Y When you rotate DIAL rapidly the tuning speed can automatically accelerate depending on the MAIN DIAL Auto TS setting in the Set mode CO Hold down MENU for 1 second to enter the Set mode 2 Push A F 1 or W F 2 to select MAIN DIAL Auto TS 3 Rotate DIAL to select the HIGH or LOW tuning speed acceleration or to turn OFF the function e HIGH When the tuning step is set to 1 kHz or smaller steps the tuning speed is approxi A 26 mately five times faster When the tuning step is set to 5 kHz or larger steps the tuning speed is approxi mately two times faster default e LOW Approximately two times faster e OFF Turns the function OFF e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Push MENU to save and exit the Set mode MAIN DIAL Auto TS v HIGH HIGH default About the 5 MHz frequency band operation only USA version Operation on the 5 MHz band is allowed on SE Transceiver Displayed FCC Channel frequencies and must adhere to the following Frequency Center Frequency e The USB mode e Maximum of 50 watts ERP Effective Radiated Power GE E e 2 8 kHz bandwidth 5 34650 MHz 5 34800 MHz It s your responsibility to set all controls so that trans 5 36650
9. OIT OLOV OLT OLU OMT ONL OPL OPT OSK OSI OES USE OGBOIS OLI ONOLICH OBG LIROUTR OHR Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
10. When connecting to ACC e When using a PC application Connect to the serial port parallel port speaker jack microphone jack or line IN OUT jack etc See the instruction manual of the application for details FSKK e When using a TNC KEES FSKK RTTY OUTPUT Ge Z A or AF j ao Cao AUDIO INPUT pff Rear panel view When connecting to MIC 1 When using the VOX func tion no connection is needed Refer to the instruction man lt AUDIO OUTPUT Connect to the serial port ual of the external equipment parallel port speaker jack 2 When connecting the squelch D GND microphone jack or line IN line consult the necessary 8 lt AF INPUT OUT jack etc manual PTT See the instruction manual of the application for details e When using a PC application Rear panel view lt SSS Ze Ls SE SS Za EE SQL INPUT INFORMATION When the USB Serial Func item is set to RT TY in the Set mode p 89 the USB port sends RTTY decode signal In this case you must connect a USB cable between the transceiver s USB port on the rear panel and the PC p 17 e The USB driver and the installation guide can be downloaded from our website URL http www icom co jp world index html Purchase separately 93 11 DATA COMMUNICATION E Packet AFSK operation Before operating packet AFSK be sure to consult the operating manual that came with yo
11. e Hold down FAST F 2 MID F 3 or SLOW F 4 for 1 second to reset to the default setting for the selected time constant 5 Select another mode except for FM then repeat steps 3 and if desired 6 Push MENU to save and exit the AGC screen Mode en AGC time constant CW RTTY 0 unit seconds Default Selectable AGC time constant OFF 0 1 0 2 0 3 0 5 0 8 1 2 6 0 SLOW 6 2 0 2 5 3 0 4 0 5 0 6 0 OFF 0 1 0 2 0 3 0 5 0 8 1 2 1 2 SLOW 6 2 0 2 5 3 0 4 0 5 0 6 0 OFF 0 3 0 5 0 8 1 2 1 6 2 0 2 5 3 0 4 0 5 0 6 0 7 0 8 0 mu Joen FUNCTIONS FOR RECEIVE D MENU Mode keys P AMP AGC FILTER a M a AGC Hold down etag FAST MID SLOW SSB 0 3s 2 0s 6 0s Appears under the selected AGC Selected mode speed s time constant display e When AGC fast is selected Nero FAST MID SLOW SSB O 3s 2 0s 6 0s e When AGC slow is selected Nero FAST MID SLOW SSB 0 3s Zi US 6 0s For your information When you are receiving a weak signal and a strong signal is momentarily received the AGC function quickly reduces the receiver gain When that sig nal disappears the transceiver may not receive the weak signal because of the AGC action In that ase hold down AGC F 1 for 1 second and ro tate DIAL to set the time constant to OFF O AGG 56 57 D FUNCTIONS FOR
12. 2 While scanning push FIN F 3 to switch the scan function between a programmed scan and a Fine programmed scan e F PROG SCAN blinks while Fine programmed scan ning 3 Push PRO F 1 to cancel the scan e Rotating DIAL also cancels the scan SCAN PRO VFO MEMO TS P AMP AGC FILTER a M A Seil PPOO SCAN PRO AF FIN SPAN SET While Programmed scanning SONNE PROG SCAN PRO AF FIN SPAN SET Tri Sief F PROG SCAN PRO AF FIN SPAN SET While Fine programmed scanning 78 79 8 SCANS E Memory scan Memory mode Memory scan A Memory scan searches for signals through Memory channels 1 to 99 Blank unprogrammed channels are skipped N Y NOTE To start a Memory scan two or more Mem Y ory channels must be programmed p 70 NY 1 Push VFO MEMO to select the Memory mode 2 Push MENU to display the M2 screen Menu 2 3 Push SCAN F 1 to display the SCAN screen 4 Rotate the RF SQL control to set the squelch to open or closed e The scan performance differs depending on the squelch setting when the scan was started See page 76 for de tails e f the RF SQL control function is set to AUTO the squelch is always open in the SSB CW and RTTY modes pp 2 32 86 Push MEM F 1 to start or cancel the Memory scan e The MHz and kHz decimal points and MEMO SCAN blink w
13. Shows transmit VFO B frequency e Jesse eise dee cl et A e P A Po oeeeee DQereseee 50 e eege ee eege ALc Shows frequency shift and direction e After setting up P AMP AGC FILTER a M A 6 66 D FUNCTIONS FOR TRANSMIT WE Quick Split function When you hold down SPLIT for 1 second the Split frequency operation is turned ON The undisplayed VFO is automatically changed according to the plus minus frequency shift programmed in the Set mode or equalized when 0 kHz default setting is programmed as the split frequency shift p 86 The Quick Split function is ON by default For your convenience it can be turned OFF in the Set mode p 86 In this case holding down SPLIT does not equalize the VFO A and VFO B frequencies 1 Suppose you are operating at 21 290 MHz USB in VFO A 2 Hold down SPLIT for 1 second e Split frequency operation is turned ON e The transmit frequency VFO B is equalized to the re ceive frequency VFO A e n the FM mode the transmit frequency VFO B shifts from the receive frequency VFO A according to the FM SPLIT Offset HF and FM SPLIT Offset 50 setting in the Set mode e In the FM mode the Tone Encoder function is automati cally turned ON 3 While holding down XFC rotate DIAL to set the transmit frequency e The frequency shift is displayed on the function display e You can directly set the frequency shift See the left
14. item appears in the Set mode A total of 30 band edge frequencies can be pro grammed in the User Band Edge item NOTE e All frequency ranges are set to default so you should delete or change them to add the desired band edge frequency e Program each channel from left to right and each frequency must be higher than the preceding fre quency e The frequency that is duplicated or out of an ama teur band cannot be programmed XM g WW Hold down MENU for 1 second to enter the Set mode 2 Push A F 1 or W F 2 to select Band Edge Beep 3 Rotate DIAL to select either ON User or ON User amp TX 4 Push W F 2 to select User Band Edge 5 Push EDT F 4 to display the EDG screen Band Edge Program 6 Push A F 1 or W F 2 to select the desired band edge e Holding down A F 1 or W F 2 continuously selects the band edges e Push lt 4 gt F 3 to select the upper or lower band edge frequency entry status e Hold down DEL F 5 for 1 second to delete the se lected band edge e Push INS F 4 to insert a new blank band edge 7 Input the desired frequency with the keypad then push F INP ENT e Push GENE el to input decimal point between the MHz and kHz digits Push MENU to save 9 Push MENU again to exit the Set mode To reset the band edge frequencies lf you want to reset the band edge frequencies to their default initial sett
15. mode p 85 TX does not appear RX ICON Indicates the receive frequency is displayed FREQUENCY READOUT Displays the operating frequency e When the quick tuning icon is displayed the fre quency changes in kHz quick tuning steps p 27 e When the quick tuning icon w is not displayed the frequency changes in 10 Hz or 1 Hz steps When the Split function is ON displays the re ceive frequency VFO A or VFO B p 66 MULTI FUNCTION METER INDICATION ber Displays the signal strength while receiving Displays the relative output power ALC and SWR or compression levels while transmitting p 33 When the Meter Peak Hold function is ON the peak level of a received signal strength or the output power is displayed for approximately 0 5 seconds p 60 VOX ICON p 62 Appears when the VOX function is ON SPEECH COMPRESSOR ICON p 64 Appears when the Speech Compressor function is ON FUNCTION DISPLAY pp 13 14 Shows the function of the function switches F 1 to F 5 Set mode items and IF passband width VOICE SQUELCH CONTROL ICON p 76 Appears when the VSC Voice Squelch Control function is ON TONE SQUELCH ICONS Mode FM e TONE appears when the Repeater Tone func tion is ON p 52 TSQL appears when the Tone Squelch function is ON p 50 SPLIT READOUT pp 66 67 When the Split function is ON displays the transmit freq
16. 0200 Send read the selected filter width AM 00 200 Hz to 49 10 kHz other than AM modes 00 50 Hz to 40 31 3600 Hz 2700 Hz Send read the selected AGC time constant OO OFF AM 01 0 3 sec to 13 8 0 sec other than AM modes 01 0 1 sec to 13 6 0 sec Send read LCD contrast O000 0 low to 0255 100 high Send read LCD backlight brightness level O000 0 dark to 0255 100 bright Send read beep level 0000 0 to 0255 100 Send read beep level limit OFF Send read beep level limit ON Send read confirmation beep OFF Send read confirmation beep ON Send read band edge beep OFF Send read band edge beep ON Beep sounds with a default band Send read band edge beep with user set ting ON Send read band edge beep with user set ting TX limit ON Send read beep audio frequency 0050 500 Hz to 0200 2000 Hz eS eee 05 ee 00 01 00 01 00 01 00 01 02 0000 to 0255 00 01 00 01 00 01 00 01 00 01 00 01 02 00 01 00 01 00 01 02 00 01 02 00 01 Send read Auto selection for RF SQL Send read SQL selection for RF SQL Send read RF SQL selection for RF SQL Send read Meter Peak Hold function OFF Send read Meter Peak Hold function ON Send read Time Out Timer CI V OFF Send read 3 min Time Out Timer CI V Send read 5 min Time Out Timer CI V Send read 10 min Time Out Timer CI V Send read 20 min Time Out Timer CI V Send read 30 min Time Out Timer CI V Send read Quick
17. 36 kHz e Sensitivity SSB CW 0 16 uV 1 80 29 99 MHz 4 10 dB S N BW 2 4 kHz 0 13 uV 50 0 54 0 MHz AM 10 dB S N 12 6 uV 0 5 1 799 MHz 4 BW 6 kHz 2 0 uV 1 80 29 99 MHz 4 1 6 uV 50 0 54 0 MHz 0 5 UV 28 0 29 7 MHz 4 0 32 uV 50 0 54 0 MHz FM 12 dB SINAD BW 15 kHz e Squelch sensitivity Frequency band Squelch sensitivity we iisen SSB Less than 5 6 pV Less than 0 32 EM Less than 0 32 uv SSB Less than 5 6 uV 50 MHz FM Less than 0 32 uV Preamp 2 is ON Preamp 1 is ON e Selectivity IF filter shape is set to SHARP SSB BW 2 4 kHz More than 2 4 kHz 6 dB Less than 3 4 kHz 40 dB More than 500 Hz 6 dB Less than 700 Hz 40 dB More than 500 Hz 6 dB Less than 800 Hz 40 dB More than 6 0 kHz 6 dB Less than 10 0 kHz 40 dB More than 12 0 kHz 6 dB Less than 22 0 kHz 40 dB e Spurious and image rejection ratio More than 70 dB More than 2 0 W at 10 distortion with an 8 Q load 9 999 kHz 3 conductor 6 35 d mm Loan 2 conductor 3 5 d mm emp Q More than 30 dB with 1 kHz single tone More than 70 dB More than 6 dB noise rejection in SSB CW BW 500 Hz RTTY BW 350 Hz AM BW 6 kHz FM BW 15 kHz e AF output power at 13 8 V DC e RIT variable range e PHONES connector es External SP connector e DSP ANF attenuation e DSP MNF attenuation e DSP NR attenuation SPECIFICATIONS 15
18. 9 999 MHz in 1 kHz steps 15 SPLIT LOCK Default OFF Turn the Split Lock function ON or OFF When this item is set to ON you can use DIAL to ad just the transmit frequency while holding down XFC even while the Dial Lock function is ON See pages 66 67 for split frequency operation de tails 16 Tuner Auto Start Default OFF Turn the Automatic Antenna Tuner function ON or OFF This function is for only the HF bands e OFF The internal antenna tuner remains OFF even when the SWR is high e ON The internal antenna tuner automatically starts tuning when the SWR is high even if the tuner is turned OFF 86 87 10 SETMODE E Set mode description Continued 17 Tuner PTT Start Default OFF Whenever you push PTT the internal or external an tenna tuner automatically starts tuning if the operating frequency is changed by more than 1 from the last tuned frequency e OFF Tuning starts only when TUNER is pushed s ON Internal antenna tuner Tuning starts when you push PTT on a new frequency if the in ternal antenna tuner is ON External antenna tuner Tuning always starts when you push PTT on a new frequency re gardless of whether the external antenna tuner is ON or OFF 18 Tuner Preset Clear Select the desired antenna The selected antenna s preset memory is cleared by holding down CLR F 4 for 1 second The variable capacitor settings are memorized as
19. A F 1 or W F 2 to select the desired item 5 Rotate DIAL to select the desired option e Hold down F 3 for 1 second to reset to the default set ting if desired 6 Push MENU to save and return to the RTTY screen 7 Push MENU again to return to the M1 screen 1 RTTY Mark Freq Select the RTTY mark frequency Default 2125 e 1275 1615 and 2125 Hz are selectable 2 RTTY Shift Width Select the RTTY frequency shift Default 170 e 170 200 and 425 Hz are selectable 3 RTTY Keying Pol Default NORMAL Select normal or reverse keying polarity e NORMAL Key open close Mark Space e REVERSE Key open close Space Mark RECEIVE AND TRANSMIT 4 Bag RTTY Mark Freq v 1 a COR JESS a eet Sec Reset to the default setting Select the item 4 Decode USOS Default ON Turn the USOS UnShift On Space function ON or OFF This function decodes a letter code after receiv ing a Space e OFF Decodes as a character code e ON Decodes as a letter code 5 Decode New Line Default CR LF CR LF Select the internal RT TY decoder new line code CR Carriage Return LF Line Feed e CR LF CR LF Makes a new line with any code e CR LF Makes a new line with only the CR LF code 6 Decode Screen Default 3 line Set the decoder screen display mode to 2 or 3 lines 48 4 RECEIVE AND TRANSMIT E Operating AM FM 1 Select the desired band p 25 2
20. P AMP or P AMD I is displayed when the preamp 1 or preamp 2 is ON e No indicator is displayed when the preamp is OFF a Wide dynamic range preamplifier It is P AMP most effective for 1 8 to 21 MHz bands High gain preamplifier It is most effective P AMP tor 24 to 50 MHz bands E Attenuator The attenuator prevents a desired signal from being distorted when very strong signals are near the sig nal s frequency or when very strong electromagnetic fields such as from broadcast stations are near your location These can both be independently set for each band Hold down P AMPeATT for 1 second to turn ON the Attenuator e ATT appears when the Attenuator is ON Push P AMPeATT momentarily to turn OFF it PRAMPeAT T VY About the P AMP2 preamplifier The preamp 2 is a high gain receive amplifier When it is used in the presence of strong electromagnetic fields distortion sometimes results In such cases use either the PAMP 1 or PAMP OFP setting Preamp 2 is most effective when e Used on bands above 24 MHz and when signals are weak e Receive sensitivity is insufficient when using low gain antennas or while using a narrow band antenna co f ZG CO 2229 O es elen A n OO SSS ER ees Bee 2 O A O o eo O00 en O Sasa ocr O Sc OOOO en en ce en
21. UP DN switch in the Paddle Polarity item in the Keyer Set mode When Normal is selected UP sends a dash and DN sends a dot PTT SWITCH Hold down to transmit release to receive PTT LOCK SWITCH available on only the SM 50 Push to toggle between transmit and receive LOW CUT SWITCH available on only the SM 50 Push to cut out the low frequency components of input voice signals 22 23 3 BASIC OPERATION E Before first applying power Before turning ON your transceiver for the first time make sure all connections required for your system are complete by reviewing them in Section 2 of this manual NR Max CCW After all connections have been made set controls and switches as shown in the illustration below NR NB E POWER SS TWIN PBT TRANSMIT TUNER RF PWR i d VA V XA LY Qe PBT CLR NOTCH p gt ow te N OTC H O 12 o clock J ri Cee J Cee J F 5 e mw cw J arty J AM FM CW PITCH 12 o clock FILTER HI VOX BK IN ve Monitor KEY SPEED 10 12
22. 2 EDT F 3 001 F 4 or SET F 5 to select the desired menu See the diagram below e Push MENU to save and return to the previous dis play MENU KEY 001 Memory keyer menu construction The screen you want to appear first can be selected in the KEYER 1st Menu item of the Set mode p 88 e Keyer Edit screen p 40 Sg co TEST CQ TEST DE lt gt DEL SPC e Keyer Send screen p 39 i M 1 M24 M3 M 4 1 d e Contest Number Set mode p 41 l MENU d SS ae SF Se eo a a a Ee a oe Se Ss Ss Se Ss a e elek Number Style OO M 1 v Normal e Memory Keyer screen KEY SEND EDT OO SET est Tesch Ze Ee e Keyer Set mode p 42 Se Tone Level v ee S D 50 38 39 4 RECEIVE AND TRANSMIT E Electronic keyer functions continued Memory keyer send menu Pre set characters can be sent using the Keyer Send menu Contents of the memory keyer are set in the Edit menu e Transmitting 1 In the CW mode push MENU to display the M1 screen Menu 1 2 Push KEY F 4 to display the KEY screen Mem ory Keyer 3 Push SEND F 2 to display the SEND screen Keyer Send 4 Push TRANSMIT to switch the transceiver to transmit or turn ON the Break in function p 63 Push one of the function keys M1 F 1 to M4 F 4 to send the memory keyer contents e Holding down a fun
23. Auto Notch function ON 102 103 14 CONTROL COMMAND Command table continued E ee 05 0001 0002 0003 0004 0005 0006 Send read Repeater tone OFF Send read Repeater tone ON Send read Tone squelch OFF Send read Tone squelch ON Send read Speech Compressor OFF Send read Speech Compressor ON Send read Monitor function OFF Send read Monitor function ON Send read VOX function OFF Send read VOX function ON Send read BK IN function OFF Send read Semi BK IN function ON Send read Full BK IN function ON Send read Manual Notch function OFF Send read Manual Notch function ON Send read VSC function OFF Send read VSC function ON Send read Twin Peak Filter OFF Send read Twin Peak Filter ON Send read Dial Lock function OFF Send read Dial Lock function ON Send read 1st IF filter 15 kHz Send read 1st IF filter 6 kHz Send read 1st IF filter 3 kHz Send read DSP filter type SHARP Send read DSP filter type SOFT Send read manual notch width WIDE Send read manual notch width MID Send read manual notch width NAR Send read SSB transmit bandwidth WIDE Send read SSB transmit bandwidth MID Send read SSB transmit bandwidth NAR see p SG Send CW messages n a Read the transceiver ID see p 108 Send read memory contents see p 106 Send read band stacking register contents see p 107 Send read memory keyer contents 00 to 49 00 to 13 0000 to 0255 0000 to 0255 0000 to 0255 00 01 00 01 00 01 02 03 0050 to
24. DECLARATION O ICOM OF CONFORMITY CEQ Bad Soden 14th Jan 2011 Place and date of issue Icom Europe GmbH Communication Equipment Auf der Krautweide 24 65812 Bad Soden am Taunus Germany Authorized representative name Y Furukawa General Manager Signature Icom Inc cE 17 114 MEMO MEMO Count on us IC 7410 03 Europe IC 7410 04 Europe 1 IC 7410 05 Italy IC 7410 06 Spain IC 7410 11 France A 6904H 1EX Printed in Japan 2011 Icom Inc lt Intended Country of Use gt MAT MBE ECY OCZ MDK MEE EF CFR EDE SGRMHUBIE OT OLV ELT BLU BRMTRNL EPL EPT ESk ESI OES OSE ECBOIS ELI ONOCOCH EBG BROCTR OHR lt Intended Country of Use gt OAT OBE OCY OCZ ODK OEE OFI OFR WDE OGROHU OIE OT OLV OLT OLU OMTONL OPL OPT OSK OSI OES OSE EGBOIS OLI ONOOCH OBG OROOTR OHR lt Intended Country of Use gt OAT OBE LICY OCZ ODK OEE OFI OFR ODE OGRUOHU OIE WII OO OLT OLU OMT ONL OPL OPT OSK OSI OES OSE LIGBOIS OLI ONOLICH OBG LIROLUITR OHR lt Intended Country of Use gt OAT OBE ICY OCZ ODK OEE OFI OFR ODE OGRUOHU OIE OIT OLO OLT OLU OMT UN OPL OPT OSK OSI MES OSE LIGBUIS OLI ONOLCH OBG LIROLUITR OHR lt Intended Country of Use gt OAT OBE LICY OCZ ODK OEE OFI WFR ODE OGRUOHU OIE
25. E Antenna tuner e Matching impedance range HF bands 16 7 to 150 unbalanced Less than VSWR 1 3 50 MHz band 20 to 125 Q unbalanced Less than VSWR 1 2 5 e Minimum operating input 8 W HF bands power 15 W 50MHz band e Tuning accuracy VSWR 1 1 5 or less e Insertion loss after tuning at RF power 100W 1 8 MHz band 1 2 dB or less Bands other than 1 8 MHz 1 0 dB or less All stated specifications are typical and subject to change without notice or obligation 110 Mm 16 options 111 E Options IC PW1 EURO HF 50 MHz ALL BAND 1 kW LINEAR AMPLIFIER Full duty 1 kW linear amplifier including an automatic antenna tuner Has auto matic tuning and band selection capability Full break in QSK operation is pos sible The amplifier oower supply unit and the remote control unit are separated The optional OPC 599 ADAPTER CABLE is required for connection PS 126 DC POWER SUPPLY e Output voltage 13 8 V DC e Max output current 25 A SP 21 EXTERNAL SPEAKER Designed for base station operation e Input impedance 8 Q e Max input power 5 W HM 36 HAND MICROPHONE Du Ut Hand microphone equipped with UP DOWN switches The same as that supplied with the transceiver SP 23 EXTERNAL SPEAKER 4 audio filters headphone jack can connect to 2 transceivers e Input impedance 8 Q e Max input power A W SM 30 DESKTOP MICROPHONE Unidirectional electret microphone for base station op
26. MHz 5 36800 MHz mission in this band meets the stringent conditions 5 37150 MHz 5 37300 MHz under which amateur operations may use these fre 5 40350 MHz 5 40500 MHz quencies A NOTE We recommend that you store these fre To assist you in operating the 5 MHz band within the A quencies mode and filter settings into memory rules specified by the FCC transmission is illegal on Y channels for easy recall any 5 MHz band frequency other than the five fre quencies shown in the table above The FCC specifies center frequencies on the A 5 MHz band However the transceiver displays car A rier frequency Therefore tune the transceiver to A 1 5 kHz below the specified FCC channel center Y frequency 28 29 3 BASIC OPERATION E Frequency setting continued Band edge warning beep You can hear a beep tone when you tune in or out of an amateur band s frequency range A regular beep sounds when you tune into a range and an lower tone error beep sounds when you tune out of a range Also the TX icon appears if the selected frequency is in or out of an amateur band when an option other than OFF is selected 7 e TX is displayed instead of the regular TX icon UD while the operating frequency is out of an amateur band CO Hold down MENU for 1 second to enter the Set mode 2 Push A F 1 or W F 2 to select Band Edge Beep 3 Rotate DIAL to select the desired band edge warn
27. O e Antenna tuner of the IC PW1 EURO When using an external antenna tuner such as that in the IC PW1 EURO tune when the internal tuner is turned OFF After the antenna has been matched turn ON the internal tuner Otherwise both tuners simultaneously tune and proper antenna matching may fail See the instruction manual included with each antenna tuner for their respective operations 84 85 10 set mope E Set mode description The Set mode is used for programming infrequently changed values or functions The Set mode settings Hold down MENU for 1 second to enter the Set mode 2 Push A F 1 or W F 2 to select the desired item 3 Rotate DIAL to select the desired option e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Push MENU to save and exit the Set mode 1 LCD Contrast Default 50 Adjust the LCD contrast to between 0 and 100 in 1 steps 2 LCD Backlight Default 50 Adjust the LCD backlight brightness to between 0 and 100 in 1 steps 4 NOTE Regardless of this setting the LCD backlight UY brightness is maximum 100 at power ON by de Z sign It is not an equipment malfunction Then the Y brightness level automatically returns to the ad Y justed value MAA 3 Beep Level Default 50 Adjust the confirmation and band edge beep tones output level to between 0 and 100 in 1 steps 4 Beep Level Li
28. RECEIVE E IF filter selection The transceiver has 3 passband width IF filters for each mode The filter selection is automatically memorized in each mode The PBT shift frequencies are automatically memo rized in each filter DDO gt IF filter selection 1 Select the desired mode 2 Push FILTER one or more times to select IF filter 1 20r3 e The selected passband width and filter number is dis played on the LCD Filter passband width setting Mode SSB CW RTTY AM 1 Hold down FILTER for 1 second to display the FIL screen Filter to set the filter passband width 2 Select either the SSB CW RTTY or AM mode e Passband widths for the FM mode is fixed and cannot be set 3 Push FILTER one or more times to select IF filter 1 20r3 4 Push BW F 1 then rotate DIAL to adjust the de sired passband width Then push BW F 1 to set it e While holding down BW F 1 rotating DIAL also adjusts the passband width After adjustment release BW F 1 to set it e Hold down F 3 for 1 second to reset to the default set ting if desired 5 Repeat steps to if desired 6 Push MENU to save and exit the FIL screen Mode IF filter Adjustable range steps FILTER 3 0 kHz FILTER2 2 4 kHz ZE FILTERS 1 8 kHz FILTER 1 2 kHz 50 to 500 Hz 50 Hz FILTER2 500 H 500 HZ 500 to 3600 Hz 100 Hz FILTERS 250 Hz FILTER 2 4 kHz 50 to 500 Hz 50 Hz RT
29. RTTY Set mode p 48 RECEIVE AND TRANSMIT 4 Normal Reverse 170Hz 2125Hz 2125Hz 170Hz Space Mark BFO BFO Space Mark 1 4 RTTY SCP 45BPS_ BAUDOT MK SET 2125 7170 ADJ F2 HOLD F3 CLR Appears when the Hold function is turned ON 45BPS BAUDOT MK SFT oe ee ADJ F2 HOLD FS LR Gil 45BPS BAUDOT Mk SFT 21257170 F2 HOLD FS CLR Threshold level display 46 47 4 RECEIVE AND TRANSMIT E RTTY functions continued Twin Peak Filter The Twin Peak Filter changes the receive frequency response by boosting 2125 and 2295 Hz for better copying of RT TY signals OU In the RTTY mode push MENU to display the M1 screen Menu 1 2 Push RTTY F 4 to display the RTTY screen 3 Push TPF F 4 to turn the Twin Peak Filter ON or OFF 4 Push MENU to save and return to the previous display NOTE When the Twin Peak Filter is in use the re ceived audio output may increase This is normal not a malfunction OQ Appears when the Twin Peak Filter is ON RTTY Set mode The RT TY Set mode is used to set the mark and shift frequencies keying type decode USOS function RTTY decoder new line code and the number of de code screen display lines e Setting contents In the RTTY mode push MENU to display the M1 screen Menu 1 2 Push RTTY F 4 to display the RTTY screen 3 Push SET F 5 to enter the RTTY Set mode Push
30. Split function OFF Send read Quick Split function ON Send read FM Split offset frequency HF Send read FM Split offset frequency 50 MHz Send read Split Lock function OFF Send read Split Lock function ON Send read Tuner Auto Start OFF Send read Tuner Auto Start ON Send read PTT Tune OFF Send read PTT Tune ON Send read antenna selection OFF Send read manual antenna selection Send read auto antenna selection Send read voice synthesizer level 0000 0 to 0255 100 Send read English selection for voice syn thesizer speech language Send read Japanese selection for voice synthesizer speech language Send read speech speed slow Send read speech speed fast Send read S meter level announcement OFF Send read S meter level announcement ON Send read operating mode announcement after pushing mode switch OFF Send read operating mode announcement after pushing mode switch ON Send read number of memo pad channels 5 Send read number of memo pad channels 10 Send read auto TS for DIAL OFF Send read auto TS for DIAL Low Send read auto TS for DIAL High Send read Low selection for microphone Up Down speed Send read High selection for microphone Up Down speed Send read Quick RIT ATX clear OFF Send read Quick RIT ATX clear ON Send read Auto Notch selection for SSB Send read Manual Notch selection for SSB Send read Auto Manual Notch selection for SSB Send read Auto Notch selection for AM Send read Manual Notch selectio
31. a blank channel 1 Push VFO MEMO to select the Memory mode 2 Push A or V to select a regular Memory channel to be cleared 3 Hold down M CLR for 1 second to clear the con tents e The programmed contents disappear e BLANK appears e Three beeps sound when the memory clearing is com plete 4 To clear other Memory channels repeat steps 2 and 3 V 4 VFO MEMO M CLR Hold down Appears E Memory contents copying The Memory channel contents frequency operating mode etc can be copied to the VFO The copy can be performed in either the VFO mode or the Memory mode Copying in the VFO mode This is useful for copying programmed contents to a displayed VFO Push VFO MEMO to select the VFO mode 2 Push A or V to select a Memory channel num ber to be copied e BLANK appears if the selected Memory channel is a blank channel In this case nothing can be copied 3 Hold down VFO MEMO for 1 second to copy the Memory channel contents into the VFO e Three beeps sound when the copy is complete Copying in the Memory mode This is useful for copying the Memory channel con tents while operating in the Memory mode 4 Nhen you have changed the displayed frequency operating mode etc in the selected Memory chan nel e Displayed data is copied e Programmed contents in the Memory channel are no
32. a preamplifier is ON e P AMP for preamp 1 P AMP for preamp 2 PANEL DESCRIPTION 1 dae rrO ATTENUATOR ICON p 55 Appears when the Attenuator is ON AGC ICONS p 56 Displays the selected AGC time constant ef for fast AGC M for mid AGC P for slow AGC OFF for AGC OFF DSP FILTER ICONS p 57 Displays the selected IF filter NOISE BLANKER ICON p 60 Appears when the Noise Blanker is ON NOISE REDUCTION ICON p 61 Appears when the Noise Reduction is ON NOTCH ICONS p 61 Mode SSB CW RTTY AM gt MNF appears when the Manual Notch function is ON Mode SSB AM FM ANF appears when the Automatic Notch func tion is ON En MEMORY ICON p 24 Appears when the memory mode is selected D VFO ICONS p 24 Appears when VFO A or VFO B is selected e RIT ATX ICONS pp 53 65 RIT appears when the RIT function is ON ATX appears when the ATX function is ON Shows the frequency shift of the RIT or ATX function h PANEL DESCRIPTION E Function display Push MENU to toggle between M1 Menu 1 and M2 Menu 2 e The set of functions assigned to the function switches changes according to the selected menu and oper ating mode m M1 Menu 1 Mode SSB AGC TBW SCP LSC re ee Feat ess Mode SSB D AGC 1 4 SCP Ft Lee es rs Mode CW AGC 1 4 KEY SCP Lea Cee Ces J Lea
33. as shown above Filter setting can be skipped with command 01 See Memory content setting to 48 for details and 06 In that case FIL1 is automatically selected p 108 with command 01 and the default filter setting of the operating mode is selected with command 06 106 14 CONTROL COMMAND Data content description continued e Memory keyer contents e Split offset frequency setting Command 1A 02 Command 1A 05 0012 0013 ls Jas E Lu Text data Q Channel data 01 M1 03 M3 e S 02 M2 04 M4 X o x gt op O O oO e Character s code E E D Hz E p 22 re D 2 O D 8 0 Character ASCII code Description 5 a N g nN 8 bE oo 90 09 ys ZS g ZS gy 41 5A Alphabetical characters x S o e Alphabetical characters Symbol e SSB transmission bandwidth setting Symbol Command 1A 05 0050 0051 0052 C iow edge Higher edge Inserts contest number c Lower edge Higher edge used for 1 channel only 0 100Hz 0 2500Hz 1 200Hz 1 2700Hz 2 8300Hz 2 2800Hz e CW message contents oe ie Command 17 Up to 30 characters While transmitting in the CW mode or if the Break in i i function is ON the transceiver transmits CW code e RX HPF and LPF settings in each when the PC sends Command 17 operating mode To send CW messages the following character codes Command 1A 05 0045 0053 0058 0063 0064 are used e Character s code Ape upperside HPF lo
34. electric shock A WARNING Immediately turn OFF the trans ceiver power and remove the power cable if it emits an abnormal odor sound or smoke Contact your Icom dealer or distributor for advice A WARNING NEVER put the transceiver in any unstable place Such as on a slanted surface or vibrated place This may cause injury and or damage to the transceiver CAUTION NEVER change the internal settings of the transceiver This may reduce transceiver perfor mance and or damage to the transceiver In particular incorrect settings for transmitter circuits such as output power idling current etc might damage the expensive final devices The transceiver warranty does not cover any prob lems caused by unauthorized internal adjustment CAUTION NEVER block any cooling vents on the top rear sides or bottom of the transceiver CAUTION NEVER expose the transceiver to rain snow or any liquids CAUTION NEVER install the transceiver in a place without adequate ventilation Heat dissipation may be reduced and the transceiver may be damaged DO NOT use harsh solvents such as benzine or alcohol when cleaning as they will damage the trans ceiver surfaces DO NOT push the PTT switch when you don t actu ally desire to transmit DO NOT use or place the transceiver in areas with temperatures below 0 C 32 F or above 50 C 122 F DO NOT place the transceiver in excessively dusty environments or in direct sun
35. hold down TUNER for 1 second to start manual tuning 2 Select 3 80 MHz and hold down TUNER for 1 second to start manual tuning e Automatic tuner start HF bands only lf you want to deactivate the tuner when the VSWR is 1 5 1 or less use the Auto Tuner Start function and turn OFF the tuner This function activates the tuner automatically when the SWR is high and is controlled in the Set mode p 86 e The tuner may not be activated if the TX power output is not stable longer than the specified time period in the SSB or CW mode operation ANTENNA TUNER OPERATION 9 e PTT tuner start Tuning of the internal external antenna tuner starts when PTT is pushed on a new frequency that is more than 1 away from the last tuned frequency This function removes the holding down TUNER operation and starts tuning on the first transmission on a new frequency This function is turned ON in the Set mode p 87 Tuning starts if the internal antenna tuner is ON E Optional external tuner operation e AH 4 HF 50 MHz AUTOMATIC ANTENNA TUNER The optional AH 4 matches the IC 7410 to a long wire antenna more than 7 m 23 ft long 3 5 MHz and above e See page 18 for the transceiver and AH 4 connec tion e See the AH 4 instruction manual for AH A installation and antenna connection details AH 4 setting example For mobile operation Optional AH 2b antenna element eis For outdoor operation s
36. http www arrl org e Typical amateur radio installation Exposure distance assumes that the predominant ra diation pattern is forward and that radiation vertically downwards is at unity gain sidelobe suppression is equal to main lobe gain This is true of almost every gain antenna today Exposed persons are assumed to be beneath the antenna array and have a typical height of 1 8 m The figures assume the worst case emission of a con stant carrier For the bands 10 MHz and higher the following power density limits have been recommended 10 50 MHz 2W sqm Vertical clearance by EIRP output 1Watts 2 1m 10 Watts 2 8m 25 Watts 3 4m 100 Watts 5m 1000 Watts 12 m Forward clearance by EIRP output 100 Watts 2m 1000 Watts 6 5m 10 000 Watts 20m 100 000 Watts 65 m In all cases any possible risk depends on the trans mitter being activated for long periods actual recom mendation limits are specified as an average during 6 minutes Normally the transmitter is not active for long periods of time Some radio licenses will require that a timer circuit automatically cuts off the transmitter after 1 2 minutes etc Similarly some modes of transmission SSB CW AM etc have a lower average output power and the as sessed risk is even lower Versions of the IC 7410 which display the CE symbol on the serial number label comply with the essential requirements of the European Radio and Telecommunica tion Termi
37. loop are parallel to each other INSTALLATION AND CONNECTIONS 2 E Linear amplifier connections Connecting the IC PW1 PW1EURO Remote control cable supplied with the IC PW1 PW1EURO To an 7 pin side antenna ACC1 ACC cable supplied with the IC PW1 PW1EURO a Coaxial cable Supplied with the IC PW1 INPUT pw1EURO Coaxial cable OPC 599 gt gt 2 INPUT2 S ACC REMOTE ANT1 ANT2 EXCITER SS E ils T l SS 00000 OOOCEiikOOOOOO OOG GND IC PW1 EURO AC outlet Ground Non European versions 100 120 200 240 V If necessary purchase sepa European version 230 V rately and connect to INPUT2 Transceiver 20 21 2 INSTALLATION AND CONNECTIONS Linear amplifier connections Continued Connecting a non icom linear amplifier To an antenna 50 Q coaxial cable O RF OUTPUT RF INPUT ALC OF SEND O7 Non lcom linear amplifier Ground A WARNING struction manual QA A Wr external relay must be used ANT1 Transceiver 000 my 00 E cy O J C 6 ooo0oo0o0o0o0o00000 l Ee cue 0000 GE es Sei QO FY ALC i SEND e Set the transceiver output power and linear amplifier ALC output level after referring to the linear amplifier in e The ALC input level must be in the range O V to 3 V The transceiver does not accept a positive
38. mode e When operating above 10 MHz USB is selected first when operating below 10 MHz LSB is selected first e f desired after USB or LSB is selected hold down SSB for 1 second to select the data mode 3 Rotate DIAL to tune a desired signal e The S meter indicates the received signal strength e The tuning step can be changed in the tuning step pro Less gram mode p 27 MIC AF SSB DIAL 4 Rotate the AF control to adjust the audio to a com EI fortable listening level SS E Push PTT on the microphone to transmit or TRANSMIT on the transceiver e The TX indicator lights red 6 Speak into the microphone at your normal voice level e Rotate the MIC control to adjust the microphone gain at this step if necessary T Release PTT to receive or push TRANSMIT again Convenient Receive functions Convenient Transmit functions e Preamp and attenuator p 55 e Speech Compressor p 64 e Twin PBT Passband Tuning p 59 e VOX Voice Operated Transmit p 62 e AGC Auto Gain Control p 56 e Transmit quality monitor p 65 e Noise Blanker p 60 e Transmit filter width selection p 64 e Noise Reduction p 61 e Audio tone control pp 90 91 e Notch filter p 61 e VSC Voice Squelch Control p 76 35 RECEIVE AND TRANSMIT 4 E Operating CW Select the desired band p 25 TRANSMIT TX indicator 2 Push CW
39. not indicate an equipment malfunction e Pushing PBTI CLR displays the filter passband Passband s width and shift value for 2 seconds on the function 7 center frequency display IF center frequency FS Shift value Passband width NCOMaAWWNS PBT OPERATION EXAMPLE Both controls in the center positions or hold down Cutting the lower Cutting both lower and PBT CLR for 1 second passband edge higher passband edges IF center frequency Interference Desired signal Interference Desired signal Interference E Noise Blanker Mode SSB CW RTTY AM The Noise Blanker eliminates pulse type noise such as noise from car ignitions Push NB to turn ON the Noise Blanker function e NB appears 2 Rotate the NB control to adjust the Noise Blanker threshold level 3 Push NB again to turn OFF the function e NB disappears When using the Noise Blanker function received ignals may be distorted if they are excessively trong or when used for noise other than pulses In this case set the Noise Blanker threshold level to a shallow position or turn OFF the function S S RM QAA YY NB Set mode To deal with various types of noise the attenuation level and noise blanking duration can be set in the NB Set mode 1 Hold down NB for 1 second to display the NB screen Noise Blanker 2 Push A F 1 or W F 2 to select the desired item 3 Rotate DIAL to select the desir
40. not heard from the speaker while the band scope is sweeping Displays the signal location and strength in relation to the center displayed frequency Signal strength is Band scope relative to the S meter level S1 to S9 with each vertical dot in the band scope indicator equal to one seg display ment of the S meter Signal activity is measured 30 steps from the center frequency with each step equal to the selected sweep step After a sweep displays the relative position of the reference frequency When the reference frequency is outside of the sweep range P or amp blinks After changing the frequency hold down F 3 for 1 second to automatically return to the center frequency Sweep step Displays the selected sweep step 0 5 1 2 5 10 20 and 25 kHz are selectable Each dot of the band scope display display is approximately equal to the selected sweep step Frequency display mark The band scope measures receive signal location and strength over a specified range on either side of a selected frequency in either the VFO or memory modes 1 Rotate DIAL to select a frequency ANT 2 Push MENU to display the M1 screen Menu 1 KE then push SCP F 5 to display the SCP screen RX Band Scope 3 UE EECH e Automatically starts sweeping with the previously se co 4 lected sweeping step WRJ err ee ere eS e During a sweep received signals cannot be heard a es 3 Push F 5 one or more tim
41. o clock E Turning ON CPU resetting First time to Power ON Reset the transceiver using the following procedure WY Resetting CLEARS all the programmed contents in the memory channels and returns all the pro grammed items in the Set mode to their default set 4 tings GE 1 Make sure the transceivers power is OFF 2 While holding down both F INP ENT and M CLR push POWER to turn ON the transceiver e The CPU is reset e The transceiver displays ALL CLEAR then displayes its initial VFO frequency when resetting is complete 3 Change the Set mode settings to suit your operat ing needs p 85 Normal Power ON Push POWER to turn ON the transceiver Power OFF Hold down POWER for 1 second to turn OFF the transceiver CW Clockwise CCW Counterclockwise POWER M CLR F INP ENT P AMP a AGC FILTER M A E VFO description The IC 7410 has two VFOs A and B that are con venient for quickly selecting two frequencies or split frequency operation You can use either VFO to call up a frequency and operating mode VFO is an abbreviation of Variable Frequency Oscil lator Selecting the VFO A B Push A B to switch between the VFO A and VFO B e VFOA or VFOB appears when the VFO is selected VEO equalization Hold down A B for 1 second to equalize the data in both VFOs e Three beeps s
42. or V to select the de sired Memory channel whose frequency will be the cen ter frequency 7 Push AF F 2 to start or cancel the AF scan e AF SCAN the MHz and kHz decimal points blink while scanning e Rotating DIAL also cancels the scan About the Fine AF scan When a signal is received during Fine AF scan the scanning tuning step is temporarily set to 10 Hz and the scan speed decreases Start a AF scan e Follow steps through as described above 2 While scanning push FIN F 3 to switch the scan function between AF scan and Fine AF scan e F AF SCAN blinks while Fine AF scanning 3 Push AF F 2 to cancel the scan e Rotating DIAL also cancels the scan SCAN Tel A Keypad VFO MEMO MENU AF SPAN DIAL SCAN AF 10k MEM AF SEL SPAN SET SCAN AF 20k MEM AF SEL SPAN SET MEM P AMP AGC FILTER a M a SION AF SCAN 20k AF SEL SPAN SET While AF scanning SONNE AF SCAN 20k M E M AF F AN SPAN SET SeN F 4F SCAN 20k M E M AF FIN SPAN SET While Fine AF scanning ANTENNA TUNER OPERATION 9 E Antenna connection and selection The IC 7410 has 2 antenna connectors for the HF 50 MHz bands ANT1 and ANT2 You can memorize the antenna for each operating band the IC 7410 covers When you change the operating band the previously set antenna connector for that band is automatically selected See bel
43. pads The 5 or 10 most recently programmed frequen cies and operating modes can be recalled starting from the most recent e The memo pad capacity can be extended from 5 to 10 in the Memopad Numbers item in the Set mode p 87 D MEMORY WRITE SWITCH MW p 70 Hold down for 1 second to store VFO data into the selected memory channel e This can be done in both the VFO and memory modes MEMORY CLEAR SWITCH M CLR p 71 In the Memory mode hold down for 1 second to clear the memory channel e The channel becomes a blank channel e This switch is disabled in the VFO mode TUNING STEP SWITCH TS p 27 Push to turn quick tuning step ON or OFF e When the w quick tuning icon is displayed above the kHz digit the frequency is changed in selected quick tuning steps e When the quick tuning is OFF the frequency is changed in 10 Hz steps When the quick tuning is ON hold down for 1 second to display the TS screen Tuning Step to select the quick tuning step e 0 1 1 5 9 10 12 5 20 and 25 kHz steps are inde pendently selectable for each operating mode When the quick tuning is OFF hold down for 1 second to turn the minimum tuning step of 1 Hz ON or OFF E Rear panel PANEL DESCRIPTION 1 OO DC POWER SOCKET DC 13 8V p 19 Connect 13 8 V DC through the supplied DC power cable Rear panel view fe GEES TUNE
44. page for details Split Lock function The Split Lock function is convenient for changing only the transmit frequency When the Split Lock function is not used accidentally releasing XFC while rotating DIAL changes the receive frequency The Split Lock function is OFF by default Set the SPLIT LOCK item to ON in the Set mode p 86 1 While split frequency operation is ON push LOCK to turn ON the Split Lock function s rO appears 2 While holding down XFC rotate DIAL to change the transmit frequency elf you accidentally release XFC while rotating the DIAL the receive frequency does NOT change SPLIT e After holding down SPLIT Appears TBW SCP Shows the equalized transmit VFO B frequency XFC DIAL LOCK E Measuring SWR The IC 7410 has a built in circuit for measuring an tenna SWR no external equipment or special adjust ments are necessary The IC 7410 can measure SWR two ways spot mea surement and plot measurement Spot measurement CO Push TUNER once or twice to turn OFF the an tenna tuner 2 Hold down ANT METER for 1 second once or twice to select the SWR meter 3 Push RTTY to select the RTTY mode 4 Push TRANSMIT on the transceiver or PTT on the microphone to transmit 5 Rotate the RF PWR control clockwise past
45. passband The IC 7410 uses DSP for the PBT function Moving both TWIN PBT controls shift the IF passband cen ter frequency both above and below the received fre quency The LCD graphically shows the passband width and frequency shift Hold down FILTER for 1 second to display the FIL screen Filter Current passband width and fre Passband width and shift Appears when pass quency shift are displayed in the FIL screen value are displayed while band is shifted Hold down PBI CLR for 1 second to set the IF TWIN PBT is used frequency to the center position e The dot disappears e FIL screen Filter display The PBT is adjustable in 50 Hz steps in the SSB CW ee Sage and RI TY modes and 200 Hz in the AM mode In this time the shift value changes in 25 Hz steps in the SSB CW and RTTY modes and 100 Hz in the AM Shows the selected filter and passband width mode e While adjusting the PBT setting SS The TWIN PBT controls should normally be set oe ee ee eg BW SHARP to the center positions when there is no interfer ence The PBT setting should be cleared Appears when the passband is shifted e When the PBT is used the audio tone may change e About Passband width and Shift value e The controls do not function in the FM mode on the screen While rotating the TWIN PBT controls noise may occur This comes from the DSP unit and does
46. the 12 o clock position for more than 30 W of output power 30 6 Read the SWR on the SWR meter 7 Push TRANSMIT or release PTT to receive Y The built in antenna tuner matches the transmitter to A the antenna only when the SWR is less than 3 1 U 2 5 1 in the 50 MHz frequency band ON Plot measurement Plot measurement allows you to measure the SWR over an entire band 1 Push MENU to display the M2 screen Menu 2 then push SWR F 3 e The SWR graph screen appears 2 Rotate the RF PWR control clockwise past the 12 o clock position for more than 30 W of output power 30 3 Set the center frequency for the SWR to be mea sured Hold down F 5 for 1 second one or more times to set the SWR measuring step to 10 50 100 or 500 kHz 5 Push F 3 one or more times to select the number of measuring steps to 3 5 7 9 11 or 13 6 Push F 1 to start the measuring 7 Push TRANSMIT on the transceiver or hold down PTT on the microphone to transmit to measure the SWR e A frequency marker 4 appears below the SWR graph Push TRANSMIT again or release PTT to move the frequency marker and frequency indication to the next frequency to be measured 9 Repeat steps 7 and 8 to measure the SWR over the entire frequency range When the measured SWR is less than 1 5 1 the antenna is well matched with the transceiver in the measured frequency range FUNCTIONS FOR T
47. tuning easier Rotate DIAL to the point where both sides of the dots appear equally While transmitting the meter functions as the trans mit meter selected by pushing ANT METER 44 45 4 RECEIVE AND TRANSMIT E RTTY functions The RTTY menu has a number of convenient functions for RTTY operation Push RTTY to select the RTTY mode e Pushing RTTY alternately selects the RTTY or RTTY DEC RTTY TPF SET reverse mode 2 Push MENU to display the M1 screen Menu 1 3 Push RTTY F 4 to display the RTTY screen 4 Push DEC F 2 TPF F 4 or SET F 5 to select the desired menu See the diagram below e Push MENU to return to the previous display RTTY menu construction e RTTY Decoder screen p 46 45BPS BAUDOT MK SFT 21257170 ADJ HOLD F3 CLR P AMP AGC FILTER a M A 1 4 e Twin Peak Filter setting screen p 47 GI RTTY TPF ON DEF TPF SET e RTTY screen RTTY DEF Les e RTTY Set mode p 48 RTTY Mark Freq 1 A 2125 About the RTTY reverse mode Received characters are occasionally garbled when the Mark and Space signals are reversed This rever sal can be caused by incorrect TNC connections set ting or commands To receive reversed RI TY signals correctly select the RTTY reverse mode e Push RI TY to alternately select the RI TY mode or RI TY reverse mode R
48. 0 1ST IF FILTER 6 kHz is installed oppo l oooO a 6 kHz filter width can be used Or if the FL 431 1ST O O IF FILTER 3 kHz is installed a 3 kHz filter width can be L Cre used EE eet 1 Hold down FILTER for 1 second to display the IMENU FILTER FIL screen Filter 2 Select SSB CW RTTY or AM mode Eet e The passband width for the FM mode is fixed 3 Hold down F 5 for 1 second to select the desired filter width from 15 kHz 6 kHz and 3 kHz e Hold down F 3 for 1 second to reset to the default filter setting if desired The filter passband width setting is also reset to the default setting 4 Push MENU to save and exit the FIL screen AK see 2 4K BE 0 ps n e Ee BW SHARP IF DSP filter shape Mode SSB CW Jee A soft or sharp type of DSP filter shape for both SSB and CW can be independently selected 1 Hold down FILTER for 1 second to display the FIL screen Filter 2 Select the SSB or CW mode 3 Push F 5 once or twice to select either the soft or sharp filter shape 4 Push MENU to save and exit the FIL screen BW iz Ae o SSB 2 at 58 D FUNCTIONS FOR RECEIVE E Twin PBT operation Mode SSB CW RTTY AM Pole ey ne To reject interference PBT Passband Tuning elec Soy tronically narrows the IF passband width by shifting the IF frequency slightly outside of the IF filter
49. 9 x 2 e Usable temperature range 0 C to 50 C 32 F to 122 F e Frequency stability Less than 0 5 ppm 5 min after power ON 0 C to 50 C 32 F to 122 F e Frequency resolution 1 Hz e Power supply 13 8 V DC 15 negative ground e Power consumption unit MHZ 10 100 10 150 18 068 18 168 Transmit Max power 23 0 A Receive Standby 2 2 A Max audio 3 0A e Dimensions projections not included e Weight approx e ACC connector e CI V connector 315 W x 116 H x 343 D mm 12 4 W x 4 57 H x 13 5 D in 10 2 kg 22 4 Ib 13 pin 2 conductor 3 5 d mm em E Transmitter e Output power continuously adjustable SSB CW RTTY FM AM at 13 8 V DC 25 C e Modulation system SSB AM FM e Spurious emission HF bands 50 MHz band e Carrier Suppression e Unwanted sideband suppression e ATX variable range e Microphone connector e ELEC KEY connector e KEY connector e SEND connector e ALC connector 2 to 100 W 2 to 27 W Carrier power Digital PSN modulation Digital Low power modulation Digital Phase modulation Less than 50 dB Less than 63 dB More than 40 dB More than 55 dB 9 999 kHz 8 pin connector 600 Q 3 conductor 6 35 d mm Lou 3 conductor 6 35 d mm on Phono jack RCA Phono jack RCA E Receiver e Receive system e Intermediate frequencies Double superheterodyne system 1st 64 455 MHz 2nd
50. ALL CLEAR then when resetting is complete then displays the initial VFO frequencies e If you operate the transceiver before ALL CLEAR dis appears the resetting will be cancelled 3 If desired edit the Set mode settings after reset ting POWER MAINTENANCE 13 VFO MEMO F INP ENT POWER F INP ENT M CLR 100 WO 14 controt COMMAND E Remote jack CI V information CI V connection example The transceiver can be connected through an optional CT 17 Cl V LEVEL CONVERTER to a PC equipped with an RS 232C port The Icom Communications Interface V CI V controls the transceiver Up to 4 Icom CI V transceivers or receivers can be connected to the PC See page 89 for setting the CI V condition using the Set mode _ O e meee J When the transceiver is connected to a PC witha USB cable purchased separately the optional CT 17 is not required OQ Data format The Cl V system can be operated using the following data formats Data formats differ depending on com mand numbers A data area or sub command is added to some commands Controller to IC 7410 OK message to controller 2 B reo elo saar ess gt 0 a a RS CH pal k
51. AM RX HPF LPF setting Send read AM RX tone Bass level 00 5 to 10 5 Send read AM RX Tone Treble level 00 5 to 10 5 Send read AM TX tone Bass level 00 5 to 10 5 Send read AM TX Tone Treble level O00 5 to 10 5 Send read FM RX HPF LPF setting Send read FM RX tone Bass level O00 5 to 10 5 Send read FM RX Tone Treble level O00 5 to 10 5 Send read FM TX tone Bass level 00 5 to 10 5 Send read FM TX Tone Treble level 00 5 to 10 5 Send read CW RX HPF LPF setting Send read RTTY RX HPF LPF setting Send read Normal selection for contest number style Send read 190 ANO selection for con test number style Send read 190 ANT selection for con test number style Send read 90 NO selection for contest number style Send read 90 NT selection for contest number style Send read M1 selection for count up trig ger channel Send read M2 selection for count up trig ger channel Send read M3 selection for count up trig ger channel Send read M4 selection for count up trig ger channel Send read present number 0001 1 to 9999 9999 Send read CW sidetone gain 0000 0 to 0255 100 Send read CW sidetone gain limit OFF Send read CW sidetone gain limit ON Send read CW keyer repeat time 01 1 sec to 60 60 sec Send read Normal selection for message display Send read Message selection for message display Send read CW keyer dot dash
52. F MOD or DATA MOD The modulation input level from the USB jack can be set in the Set mode item USB MOD Level p 89 PANEL DESCRIPTION 1 ACC socket information e ACC socket acc _ PINNo NAME _ DESCRIPTION SPECIFICATIONS Output voltage NEIEN RER V OMPUI Output current Less than 10 mA Connects to ground pS Sas SI e EES Input voltage High 2 0V to 20 0 V a bin DE E Input voltage Low 0 5 V to 0 8 V Current flo Max 20 mA 3 SEND geg the transceiver transmits Rear panel view i aici eae See Output voltage Low Less than 0 1 V 8 gray a tOw Signa tO Conto an Current flow Max 200 mA white external unit orange Wolack 4 NCP ellow ink 6 ints B ie BAND Band voltage output Output voltage OVto8V blue blue Control volta i l ge 3 V to 0 V purple 43 EE e fac ALC voltage input Input impedance More than 3 3 KQ oz dne o e i S Color refers to CH 13 8 V 13 8 V output when power is ON Output current Less than 1 A ee NO cable High level More than 2 4 V Controls RTTY keying Low level Less than 0 6 V Output current Less than 2 mA Input impedance 10 kQ on MoD sioaulatar Input Input level Approx 100 mV rms AF detector output 4 7 kQ 12 AF Fixed level regardless of the AF a A 400 to 300 mV rms control position l 13 SQLS Squelch output SQL open Less than 0 3 V 5 mA Grounded when squelch opens SQL clos
53. F e ON Default Band edge beep is OFF When you tune into or out of the default amateur band s frequency range a beep sounds When you tune into or out of a user programmed amateur band s fre quency range a beep sounds e ON User amp TX When you tune into or out of a user programmed amateur band s fre quency range a beep sounds In addition transmission ts inhibited outside the programmed range e ON User 7 User Band Edge This User Band Edge item appears only when ON User or User ON amp TX is selected in the Band Edge Beep item p 85 When you select ON User or ON User amp TX in the Band Edge Beep item you can program a total of 30 band edge frequencies in this item See page 30 for programming details 8 Beep Sound Default 1000Hz Set a desired beep frequency for key operation to be tween 500 Hz and 2000 Hz in 10 Hz steps You can set the beep output level in the Beep Level item p 85 9 RF SQL Control Set the RF SQL control function Default RF SQL e AUTO RF SQL functions as only an RF gain control in SSB CW and RTTY a squelch control in AM and FM e SQL RF SQL functions as a squelch con trol eRF SQL_ RF SQL functions as an RF gain con trol as well as a noise squelch or an S meter squelch in FM as an RF gain control as well as an S meter squelch in SSB CW RTTY and AM 10 Meter P
54. Les Mode RTTY AGC 1 4 RTTY SCP ra Cee Les rs Mode AM AGC SCP ra Cree Les rs Mode FM AGC TON SCP EECH a ES Push to select the functions displayed above switches F 1 to F 5 e Functions vary depending on the operating mode Function keys on M1 Menu 1 AGC KEY AGC F 1 p 56 Mode SSB CW RTTY AM FM e Push to select the time constant of the AGC circuit Hold down for 1 second to display the AGC screen 14 TUNING FUNCTION KEY 14 F 3 p 27 Mode SSB D CW RTTY Push to turn the 1 4 Tuning function ON or OFF e WF is displayed when the 1 4 Tuning function is ON TRANSMISSION BANDWIDTH KEY TBW F 4 p 64 Mode SSB Push to display the selected transmission band width Hold down for 1 second to select the transmission bandwidth e Wide WIDE mid MID and narrow NAR bandwidths are selectable MEMORY KEYER MENU KEY KEY F 4 p 38 Mode CW Push to display the KEY screen Memory Keyer or the SEND screen Keyer Send depending on the KEYER 1st Menu setting in the Set mode p 88 RTTY MENU KEY RTTY F 4 p 45 Mode RTTY Push to display the RT TY screen TONE SQUELCH KEY TON F 4 p 50 Mode FM Push to select a tone function between subaudible repeater tone and tone squelch Hold down for 1 second to display the TON screen Tone of the selected tone function BAND SCOPE FUNCTIO
55. N KEY SCP F 5 p 54 Mode SSB CW RTTY AM FM Push to display the SCP screen Band Scope PANEL DESCRIPTION 1 M2 Menu 2 Function keys on M2 Menu 2 SCAN KEY SCAN F 1 p 75 GE MEM ZE EN Push to display the SCAN screen MEMORY NAME KEY MEM F 2 p 73 Mode SSB CW RTTY AM FM Push to display the MEM screen Memory Name Edit SWR GRAPH FUNCTION KEY SWR F 3 p 68 1 Mode SSB CW RTTY AM FM Push to display the SWP screen TONE CONTROL SET MODE KEY TCON F 4 p 90 Mode SSB CW RTTY AM FM Push to enter the Tone Control Set mode VSC FUNCTION KEY VSC F 5 p 76 Mode SSB AM FM Push to turn the VSC function Voice Squelch Control ON or OFF Mie appears when the VSC function is ON 2 INSTALLATION AND CONNECTIONS E Selecting a location Select a location for the transceiver that allows ade quate air circulation free from extreme heat cold or vibrations and away from TV sets TV antenna ele ments radios and other electromagnetic sources The base of the transceiver has adjustable feet for desktop use Set the feet to one of two angles to meet your operating preference E Grounding To prevent electrical shock television interference TVI broadcast interference BCI and other prob lems ground the transceiver using the GROUND ter minal on the rear panel For best results connect the heaviest possible gauge wire or str
56. NSMIT E ATX function The ATX function shifts the transmit frequency up to 9 99 kHz in 10 Hz steps without changing the re ceive frequency The RIT ATX control tunes in 1 Hz steps when the operat ing frequency readout is set to the 1 Hz step option OI Push ATX to turn ON the ATX function e ATX and the frequency shift appear 2 Rotate the RIT ATX control 3 To reset the ATX frequency hold down CLEAR for 1 second e Push CLEAR momentarily to reset the ATX frequency when the Quick RIT Clear item is set to ON in the Set mode p 88 4 To cancel the ATX function push ATX again e ATX and the frequency shift disappear When the RIT and ATX functions are ON at the same time the RIT MTX control shifts both the 4 transmit and receive frequencies from the displayed YW frequency at the same time IMSS kv For your convenience Calculate function The frequency shift of the ATX function can be added to or subtracted from the displayed frequency While displaying the ATX frequency shift hold down ATX for 1 second ATX Monitor function When the ATX function is ON holding down XFC allows you to directly monitor the transmit frequency including the ATX frequency offset E Monitor function The Monitor function allows you to listen to your trans mit IF signals in any mode Use this to check voice characteristics while adjusting transmit parameters pp 90 91 T
57. O mode Push VFO MEMO to select the VFO mode 2 Set the frequency operating mode and other data into both VFO A and VFO B 3 Push A or V to select a Memory channel num ber to be programmed e BLANK appears if the selected Memory channel is a blank channel EXAMPLE 4 Hold down MW for 1 second to program the con Programming 7 088 MHz LSB into the Mem tents into the Memory channel ory channel 12 while in the VFO mode e Three beeps sound when the memory programming is ANT complete To RO Programming in the Memory mode EE a M Push VFO MEMO to select the Memory mode SE ee E SSC 2 Push A or V to select a Memory channel to be programmed e The contents of the Memory channel appear in the dis play EXAMPLE eae oo if the selected Memory channel is a Programming 21 280 MHz USB into Memory PUAA l channel 18 while in the Memory mode 3 Enter the frequency operating mode and other data into the Memory channel ANT i 4 Hold down MW for 1 second to program the con AE tents into the Memory channel ES e Three beeps sound when the memory programming is complete r NOTE If you perform the above operations in a pre programmed channel the previous channel data will be overwritten SE 4 70 71 Z MEMORY OPERATION E Memory clearing Any no longer used regular Memory channel can be cleared and then become
58. OFF the attenuator Received audio is unclear or The operating mode is not matched e Select a suitable operating mode p 31 distorted e The Passband Tuning function is turned ON le Hold down PBT CLR for 1 second to reset p 59 the function e The Noise Blanker function is turned ON when Push NB to turn OFF the function p 60 receiving a strong signal e Preamplifier is turned ON e Push RAMP ATT once or twice to turn OFF p 55 the function e The Noise Reduction function is turned ON e Set the NR control for maximum readability p 61 and the NR control is too far clockwise ANT METER does not func e The Antenna Switch function is set to OFF e Set the Antenna Switch function to Auto or p 87 tion Manual in the Set mode Transmitting is impossible e The operating frequency is outside the se Set the frequency to be within the selected p 26 lected ham band ham band Output power is too low e The RF PWR control is set too far counter e Rotate the RF PWR control clockwise p 34 clockwise e The MIC control is set too far counterclock e Set the MIC control to a suitable position p 34 wise e The antenna for another band is selected e Select an antenna suitable for the operating p 82 frequency e The antenna is not properly tuned e Hold down TUNER for 1 second to manually p 83 tune the antenna No contact can be made with e The RIT or ATX function is turned ON
59. P HES FelatToIi oer LS Io IO ee x LQ OAIO eh DH o OO TI Ou A H En O1lo H ti OD 2 Ein e Hi oe CS Ze Ei E Eis DACS EOD On ONO o e 25 Di ONO Dn 05 Ae Hen oO Die Oe Zen 5 O N Oo Os N O oO WE E Io o NIY TL Io oDINDToo 2580 INIoo Z 520 O O OOOO OO 8 o OOOO O O Wer e fr e fe fe te fe op OE a a a en ee Lower edge Higher edge Edge number setting is not necessary with com mand 02 e Band stacking register Command 1A 01 e Operating frequency Frequency band code Command 00 03 05 06 18 17 900000 18 499999 08 24 24 400000 25 099999 09 28 28 000000 29 999999 50 000000 54 000000 Other than above 14 2 Register code e Operating mode Registered No 1 Hz digit 0 9 gt 1 kHz digit 0 9 gt 100 Hz digit 0 9 gt 10 kHz digit 0 9 gt 10 MHz digit 0 9 1 MHz digit 0 9 gt 1000 MHz digit 0 fixed gt 100 MHz digit 0 fixed gt al O N L Tm Command 01 04 06 D o 02 xx XX CO Operating mode 2 Filter setting 00 LSB 03 CW 07 CW R 01 FIL1 01 USB 04 RTTY 08 RTTY R 02 FIL2 For example when reading the oldest contents in the 21 MHz band the code 0703 is used When sending the contents the codes such as op erating frequency and operating mode should be DAN mn men added after the register code
60. Push AM FM to select the AM or FM mode e f desired after AM or FM is selected hold down AM FM for 1 second to select the data mode 3 Rotate DIAL to tune a desired signal e The S meter displays the received signal strength e The tuning step can be changed in the tuning step pro gram mode p 27 4 Rotate the AF control to adjust the audio to a com fortable listening level Push PTT on the microphone to transmit or TRANSMIT on the transceiver e The TX indicator lights red 6 Speak into the microphone at your normal voice level e Rotate the MIC control to adjust the microphone gain in this step if necessary 7 Release PTT to receive or push TRANSMIT again Convenient Receive functions e Preamp and attenuator p 55 e Twin PBT Passband Tuning p 59 e AGC Auto Gain Control p 56 e Noise Blanker p 60 e Noise Reduction p 61 e Notch filter p 61 e VSC Voice Squelch Control p 76 AM only 49 TRANSMIT TX indicator Band keys e AM mode e Te ee e ele ue de e el w Po SE ED eeseseee e Convenient functions for transmit e Speech Compressor p 64 e VOX Voice Operated Transmit p 62 e Transmit quality monitor p 65 e Audio tone control p 90 E Tone squelch operation The tone squelch opens only when you receive a sig nal containing a matching subaudible tone You can silently wait
61. R CONTROL SOCKET TUNER p 18 Connect the control cable from an optional AH 4 HF 50 MHz AUTOMATIC ANTENNA TUNER GROUND TERMINAL GND p 15 Connect this terminal to a ground to prevent electri cal shocks TVI BCI and other problems ANTENNA CONNECTOR 1 ANT1 p 16 ANTENNA CONNECTOR 2 ANT2 p 16 Connect a 50 Q antenna with a PL 259 plug con nector 4 Nhen using an optional AH 4 HF 50 MHz AUTO MATIC ANTENNA TUNER connect it to the ANT 1 connector Connecting the AH 4 activates the in ternal antenna tuner for ANT2 and deactivates Z it for ANT 1 MMA STRAIGHT KEY JACK KEY p 16 Connect a straight key or external electronic keyer output using a standard 1 4 inch plug e To use the internal electronic keyer for CW operation connect to ELEC KEY on the front panel p 1 ALC INPUT JACK ALC p 21 When transmitting goes to ground to control an ex ternal unit such as a non Icom linear amplifier SEND CONTROL JACK SEND p 21 Connect a ground when transmitting to control an external unit such as a non Icom linear amplifier ACCESSORY SOCKET ACC Connect control lines for external equipment such as a linear amplifier an automatic antenna selector tuner a TNC for data communications etc e See page 10 for socket information CLV REMOTE CONTROL JACK REMOTE p 17 Connect a PC using the optional CT 17 CN LEVEL CONVERTER for external control of the tra
62. RANSMIT AC lunmggnnnnnn SWR 1 1 5 2 ecoccce 3 eegeeeeeeeeeeee CC The best match is in this range P AMP AGC FILTER a M A AGC M2 ZC LX SCAN MEM SWR TCON VSC ra Start measuring Select number of SWR measuring steps Select SWR measuring step e Measuring after pushing F 1 Typical display SWR varying between 1 and 2 full scale up to SWR 4 0 1 A frequency marker appears and moves after measurement When measurement points are set out side of the operable frequency band the frequency marker blinks 6 68 EEE memory OPERATION E General description The transceiver has 101 Memory channels 99 regular While in the memory mode all 101 Memory channels and 2 scan edges The Memory mode is very useful are tunable which means the programmed frequency to quickly change to often used frequencies can be tuned temporarily with DIAL Regular Memory channels with Split frequency capability Program Scan Edge Memory channels with only Simplex capability P1 P2 Stores the scan edge frequencies for the programmed scan Memory channel contents The following information can be programmed into Memory channels NOTE Memory data can be erased by static electricity elec tric transients etc In addition they can be erased by malfunction and during repairs Therefore we recom mend that memory data be backed up e Operating frequency p 26 e Operating mo
63. TON F 4 for 1 second to display the TON screen Tone e Rptr Tone appears on the function display 4 Rotate DIAL to select the desired repeater tone frequency See the table below 5 Push MENU to save and exit the TON screen e Available tone frequencies unit Hz 210 7 254 1 Transmit frequency monitor check You may be able to directly receive the other party s transmitted signal without having to go through a re peater This function helps you to check whether or not the direct communication can be done While receiving hold down XFC to see if you can directly receive the other party s transmitted signal e While holding down XFC the offset direction and fre quency offset are displayed on the function display RECEIVE AND TRANSMIT TON e Jesse eise ee cl et A e FA Po SseeeeD cerreee seeeeeeee ALC Rptr Tone TON SCAN Offset direction and frequency 52 Mm FUNCTIONS FOR RECEIVE E RIT function The RIT Receive Increment Tuning function com RIT CLEAR pensates for off frequency operation of the received station The function shifts the receive frequency up to 9 99 kHz in 10 Hz steps without changing the trans mit frequency The RIT ATX control tunes in 1 Hz steps when the operat ing frequency readout is set to the 1 Hz step r
64. TOR SWITCH P AMPeATT PREAMP SWITCH Operation p 55 Push to select one of two receive RF preamplifiers or to bypass them e P AMP is a wide dynamic range preamplifier It is most effective for the 1 8 to 21 MHz bands e D AMD I is a high gain preamplifier It is most effec tive for the 24 to 50 MHz bands e No indicator appears when the preamplifiers are not se lected VY What is the preamplifier The preamplifier amplifies signals in the front end to improve the S N ratio and sensitivity Select P AMP or P AMPA when receiving weak sig nals ATTENUATOR SWITCH Operation p 55 Hold down for 1 second to turn ON the attenua tor e ATT appears when the attenuator is ON Push to turn OFF the attenuator e ATT disappears VY What is the attenuator The attenuator prevents a desired signal from being distorted when very strong signals are near it or when very strong electromagnetic fields such as from a broadcasting station are near your location VOX BK IN SWITCH VOX BK IN VOX SWITCH Operation p 62 Mode SSB AM FM Push to turn the VOX function ON or OFF Hold down for 1 second to display the VOX screen Push to return to the previous screen display VY What is the VOX function The VOX function voice operated transmission automatically starts transmission when you speak into the microphone then automatically returns to receive when you stop speak
65. TS itvitiees Gester g et aa iii 1 PANEL DESCRIPTION cccsseesesseeeeeseees 1 14 E ErONLDANE WE 1 E Rear pane EE 8 ACC socket information cccccceseeeeeeees 10 We heel 11 Katie ei Re ai E 13 S MIT Menu csc eitececscettereniatn Ee 13 Function keys on M1 Menu 1 13 O MZ EI E 14 Function keys on M2 Menu 21 14 2 INSTALLATION AND CONNECTIONG 15 22 MI Selecting a location 15 E Grounding EE 15 E Antenna Connechon 15 E Required connechons 16 FONDANE eege eege Ee 16 DREA DANG Akiak ete ie uate 16 ME Advanced connections s soeneeneeneennseeneeee 17 Q Front Dane lcci ea 17 Rear panel n nnnnnennnennnnnnnnnneonesnrennrnrennnnne 17 E External keypad connections s sssesseeeneeees 18 E External antenna tuner connection 18 Connecting the AA 18 E Power supply Gonnechons 19 E Connecting to a DC power supphy 19 Connecting to the PS 126 DC POWER OF EE 19 Connecting to a non lcom DC POWER RT E EE 19 E Linear amplifier connections cece eee 20 Connecting the IC PW1 PW1EURO 20 Connecting a non lcom linear ampilifier 21 E Microphone connector information 22 E Microphones sene eo tees 22 O AHNE SO EE 22 SM 50 Option cccecccseeeeseeeeceeeeseeeesaees 22 3 BASIC OPERATION cccccsssseesseesseeseeees 23 34 E Before first applying Dower 23 Turning ON CPU resetting ccces
66. TTY decoder The transceiver has an RTTY decoder for Baudot mark freq 2125 Hz shift freq 170 Hz 45 bps An external terminal unit TU or terminal node con nector TNC is not necessary for receiving a Baudot signal OU In the RTTY mode push MENU to display the M1 screen Menu 1 2 Push RTTY F 4 to display the RTTY screen 3 Push F 2 DEC to turn ON the RTTY decoder e RT TY decoder screen appears Push F 2 to turn ON the Hold function to hold the Current screen e D appears when this function is turned ON e Push F 2 again to turn OFF the Hold function 5 Hold down F 3 for 1 second to clear the displayed characters if desired e D disappears at the same time as the displayed char acters are cleared The hold function is cancelled 6 Push MENU to return to the previous display e Setting the decoder threshold level lf some characters are displayed when no signal is re ceived adjust the RT TY decoder threshold level Select the RTTY decoder screen as described above 2 Push F 1 ADJ to select the threshold level adjust ment mode 3 Rotate DIAL to adjust the RTTY decoder threshold level e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Push MENU to save and return to the previous display 4 The number of the decoder display lines the Un Z Shift On Space USOS function and new line code 7 can be set in the
67. TY FILTER2 500 H ene 600 to 2700 Hz 100 Hz FILTERS 250 Hz 50 to 500 Hz 50 Hz 600 to 3600 Hz 100 Hz FILTER 9 0 kHz aio FILTER Weed 0 kHz 200 Hz to 10 kHz 200 Hz FILTERS 3 0 FILTERS 3 0 kHz FILTER1 15 kHz oun FILTER 10 kHz FILTER2 Ree kHz Fixed FILTERS 7 0 kHz 7 0 kHz When FILTER2 or FILTERS is selected in the FM mode the TX modulation changes to the narrow mode 2 5 kHz OO oC oO BW F 3 FILTER DIAL Filter selection The selected filter width is displayed when FILTER is pushed e FIL screen display Baim 2 4k B O SSB 2 2 4K BW fy SHARP Shows the selected filter and passband width e While adjusting the passband width Blinks Appears Gear 2 4K o SSB 2 gt 2 4K BW S SHARP Lesa Reverses Push BW F 1 then rotate DIAL to adjust the passband width Then push BW F 1 The PBT shift frequencies are cleared when the passband width is changed This FIL screen Filter graphically displays the 4 PBT shift frequencies and passband width MY AAS FUNCTIONS FOR RECEIVE 0 1st IF filter selection Mode SSB CW RTTY AM The IC 7410 has a 15 kHz filter passband width at the F 3 F 5 1st IF frequency The 1st IF filters reduce interference from strong nearby signals SSS O If the optional FL 43
68. The control tunes in 1 Hz steps when the operating fre quency readout is set to the 1 Hz step readout Shift high Shift low 1 PANEL DESCRIPTION E Front panel continued LITTON HF 50MHz TRANSCEIVER IC 7410 S TWIN PBT T EFE A POWER S Se O c ICOM e e iy Se TRANSMIT iY 2 eu e A H d e WEY ee TUNER A f wgsl C C MIC RF PWR PHONES se D i D di elle die 0 ga Vi VW Kl ELEC KEY d f ai IS QAALS GENE J omen up w jH ay PBT CLR NOTCH NOTCH Sr CW PITCH GIS ai D QA a G AF RF SQL ZAN d E N A Ce Ge Ge Cl Ce RIT ATX en Coe Cow Cee four aren o o OFF N KEY SPEED BK INDELAY COMP MONI GAIN A O O Cm wm Gei e Po MEMO PAD WRITE SWITCH MP W p 74 Push to write the displayed data into a memo pad e The five most recent entries remain in the memo pads e The memo pad capacity can be extended from 5 to 10 in the Memopad Numbers item in the Set mode p 87 VFO MEMORY SWITCH VFO MEMO Push to switch between the VFO and Memory modes p 24 Hold down for 1 second to transfer the memory contents to the displayed VFO p 72 MEMO PAD READ SWITCH MP R p 74 Push to sequentially call up the contents from the memo
69. a preset point for each frequency range 100 kHz steps after the tuner matches an antenna e CLR ANT1 The preset memory of ANT1 s antenna is cleared e CLR ANT2 The preset memory of ANT2 s antenna is cleared 19 ANT Switch Set the antenna switch function to Auto Manual or OFF When you change the operating frequency this func tion will automatically select the correct antenna or you must do it manually Default Auto e OFF ANTeMETER does not function The ANT1 connector is always selected e Manual You must manually change the antenna by pushing ANTeMETER The antenna memorized by the band mem ory is automatically selected You can also manually change the antenna by pushing ANT METER e Auto 20 SPEECH Level Default 50 Adjust the speech audio output level to between 0 no output and 100 maximum output 21 SPEECH Language Default English Select English or Japanese as the speech language 22 SPEECH Speed Default HIGH Select HIGH faster or LOW slower speech speed 23 SPEECH S Level Default ON The signal level announcement with the voice synthe sizer can be turned ON or OFF e OFF The signal level is not announced Operating frequency is announced s ON The signal level and the operating frequency are announced 24 SPEECH MODE SW Default OFF Turn the Operating Mode Speech function ON or OFF When this function is ON the selected op
70. able as shown at left Tin the je center conductor 1 2 mm solder solder Slide the connector body on and solder it Screw the coupling ring onto the connec tor body SCT bal 30 mm 1 18 in 10 mm 0 39 in 1 2 mm 0 04 0 08 in INSTALLATION AND CONNECTIONS 2 E Required connections Front panel ELEC KEY CG Go Go Ga Ga MENU SSB cw I RTTY AM FM FILTER A straight key can be con nected However Straight key must be selected in the Keyer Type item of the Keyer Set mode p 43 option Rear panel DC POWER SUPPLY p 19 PS 126 HF 50MHz ANTENNA 1 2 p 15 Q C gt 0000 Connection example ANT 1 for 1 8 18 MHz bands antenna OOOOOO0O0OOOOO ANT 2 for 21 28 MHz bands antenna A a OO eue GROUND p 15 Use the heaviest possible gauge wire or strap and make the connection as short as possible Grounding prevents elec trical shocks TVI and other problems 16 17 2 INSTALLATION AND CONNECTIONS E Advanced connections Front panel lime Ga H EA D P H O N ES wy C La D wey Oe Ga See
71. amage to an Icom transceiver in the event the Icom trans ceiver is used with equipment that is not manufac tured or approved by Icom OPTIONS 16 112 113 1 7 ce INSTALLATION NOTES For amateur base station installations it is recom mended that the forward clearance in front of the an tenna array is calculated relative to the EIRP Effective Isotropic Radiated Power The clearance height below the antenna array can be determined in most cases from the RF power at the antenna input terminals As different exposure limits have been recommended for different frequencies a relative table shows a guideline for installation considerations Below 30 MHz the recommended limits are specified in terms of V m or A m fields as they are likely to fall within the near field region Similarly the antennas may be physically short in terms of electrical length and that the installation will require some antenna matching device which can create local high inten sity magnetic fields Analysis of such MF installations is best considered in association with published guid ance notes such as the FCC OET Bulletin 65 Edition 97 01 and its annexes relative to amateur transmitter installations The EC recommended limits are almost identical to the FCC specified uncontrolled limits and tables exist that show pre calculated safe distances for different antenna types for different frequency bands Further information can be found at
72. anned e Rptr Tone for a repeater tone and TSQL Tone for tone squelch can be selected 4 Push SCAN F 2 to start the Tone scan e Rptr Tone SCAN or TSQL Tone SCAN blinks de pending on the type you selected 5 When a matched tone is found the scan pauses and the sub audible tone frequency is automatically programmed e Hold down F 3 for 1 second to reset to the default set ting if desired 6 Push SCAN F 2 to cancel the Tone scan ZY When the tone scan is used in the Memory channel Y mode the detected tone frequency can be used Z temporarily A To save the detected tone frequency setting you Z must over write the Memory channel data p 70 E Repeater operation A repeater receives transmitted signals and re trans mits them on a different frequency When using a re peater the transmit frequency is shifted from the re ceive frequency by a frequency offset A repeater can be accessed using the split frequency operation to set the frequency shift to the same value as the repeater s frequency offset 1 First set the frequency offset for the HF and 50 MHz bands in the FM SPLIT Offset HF and FM SPLIT Offset 50M items and set the Quick SPLIT item to ON in the Set mode p 86 2 Push VFO MEMO to select the VFO mode 3 Select the desired band p 25 4 Push AM FM to select the FM mode 5 Rotate DIAL to set the receive frequency repeater ou
73. ap to a long ground rod Make the distance between the GND terminal and ground as short as possible GA WARNING NEVER connect the GND ter UY A minal to a gas or electric pipe since the connection f could cause an explosion or electric shock ON C 0000 ooo0oo0oo0o0o000000 QO E Antenna connection For radio communications the antenna is of criti cal importance along with output power and receiver sensitivity Select a well matched 50 Q antenna and coaxial cable feedline We recommend 1 5 1 or bet ter of Voltage Standing Wave Ratio VSWR on your operating bands The transmission line should be a coaxial cable When using a single antenna use the ANT1 con nector E Protect your transceiver from lightning 4 by using a lightning arrestor Antenna SWR Each antenna is tuned for a specified frequency range and the SWR usually increases outside the range When the SWR is higher than approx 2 0 1 the transceiver automatically reduces the TX power to protect the final transistors In that case an antenna tuner is useful to match the transceiver and antenna Low SWR allows full power for transmit ting The IC 7410 has an SWR meter to continuously monitor the antenna SWR PL 259 CONNECTOR INSTALLATION EXAMPLE 30 mm Li Slide the coupling ring down Strip the cable lt gt jacket and tin the shield Coupling ring 10mm tin here pai tin Strip the c
74. ating mode then set the transmit audio treble level to between 5 and 5 Default 0 7 TBW WIDE L Mode SSB Set the lower cut off frequency of the transmission passband width for your wide setting to 100 200 300 or 500 Hz Default 100 8 TBW WIDE H Mode SSB Set the higher cut off frequency of the transmission passband width for your wide setting to 2500 2700 2800 or 2900 Hz Default 2900 When the receive audio high pass or low pass filter is active RX Bass and RX Treble items will be reset to e When the receive audio bass or receive audio treble level is set RX HPF LPF items 1 and 2 will be turned 90 91 10 SETMODE E Tone Control Set mode description Continued 9 TBW MID L Default 300 Mode SSB Set the lower cut off frequency of the transmission passband width for your mid setting to 100 200 300 or 500 Hz 10 TBW MID H Default 2700 Mode SSB Set the higher cut off frequency of the transmission passband width for your mid setting to 2500 2700 2800 or 2900 Hz 11 TBW NAR L Default 500 Mode SSB Set the lower cut off frequency of the transmission passband width for your narrow setting to 100 200 300 or 500 Hz 12 TBW NAR H Default 2500 Mode SSB Set the higher cut off frequency of the transmission passband width for your narrow setting to 2500 2700 2800 or 2900 Hz DATA COMMUNICATION 11 EE E Connections
75. ay be adjusted to suit your preference The tension adjustment is located on the bottom side of the front panel See the figure to the right Slide the tension adjustment to a comfortable level while turning the dial continuously and evenly in one direction Tuning tension adjustment MAINTENANCE 13 E Frequency calibration approximate A very accurate frequency counter is required to cali AF RF SQL 4 Y PBT CLR brate the frequency of the transceiver However a E I I I rough check may be performed by receiving radio sta J O tion WWV WWVH or other standard frequency sig O nals S Y CAUTION The IC 7410 has been thoroughly ad A justed and tested at the factory before being shipped You should not have to re calibrate it MENU SSB P AMP ATT DIAL RIT ATX 1 Push SSB once or twice to select the USB mode 2 Push PBT CLR for 1 second to clear the PBT set tings and make sure that the RIT A4TX function is e Calibration marker item turned OFF ee LLL LO 3 Set the frequency to the standard frequency station are SE SE Ge FF minus 1 kHz e When receiving WWV or WWVH at 15 000 00 MHz as a standard frequency set the operating frequency for e REF Adjust item 14 999 00 MHz e Other standard frequencies can also be used Sigg REF Adjust 4 Hold down MENU for 1 second to enter the Set BS el td SE mode 5 Pu
76. ction is ON re is displayed UY and DIAL does not function GY n this case push LOCK to turn OFF the Dial Lock 7 function p 61 MAA Direct frequency entry with the keypad The transceiver has a keypad for direct frequency entry as described below Push F INP ENT to enter frequencies with the keypad e All frequency digits disappear 2 Push the numeric keys to input the desired fre quency e Push GENE el to input a decimal point between the MHz digits and kHz digits 3 Push F INP ENT to set the input frequency e To cancel the input push any key such as MW or M CLR before pushing F INP ENT BASIC OPERATION 3 Band keys DIAL EXAMPLE 14 025 MHz 18 0725 MHz 706 kHz 5 100 MHz 7 000 MHz 21 280 MHz 21 245 MHz 26 27 3 BASIC OPERATION E Frequency setting continued Quick Tuning function The operating frequency can be changed in kHz steps for quick tuning You can set a tuning step in each operating mode 1 Push TS to turn ON the Quick Tuning function e Y appears above the 1 kHz digit 2 Hold down TS for 1 second to display the TS screen Tuning Step 3 Select a desired operating mode 4 Rotate DIAL to select a tuning step e 0 1 1 5 9 10 12 5 20 and 25 kHz are selectable e Hold
77. ction key for 1 second repeatedly sends the contents push any function key to cancel the transmission e The contest serial number counter advances each time the contents are sent e Push 1 F 5 to reduce the contest serial number ad vances by 1 before sending the memory keyer contents to a station a second time e Set the memory keyer repeat interval to between 1 and 60 seconds 1 second steps in the Keyer Repeat Time item of the Keyer Set mode p 42 6 Push MENU and return to the KEY screen 7 Push MENU again to return to the M1 screen For your information When an external keypad is connected to pin 3 and pin 7 of the MIC connector the contents of M1 to M4 can be transmitted without selecting the keyer send menu See page 92 for details MMMAAQA A e M1 sending display Sana CQ TEST CQ TE OO M 2 4 M3 M4 1 Fa e M2 sending display Counter SEND Sam UR 5NNOO SUNS Be ea BK M 1 ZE M3 M4 SS Count up trigger icon e M3 sending display SSN CFM TU OO M 1 M 24 M4 1 e M4 sending display SSNs QRZ OO M 1 M 2 a M3 1 e While transmitting repeatedly SSN CQ TEST CQ TE 001 M24 M3 M4 s C Aa 3 and Hi 3 appear Editing a memory keyer The contents of the memory keyer memories can be set using the memory keyer edit menu The memory keyer can memorize and re transmit 4 CW key codes for often used CW sentences contest serial numbers or acount up
78. de p 31 e IF filter number p 57 e Split data p 66 e Memory name p 73 e Repeater tone encoder p 51 or tone squelch ON OFF p 50 e Repeater tone frequency p 52 or tone squelch fre quency p 50 E Memory channel selection Y A VFO MEMO Selection in the VFO mode Push VFO MEMO to select the VFO mode 2 Push A or V to select a Memory channel num ber e All Memory channels including blank channels can be selected e BLANK appears when no information has been pro grammed into the Memory channel Blank channel Appears if the selected Memory 3 Push VFO MEMO to select the Memory mode channel has no information e MEMO and contents of the Memory channel appear Selection in the Memory mode 1 Push VFO MEMO to select the Memory mode 2 Push A or V to select a Memory channel e All Memory channels including blank channels can be selected e BLANK appears when no information has been pro grammed into the Memory channel Blank channel e Memory channels can also be selected using the micro phone UP DN keys In such case the blank channels are skipped ALC While in the Memory mode 69 MEMORY OPERATION E Memory channel programming Memory channels can be programmed in either the Y 4 VFO MEMO MW VFO mode or the Memory mode Programming in the VF
79. display the KEY screen Mem ory Keyer 3 Push SET F 5 to enter the Keyer Set mode 4 Push A F 1 or W F 2 to select the desired item 5 Rotate DIAL to select the desired option e Hold down F 3 for 1 second to reset to the default set ting if desired 6 Push MENU to save and return to the KEY screen 7 Push MENU again to return to the M1 screen 1 Side Tone Level Default 50 Select the CW sidetone output level e O to 100 in 1 steps can be selected 2 Side Tone L Limit Default ON Set the CW sidetone level limit When the AF con trol is rotated above a specified level the CW sidetone does not increase e ON CW sidetone level is limited e OFF CW sidetone level is not limited 3 Keyer Repeat Time Default 2s When sending CW using the repeat timer this item sets the time between transmission e 1 to 60 seconds in 1 second steps can be selected 4 Message Display Default Normal When you are in the SEND screen Keyer Send channel numbers are displayed above the function keys However you can display the first three charac ters of the keyer memory instead of the channel num ber Select whether to display the channel number or the first three characters of the keyer e Normal Displays the channel number e Message Displays the first three characters of the keyer memory RECEIVE AND TRANSMIT 4 P AMP AGC FILTER a M A Side T
80. down F 3 for 1 second to reset to the default set ting if desired Repeat steps and to select quick tuning steps for other modes 6 Push TS to exit the TS screen 4 NOTE e To turn OFF the Quick Tuning function push TS again e When the Quick Tuning function is OFF the fre quency will be changed in 10 Hz steps e To display the TS screen the Quick Tuning func ion must be turned ON first MMM AA AN Selecting 1 Hz step You can change the frequency in 1 Hz steps for fine tuning If the Quick Tuning function is ON push TS to turn OFF 2 Hold down TS for 1 second to turn the 1 Hz tuning step ON or OFF OTE e When RIT and or ATX are used they also tune in 1 Hz tuning steps e The frequency changes in 50 Hz steps when the UP DN switches of the microphone are used for frequency tuning if the Quick Tuning function is OFF RM MMQQQQQ AMD 14 Tuning Step function Mode SSB D CW RTTY The dial speed is reduced to 1 4 of the normal speed when the Tuning Step function is ON for finer tun ing control 1 Push MENU to display the M1 screen Menu 1 2 Push 1 4 F 3 to turn the Lo Tuning Step function ON or OFF e NET appears when the 14 Tuning Step function is ON F 3 TS Mode selection DIAL Appears P AMP AGC a M DIAL
81. down YES F 4 to clear all Select Memory channel settings scans 8 SAAN MEMO SCAN MEM AF SEL gt SPAN SET f y SeN SEL MEMO SCAN M E M AF SEL SPANS SET While Select Memory scanning Appears AF 10OkK SEL SPAN SET SCAN screen MEM 14 19500 USB EDT SEL MEM screen Memory Menu 80 81 8 SCANS E AF scan and Fine AF scan AF Delta Frequency scan searches for signals within the specified range with the displayed VFO frequency or Memory channel frequency as the center frequency The frequency range is specified by the width of the selected span CO Push VFO MEMO once or twice to select the VFO mode or Memory mode 2 Push MENU one or more times to display the M2 screen Menu 2 3 Push SCAN F 1 to display the SCAN screen 4 Rotate the RF SQL control to set the squelch to open or closed e The scan performance differs depending on the squelch setting when the scan was started See page 76 for de tails e f the RF SQL control function is set to AUTO the squelch is always open in the SSB CW and RTTY modes pp 2 32 86 Push SPAN F 4 one or more times to select the desired AF span width e 5 kHz 10 kHz 20 kHz 50 kHz 100 kHz 500 kHz and 1 MHz are selectable 6 Set the center frequency of the AF scan e In the VFO mode push the keypad or rotate DIAL to set the center frequency e In the memory mode push A
82. down for 1 second to display the FIL screen Filter to set the filter passband width Hold down for 1 second again to return to the previous screen display TUNING DIAL DIAL p 26 Rotate to change the operating frequency select the Set mode settings etc amp LOCK SWITCH LOCK p 61 Push to turn the Dial Lock function ON or OFF e This function electronically locks DIAL e rO appears when this function is ON 1 PANEL DESCRIPTION E Front panel continued POWER E EI ICOM 0 m E m O A m lt PBT CLR NOTCH E A NOTCH gt CW PITCH D hig iik z Ne M NY el DP S Ka Why LU XQ Y X O gt OF D D D D FIIN X O ae WE a CE ee E mm ss Cow Pmj awmu oe a KEY SPEED BK IN DELAY COMP MONI GAIN A O O O O Paea hescl comp Monrror E TRANSMIT FREQUENCY CHECK SWITCH XFC During split frequency or repeater operation hold down to listen to the transmit frequency pp 52 56 e While holding down this switch the transmit fre quency can be changed with DIAL keypad or memo pad e When the Split Lock function is turned ON push XFC to cancel the Dial Lock function p 67 w When the RIT f
83. e modulation input during DATA mode op eration Send read USB selection for the modula tion input during DATA mode operation Send read Cl V transceive OFF Send read CI V transceive ON Send read Cl V selection for USB COM port function Send read RTTY selection for USB COM port function Send read 300 bps selection for RTTY De code Baud rate Send read 1200 bps selection for RTTY Decode Baud rate Send read 4800 bps selection for RTTY Decode Baud rate Send read 9600 bps selection for RTTY Decode Baud rate Send read 19200 bps selection for RTTY Decode Baud rate Send read Calibration marker OFF Send read Calibration marker ON Send read reference frequency O000 0 to 0255 100 0045 see p 107 Send read SSB RX HPF LPF setting 0046 00 to 10 Send read SSB RX Tone Bass level 00 5 to 10 5 0047 00 to 10 Send read SSB RX Tone Treble level 00 5 to 10 5 ae 0032 0044 0000 to oe 00 to 10 see p 107 see p 107 see p 107 see p 107 00 to 10 00 to 10 00 to 10 00 to 10 see p 107 00 to 10 00 to 10 00 to 10 00 to 10 see p 107 see p 107 00 01 02 03 04 01 02 03 04 0001 to 9999 0000 to 0255 00 01 01 to 60 00 01 28 to 45 00 01 02 03 00 5 to 10 5 Send read SSB TX Tone Treble level O00 5 to 10 5 Send read SSB TX bandwidth for WIDE Send read SSB TX bandwidth for MID Send read SSB TX bandwidth for NAR ROW Send read
84. e oS 25 Oo 9 os Te To w ga 88 ES SES 8 oe e a Q x e 28 cf BS Sos ox 2x 253 28 e Dex ES 88 Ge DE 3E ISE LE E Gs gg ce To Ox fe ae E e CoO ab Po Ei ox Oo o YO c5 c35 00g O 0 0 o 50 YO cs es 50 O 5E O O O ag 6 Eo o g Q a2 SC GCS OW ei CO ED Os EC Oc 903g TO OS Ecke Os TO O E 6 Zr EC o T Oo Og T co OQ 0 CD D LL E LI Oo 59 O5 o SE 3 2 Ho rele efes pesee pefe e a Teo ge to controller NG message to controller 101 Command table 3 Data Description see p 106 see p 106 Send operating frequency S see p 106 Send operating mode Select VFO mode O CH o lojojoj o 3 N Olai Equalize VFO A and VFO B Exchange VFO A and VFO B 0001 to Select memory channel 0001 M CH01 to 0099 M CH99 0100 P1 0101 P2 Memory write Memory copy to VFO Memory clear o Scan stop Programmed memory scan start Programmed scan start AF scan start Fine programmed scan start Fine AF scan start Memory scan start Select memory scan start Set AF scan span 5 kHz Set AF scan span 10 kHz Set AF scan span 20 kHz Set AF scan span 50 kHz Set AF scan span 100 kHz Set AF scan span 500 kHz Set AF scan span 1 MHz Set as non select channel Set as select channel Set scan resume OFF Set scan resume ON Read Split function OO OFF 01 ON Set the Split function OFF Set the Split function ON Send read the tuning step 10 Hz 1 Hz Send
85. e Push RIT or ATX to turn OFF the function pp 53 65 another station e The Split function is turned ON e Push SPLIT to turn OFF the function p 66 Transmit signal is unclear or The MIC control is set too far clockwise e Set the MIC control to a suitable position distorted Repeater cannot be accessed The Split function is not turned ON e Push SPLIT to turn ON the function p 66 e The programmed subaudible tone frequency le Reset the frequency using the Set mode is wrong p 52 96 97 13 MAINTENANCE E Troubleshooting continued Scanning PROBLEM POSSIBLE CAUSE SOLUTION REF A programmed scan does not Squelch is open e Set the RF SQL control to the threshold p 32 stop point A programmed scan does not The same frequencies are programmed into the Program different frequencies into the Scan p 70 start Scan Edge Memory channels P1 and P2 Edge Memory channels P1 and P2 programmed not start designated as select channels select channels for the scan programmed Display PROBLEM POSSIBLE CAUSE SOLUTION REF The displayed frequency does The Dial Lock function is turned ON e Push LOCK to turn OFF the function not change properly e The Set mode screen is selected e Push MENU to exit the Set Mode e The internal CPU has malfunctioned e Reset the CPU E Dial tuning tension adjustment The tuning tension of DIAL m
86. e used e Manual Only the Manual notch filter can be used e Auto Manual Both the Auto and Manual notch filters can be used 30 NOTCH SW AM Default Auto Manual Select the Auto Manual or Auto Manual notch filter used for AM mode operation e Auto Only the Auto notch filter can be used e Manual Only the Manual notch filter can be used e Auto Manual Both the Auto and Manual notch filters can be used 31 MN Q Popup MN ON Default ON Turn the manual notch filter width display ON or OFF When this item set to ON and the manual notch filter is selected with NOTCH the manual notch filter width appears on the function display 32 BW Popup PBT Default ON Turn the IF filter passband width and shift value dis play ON or OFF When this item set to ON and the TWIN PBT control is rotated the passband width and shifting value ap pear on the function display SETMODE 10 33 BW Popup FIL Default ON Turn the IF filter passband width and shift value dis play ON or OFF When this item set to ON and FILTER is pushed the passband width and shifting value appear on the function display 34 SSB CW Sync Tuning Default OFF Turn the Displayed Frequency Shift function ON or OFF When this function is turned ON the audio pitch or tones of the received signal will remain the same even when the operating mode is changed between SSB and CW The amount of frequency shift may differ de
87. eadout Push RIT to turn ON the RIT function e RIT and the frequency shift appear when this function is ON 2 Rotate the RIT ATX control e Hold down CLEAR for 1 second to reset the RIT fre quency e Push CLEAR momentarily to reset the RIT frequency when the Quick RIT Clear item is set to ON in the Set E mode p 88 PS ie ae GH e Hold down RIT for 1 second to add the frequency shift BEE oo P AMP AGC a M to the operating frequency if desired 3 To cancel the RIT function push RIT again e RIT and the frequency shift disappear RIT Monitor function When the RIT function is ON holding down XFC al lows you to listen to the displayed frequency RIT is temporarily cancelled 53 FUNCTIONS FOR RECEIVE W Simple band scope Blinks when the reference frequency is outside of the sweep range The Band Scope function allows you to visually check the location and strength of signals around a specified frequency jek E i i oie z The IC 7410 s Band Scope function can be used in es be any operating mode and any frequency band Sweep icon Band scope display Frequency display mark Sweep step display INDICATOR DESCRIPTION Sweep icon While the band scope is sweeping gt is displayed while stopped gt m is displayed Received audio is
88. eak Hold Default ON Turn the Meter Peak Hold function ON or OFF When this function is set to ON the peak level of a re ceived signal strength or the output power is displayed for approximately 0 5 seconds 11 TOT CI V Default OFF To prevent a prolonged transmission the transceiver has a Time Out Timer function lf a continuous transmission exceeds the set period the transmission will be cut off Set the time period to 3 5 10 20 or 30 minutes or turn OFF the function Uj NOTE This function will be activated only when you transmit using CI V commands or pushing TRANS 7 MIT on the transceiver MOA SETMODE 10 12 Quick SPLIT Default ON Turn the Quick Split function ON or OFF When this item is set to ON hold down SPLIT for 1 second to shift the transmit frequency from the receive frequency according to the FM SPLIT Offset HF or FM SPLIT Offset 50 setting as described below See page 67 for details 13 FM SPLIT Offset HF Default 0 100MHz Set the offset to use the Quick Split function in the HF bands The difference between transmit and receive frequencies The frequency offset can be set to between 9 999 MHz and 9 999 MHz in 1 kHz steps 14 FM SPLIT Offset 50 Default 0 500MHz Set the offset to use the Quick Split function in the 50 MHz bands The difference between transmit and receive frequencies The frequency offset can be set to between 9 999 MHz and
89. ed More than 6 0 V 100 LA When the SEND terminal controls an inductive load such as a relay a counter electromotive force can cause the transceiver s malfunction or damage To prevent this we recommend adding a switching diode such as an 188133 on the load side of the circuit to the counter electromotive force absorption When the diode is added a switching delay of the relay may occur Be sure to check its switching action before operation Example Switching diode ACC To a non lcom socket Ble eet linear amplifier San 13 8 V ma Not ag whe FSKK AF GND SQLS as 3 SEND D 13 8 V 3 SEND D 13 8 V GO MOD ALC PANEL DESCRIPTION E LCD display 08 88889 RX WE LI EIER OO ECH 9 t e _lecedeecdece eeeI eet 20 eet 40 60 Po A RER ee 50 1009 COMP IAN N A AN A A A N eg Rp RER RER Ke oc onc anz ss ies CO eG a Be eeoe2eeeeeee8 I Use a ee e i Se i ae ie de i ae ULY ea um a e ALChnnnnutlensnsnnnsnnem se D D es POWER DOWN TRANSMISSION ICON p 98 Appears when the output power is decreased by the Reduced Power Transmission function TX ICON Indicates the transmit frequency is displayed TX appears while the operating frequency is in an amateur band TX appears while the operating frequency is not in an amateur band However when the Band Edge Beep item is set to OFF in the Set
90. ed option e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Push NB to save and return to the previous screen 1 NB Depth Default 8 Set the noise attenuation level to between 1 and 10 2 NB Width Default 50 Set the blanking duration to between 1 and 100 E Meter Peak Hold function When the Meter Peak Hold item is set to ON in the Set mode the peak level of a received signal strength or the output power is displayed for approximately 0 5 seconds p 86 FUNCTIONS FOR RECEIVE 0 NB control NB P AMP AGC FILTER NB a M A TBW SCP Appears Select the item Reset to the default setting Appears for 0 5 seconds ANT w RY S e a TTT A P 20 40 60 Pa OU Sores Di eesesee 50 seeeeeee 100 ALC Meter Peak Hold a 10 VY 60 61 D FUNCTIONS FOR RECEIVE E Noise Reduction The Noise Reduction function reduces random noise components and enhances audio signals which are buried in noise The received signals are converted to digital signals and then the audio signals are sepa rated from the noise OI Push NR to turn ON the Noise Reduction function e NR appears 2 Rotate the NR control to adjust the noise reduc tion level 3 Push NR again to turn OFF the function e NR disappears N Y A large rotation of the NR control results in audio signal mas
91. eeeeeeee sees 62 Adjusting the VOX funchon 62 E Break in function cc ccc cece eceeceeeeeeeseeveeseess 63 Semi Break in Operation cccceeceeeeeee ees 63 Full Break in operaton 63 E Speech CGompreseor 64 E Transmit filter width selection c eee 64 EATA TUNC ON EE 65 ATX Monitor function a se 65 E Monitor Tunchon 65 M Split frequency operation ccccceeeeeeeeee eee 66 W Quick Split FUNCTION 00 cece eeeeeeeeeeeeeees 67 Split LOCK funchon 67 E Measuring GW 68 Spot measurement 68 Plot measurement 68 ok zl zl TABLE OF CONTENTS 7 MEMORY OPERATION ccccceeseeeeesseees 69 74 E General description cccceeecceeeeeeeeeeeeeeeees 69 Memory channel contents 69 E Memory channel selection cccccceeneeeeeee 69 Selection in the VFO mode 69 Selection in the Memory mode 00 69 E Memory channel programming 70 Programming in the VFO mode 70 Programming in the Memory mode 70 E Memory clearing AANEREN 71 E Memory contents COPYING ccseceeeeeeeeeeeenes 72 Copying in the VFO mode 72 Copying in the Memory mode aannnnannnnn 72 E Memory name Drogrammimg 73 E Memo Pad function ccceeeeeeeeeeeeeneeeeeeees 74 Writing the displayed data into a memo pad 74 Calling up a MEMO pa 74 8 SGAN LE 75 81 MB SCAM BA et 75 E Prepara senec eer re o
92. eeeeeeeee 23 E VFO description 24 Selecting the VFO ADR 24 VFO equalization cccccccceeeesceeeeseeeeeees 24 E Selecting VFO Memory mode ssennseennennnnnn 24 E Selecting a frequency band 25 Using the band stacking registers 25 E Frequency settmg kk 26 Tuning with IDIALT 26 Direct frequency entry with the keypad 26 Quick Tuning Tupchon ees 27 Selecting 1 HZ eten ce cceececsseeeeeeeeees 27 1 4 Tuning Step function cceeceeseeeeees 27 Auto Tuning Step Tumnchon ee 28 About the 5 MHz frequency band operation USA version oh 28 Band edge warning been 29 Programming the user band edge 30 E Operating mode Selection ccceeeceeeeee eee 31 E Volume dl e BEE 31 E Squelch and receive RF sensitivity 32 WE Voice synthesizer operation n nnannenenenene 33 WE Meter Display selechon 33 E Basic transmit operaton 34 Tans mitina E 34 Microphone gain acdustment 34 4 RECEIVE AND TRANSMIT 2 ccceeeee 35 52 E Operating GP see EENN REENEN 35 E Operating CN esac 36 About the CW reverse mode 37 About CW pitch Control 37 amp About keying speed 37 CW sidetone Tunchon 37 E Electronic keyer functions ssensesensneennneeenn 38 Memory keyer menu construction 38 Q Memory keyer Send menu 39 Q Editing a memory keyer s ssse
93. effective use of the RF SQL control e RF SQL operates as only an RF gain control in SSB CW and RTTY Squelch is fixed open or a squelch control in AM and FM RF gain is fixed at maximum sensitivity when the RF SQL Control item is set to Auto in the Set mode p 86 e When used as an RF gain squelch control Noise squelch FM mode Recommended level Ly Squelch is a aan Maximum b VEN a RF gain RF gain adjustable SEN SE squelch e When used as an RF gain control Squelch is fixed open SSB CW and RTTY only Maximum Adjustable RF gain range WY Minimum RF gain While rotating the RF gain control a faint noise may be heard This comes from the DSP unit and does not indicate an equipment malfunction OSH e When used as a squelch control RF gain is fixed at maximum Noise squelch FM mode Noise squelch _ Gel S meter squelch ee S 7 threshold Squelch is ch d S meter open REY squelch Shallow Deep PANEL DESCRIPTION 1 MIC GAIN CONTROL MIC inner control p 34 Rotate to adjust the microphone gain e The transmit audio tone in the SSB AM and FM modes can be independently adjusted in the Tone Control Set mode pp 90 91 VY How to set the microphone gain While speaking at normal voice level adjust the mi crophone gain so that in the SSB or AM modes the ALC meter swings within the ALC zone Recommended level for Icom microp
94. eived CW audio pitch and CW sidetone can be adjusted to suit your preference without changing the operating frequency Rotate the CW PITCH control to suit your prefer ence e Adjustable from 300 to 900 Hz in 5 Hz steps About keying speed The transceiver s internal electronic keyer speed can be adjusted between 6 and 48 wom wards per min ute Rotate the KEY SPEED control clockwise to in crease keying speed counterclockwise to decrease keying speed CW sidetone function When the transceiver is in the receive mode and the Break in function is OFF p 63 you can listen to the CW sidetone without actually transmitting You can also use the CW sidetone to practice CW sending but be sure to turn OFF the Break in func tion The CW sidetone level can be adjusted in the Side Tone Level item of the Keyer Set mode p 42 7 eco Interference Desired signal CW mode LSB side BFO d Interference Desired signal CW R mode USB side KEY SPEED RECEIVE AND TRANSMIT 4 E Electronic keyer functions You can access a number of convenient functions of the built in electronic keyer in the memory keyer menu OU In the CW mode push MENU to display the M1 SEND EDT SET screen Menu 1 2 Push KEY F 4 to display the KEY screen Mem ory Keyer 3 Push SEND F
95. ems differ depending on the operating mode 5 Rotate DIAL to select the desired option e You can select the option for each operating mode e Hold down F 3 for 1 second to reset to the default set ting if desired 6 Push MENU to save and exit the Set mode 1 RX HPF LPF Mode SSB CW RTTY AM FM First select the operating mode then set the receive audio high pass filter to between 100 Hz and 2000 Hz in 100 Hz steps Default OFF 2 RX HPF LPF Mode SSB CW RTTY AM FM First select the operating mode then set the receive audio low pass filter to between 500 Hz and 2400 Hz in 100 Hz steps Default OFF 3 RX Bass Mode SSB AM FM First select the operating mode then set the receive audio bass level to between 5 and 5 Default 0 4 RX Treble Mode SSB AM FM First select the operating mode then set the receive audio treble level to between 5 and 5 Default 0 OTE the default value OFF QM QA AA A V F 3 TCON MENU Mode switches DIAL Displays the Set mode item name and number Displays the selected operating mode Displays the option Select the item Reset to the default setting 5 TX Bass Mode SSB AM FM First select the operating mode then set the transmit audio bass level to between 5 and 5 Default 0 6 TX Treble Mode SSB AM FM First select the oper
96. end read 3 lines selection for number of RTTY decoder line Send read Scan speed low Send read Scan speed high Send read Scan resume OFF Send read Scan resume ON Send read NB depth 00 1 to 09 10 Send read NB width 0000 1 to 0255 100 Send read VOX gain 0000 0 to 0255 100 Send read ANTI VOX gain 0000 0 to 0255 100 Send read VOX delay time 00 0 0 sec to 20 2 0 sec Send read VOX voice delay OFF Send read Short selection for VOX voice delay Send read Mid selection for VOX voice delay Send read Long selection for VOX voice delay see p 108 Send read DATA mode selection EE Dota Ca Ds ca see p 108 Send read Repeater tone frequency see p 108 Send read Tone squelch frequency Send read Transceiver s status RX Send read Transceiver s status TX Send read Antenna tuner OFF through Send read Antenna tuner ON Send read Manual tuning selection Send read Transmit frequency monitor check OFF Send read Transmit frequency monitor check ON Read number of available TX frequency band Read TX band edge frequencies Read number of user set TX frequency band see p 106 Send read User set TX band edge fre quencies CONTROL COMMAND 14 Data content description e Character code setting e Band edge frequency setting Command 1A 00 Command 02 1E 01 1E 03 OOOOH GOO GO GO 00 WH Q be xxx xo lx ox eo xx xe x XI f a St oO OC oO CO xX Q xX Q 4 SEN D TO 5 o Io o Zeie TA
97. erating mode is verbally announced when a mode switch is pushed e OFF The operating mode Speech function is OFF s ON The operating mode Speech function is ON 25 Memopad Numbers Default 5 Set the number of available memo pads to 5 or 10 See page 74 for details 26 MAIN DIAL Auto TS Default HIGH Set the Auto Tuning Step function for DIAL When rapidly rotating DIAL the tuning step automatically changes as selected There are two types of auto tuning steps LOW Faster and HIGH Fastest e OFF Auto tuning step is turned OFF e LOW Approximately 2 times faster e HIGH Approximately 5 times faster when the tuning step is set to 1 kHz or smaller steps approxi mately 2 times faster when the tuning step is set to 5 kHz or larger steps 27 MIC Up Down Speed Default HIGH Set the rate at which frequencies are scanned while holding down the microphone UP DN switches e LOW Low speed 25 tuning steps second e HIGH High speed 50 tuning steps second 28 Quick RIT Clear Default OFF Select the RIT ATX frequency offset clearing opera tion with CLEAR s OFF Holding down CLEAR for 1 second clears the RIT and ATX frequency offset e ON Pushing CLEAR instantly clears the RIT and ATX frequency offset 29 NOTCH SW SSB Default Auto Manual Select the Auto Manual or Auto Manual notch filter to be used for SSB mode operation e Auto Only the Auto notch filter can b
98. eration Includes low cut switch and mic gain control CT 17 CV LEVEL CONVERTER UNIT For remote transceiver control using a personal computer equipped with an RS 232C port You can change fre quencies operating mode memory channels etc via your computer AH 4 HF AUTOMATIC ANTENNA TUNER Specially designed to tune a long wire antenna for HF 50 MHz bands The PTT tune function provides simple operation e Input power rating 120 W AH 2b ANTENNA ELEMENT A 2 5 m long antenna ele ment for mobile operation with the AH 4 e Frequency coverage 7 54 MHz band with the Unidirectional dynamic microphone for base station operation Includes UP DOWN switches a low cut switch and mic gain control FL 430 1ST IF FILTER 6 kHz FL 431 1ST IF FILTER 3 kHz These filters reduce interference from strong nearby signals e OPC 599 ADAPTER CABLE 13 pin ACC connector to 7 pin 8 pin ACC connector e MB 123 CARRYING HANDLE Convenient when carrying the transceiver The same as that supplied with the transceiver e OPC 420 SHIELD CONTROL CABLE For the connection between transceiver and the AH 4 e RS BA1 IP REMOTE CONTROL SOFTWARE 4 To remotely control radios using the RS BA1 BE SURE Z that you comply with your local regulations Approved Icom optional equipment is designed for optimal performance when used with an Icom trans ceiver Icom is not responsible for the destruction or d
99. es to select the desired sweep step e 0 5 1 2 5 10 20 and 25 kHz are selectable 4 Push F 1 to start sweeping then automatically stop after sweeping e Hold down F 1 for 1 second to start continuous sweep ing In this case push F 1 again to stop the sweep ing e During a sweep gt O is displayed and received sig nals cannot be heard Sweep icon e If there is a lot of signal noise turn OFF the Preamplifier to reduce the signal input level and turn ON the Attenu ator to improve the readability of the band scope 5 Rotate DIAL to find a signal that you wish to com NOTE municate with If you find the signal communicate If you select a large sweep step a wide frequen in the normal way cy range can be displayed on the band scope but e If you want to return to the frequency you were using some signals may be skipped and not displayed before rotating DIAL hold down F 3 for 1 second e If the selected frequency is set outside of the sweeped range P or P blinks 6 If you want to update the band conditions while re ceiving repeat steps and MQ AQ 54 55 D FUNCTIONS FOR RECEIVE E Preamplifier The preamplifier amplifies weak signals in the receiver front end to improve the S N ratio and sensitivity Turn this function ON when receiving weak signals Push P AMPeATT one or more times to set the preamp OFF preamp 1 ON or preamp 2 ON e Either
100. for calls from others using the same tone Push AM FM once or twice to select the FM mode 2 Push MENU to display the M1 screen Menu 1 3 Push TON F 4 one or more times to turn ON the Tone Squelch function e TSQL appears 4 Hold down TON F 4 for 1 second to display the TON screen Tone e TSQL Tone appears on the function display 5 Rotate DIAL to select the desired tone squelch frequency See the table shown below e Hold down F 3 for 1 second to reset to the default set ting if desired 6 Push MENU to save and exit the TON screen 7 Communicate in the usual manner es Available tone squelch frequencies Unit Hz 210 7 254 1 RECEIVE AND TRANSMIT F 3 TON o An O C C oC C es OO O O MENU EE AM FM TSQL Tone TON SCAN DIAL Hold down Go GHz A 50 51 4 RECEIVE AND TRANSMIT E Tone scan operation To search for a repeaters sub audible tone a tone scan is available By monitoring a repeater signal with a tone squelch you can determine the tone frequency necessary to open the repeater or the squelch OU In the FM mode push MENU to display the M1 screen Menu 1 2 Hold down TON F 4 for 1 second to enter the TON screen Tone 3 Push TON F 1 one or more times to select the tone type to be sc
101. g F INP ENT push the keys on the keypad to enter a frequency After entering push F INP ENT to set the frequency e Example to enter 14 195 MHz Push F INP ENT 1 4 1 9 5 F INP ENT PBT CLEAR SWITCH PBT CLR p 59 Mode SSB CW RTTY AM Push to display the filter passband width and shifting value for 2 seconds on the function dis play e Hold down for 1 second to reset the PBT set tings PASSBAND TUNING CONTROLS TWIN PBT p 59 Mode SSB CW RTTY AM Adjusts the receiver s IF filter passband width using the DSP circuit e Rotate this control or push PBT CLR to display the PBT settings passband width and shifting value for 1 second on the function display e Hold down PBT CLR for 1 second to clear the PBT settings e The PBT is adjustable in 50 Hz steps in the SSB CW and RITY modes and 200 Hz in the AM mode In this time the shift value changes in 25 Hz steps in the SSB CW and RTTY modes and 100 Hz in the AM mode e These controls function as an IF shift control VY What is the PBT control The PBT function electronically modifies the IF passband width to reject interference This transceiver uses the DSP circuit for the PBT function PBT2 High cut Center Low cut NOTCH SWITCH NOTCH p 61 Mode Auto notch SSB AM FM Manual notch SSB CW RTTY AM In the SSB and AM modes push to toggle the notch function between auto manual and OFF e Either the A
102. g mode are called up as the first band stacking register of that frequency band 2 Select a frequency and an operating mode and then push the band key e The selected frequency and mode are memorized as that frequency band s first band stacking register 3 Select another frequency and operating mode and then push the band key e The selected frequency and mode are memorized as that frequency band s second band stacking register 4 Select another frequency and operating mode and then push the band key e The selected frequency and mode are memorized as that frequency band s third band stacking register The first band stacking register set in step is called up e When the frequency band key is pushed the memo rized triple band stacking registers are sequentially called up Example 14 MHz frequency band Push E Frequency setting You can select the transceiver s frequency by using DIAL or you can enter it using the keypad Tuning with DIAL 1 Select the desired frequency band e Push a band key 1 3 times Three different frequencies on each frequency band can be selected with the band key See the previous page Using the band stacking registers e The default tuning step differs depending on the oper ating mode SSB CW RTTY 10 Hz AM 1 kHz W is displayed FM 10 kHz W is displayed 2 Rotate DIAL to set the desired frequency Y If the Dial Lock fun
103. h TN Long wire ff wie pa fog SO L R deg ree Magy mmng A DANGER HIGH VOLTAGE NEVER touch the antenna element while tuning or transmitting TT CAUTION NEVER operate the AH 4 without an antenna wire or element The tuner and transceiver will be damaged NEVER operate the AH 4 when it is not grounded Transmitting before tuning may damage the trans ceiver Note that the AH 4 cannot tune when using a L long wire or multiple of the operating frequency 4 Nhen connecting the AHA the antenna connector assignments are ANT2 for the internal tuner and ANT 1 for the AH 4 The antenna icon in the LCD displays ANT when the AH 4 is connected and se lected MAGA e AH 4 operation Tuning is required for each frequency Be sure to re tune the antenna before transmitting when you change the frequency even slightly 1 Select the desired frequency for use with the AH 4 e The AH 4 will not operate on frequencies outside the ham bands 2 Hold down TUNER for 1 second e TUNE blinks while tuning 3 TUNE appears constantly when tuning is com plete e When the wire antenna cannot be tuned TUNE disap pears and the AH 4 is bypassed At that point the an tenna wire connection root is to the transceiver directly and not via the AH 4 antenna tuner 4 To bypass the AH 4 manually push TUNER TUNER T BOO o O
104. he AH 4 ANT1 Transceiver mio mm O oooopoo joo0oo000 oo0oo0000000000 ON E KOJ DX S _ TUNER Ground H Control cable Ground We IT RIT ATX Front view Long wire or optional AH 2b CH ost T ID N 2 INSTALLATION AND CONNECTIONS E Power supply connections When operating the transceiver with AC power use a power supply with 13 8 V DC output and a capacity of CAUTION Before connecting the DC power at least 23 Amps cable check the following important items Make sure e The POWER switch is OFF Refer to the diagrams below e Output voltage of the power source is 12 15 V when you use a non lcom power supply e DC power cable polarity is correct Red Positive terminal Black Negative terminal E Connecting to a DC power supply Connecting to the PS 126 DC POWER SUPPLY AC outlet To DC 13 8V To disconnect 2 y Sc DCH SS QO G a AC cable Ground Transceiver DC power cable lt gt 0000 lt gt Transceiver OOOOOAO oo0oo0000000000 Sooo 3000 CO eo eGe IO O 10 000000000000 AC outlet 4 em Ground A DC power supply To disconnect o 4 S A Connect to power supply RKA When you install the ferrite Supplied DC power cable Sc EMI filter make sure the ca LY LY ly bles at the top of the
105. he CW sidetone functions regardless of the MONI TOR setting Push MONITOR to turn ON the Monitor function e MONI appears 2 Rotate the MONI GAIN control to adjust the moni tor level e For the clearest audio output adjust while holding down PTT and speaking into the microphone 3 Push MONITOR again to turn OFF the function e MONI disappears CLEAR ATX RIT ATX Appear P AMP AGC a M AGC E Split frequency operation Split frequency operation allows you to transmit and receive on two different frequencies Split frequency operation is performed using frequencies in VFO A and VFO B The following is an example of setting 21 290 MHz for receiving and 21 310 MHz for transmitting Set 21 290 MHz in VFO A 2 Push SPLIT to turn ON the Split operation e The transmit VFO B frequency and SPLIT appear 3 Hold down A B for 1 second to equalize the trans mit VFO B frequency to the receive VFO A fre quency e The equalized transmit VFO B frequency appears e The Quick Split function is much more convenient for selecting the transmit frequency See the next section for details 4 While holding down XFC rotate DIAL to set the transmit frequency to 21 310 MHz e The transmit frequency can be monitored while h
106. he following chart is designed to help you correct If you are unable to locate the cause of a problem problems which are not equipment malfunctions or solve it through the use of this chart contact your nearest Icom Dealer or Service Center Transceiver power PROBLEM POSSIBLE CAUSE SOLUTION REF Power does not turn ON e The power cable is improperly connected e Re connect the DC power cable correctly when the POWER switch is e A fuse is blown e Correct the cause then replace the fuse with p 99 pushed an equivalent fuse Fuses are installed in the DC power cable and in the internal PA unit Transmit and receive PROBLEM POSSIBLE CAUSE SOLUTION REF No sound from the speaker e The audio volume level is too low e Rotate the AF control clockwise to obtain a p 31 suitable listening level e The squelch is closed e Rotate the RF SQL control to 11 o clock po sition to open the squelch e The transceiver is in transmit e Push TRANSMIT to receive or check the SEND line of an external unit if connected Sensitivity is too low and only The antenna is not connected properly e Re connect to the antenna connector strong signals are audible e The antenna for another band is selected e Select an antenna suitable for the operating frequency e The antenna is not properly tuned e Hold down TUNER for 1 second to manually tune the antenna e The attenuator is turned ON e Push PRAMP ATT to turn
107. hile scanning e Rotating DIAL also cancels the scan SCAN MEM VFO MEMO RF SQL MENU MEM Cr y AF 10k AF SEL SPAN SET SANN MEMO SCAN M E M AF SEL SPAN SET While Memory scanning Select Memory scan Select Memory scan searches for signals through Memory channels programmed as Sel Select NOTE To start a Select Memory scan two or more 4 Memory channels must be designated as Select 4 Memory channels IIMS 1 Start a Memory scan e Follow steps through on the previous page 2 While scanning push SEL F 3 to switch the scan function between a Memory scan and a Select Memory scan e SEL MEMO SCAN blinks while Select Memory scan ning 3 Push MEM F 1 to cancel the scan e Rotating DIAL also cancels the scan Setting Cancelling Select Memory channels All Memory channels can be set as Select Memory channels except for the Scan Edge channels When the SCAN screen is displayed push SEL F 3 or when the MEM screen Memory Menu is displayed push SEL F 5 to set or cancel the displayed Memory channel as a Select Memory channel e SEL appears when the channel is set as a Select Memory channel e An error beep sounds when the displayed Memory channel is a blank channel e Holding down SEL F 3 or SEL F 5 for 1 second dis plays SEL ALL Clear Hold
108. hones Lei e Decreases i H d i Increase Ty e RF POWER CONTROL RF PWR outer control p 34 Rotate to continuously vary the RF output power between 2 W minimum and 100 W maximum AM between 2 W and 27 W ELECTRONIC CW KEYER SPEED CONTROL KEY SPEED p 37 Mode CW Rotate to adjust the keying speed of the internal electronic CW keyer to between 6 wpm minimum and 48 wpm maximum Slow d Fast BREAK IN DELAY CONTROL BK IN DELAY p 63 Mode CW Rotate to adjust the transmit to receive switching delay time for the Semi Break in function Short delay Long delay for for high speed 1 slow speed keying keying COMPRESSOR CONTROL COMP p 64 Mode SSB Rotate to adjust the compression level Decreases f P Increases MONITOR GAIN CONTROL MONI GAIN p 65 Rotate adjust the monitor level for the clearest audio output Decreases f Increases 1 PANEL DESCRIPTION E Front panel continued POWER O ICOM scEIveR IC 7410 S TWIN PBT TRANSMIT gid a TUNER gt A ANTE PNR NB Y MIC RF PWR PHONES 47 e ELEC KE WS SCH v 1 vtomeno mw J Gi E Cas NOTCH CW PITCH EELER See D H i RA e GIE d e al B S VAY Ups EN SNE JAY e Y oO E e S e e
109. iately transmits when you key down then returns to receive after a pre set delay time has passed after you stop keying 1 Push CW to select the CW or CW R mode 2 Push VOX BK IN one or more times to turn ON the Semi Break in function e BK IN appears 3 Rotate the BK IN DELAY control to adjust the break in delay time the delay from transmit to re ceive Y When using a paddle rotate the KEY SPEED con trol to adjust the keying speed NY Full Break in operation During Full Break in operation the transceiver trans mits when you key down then immediately returns to receive when you release CO Push CW to select the CW or CW R mode 2 Push VOX BK IN one or more times to turn ON the Full Break in function e GBK IN appears Y When using a paddle rotate the KEY SPEED con ZG trol to adjust the keying speed NY BK IN DELAY CW VOX BK IN Appears Appears E Speech Compressor Mode SSB The Speech Compressor function increases average RF output power improving signal strength and read ability 1 Push SSB to select the USB or LSB mode 2 Rotate the MIC control to adjust the microphone gain so the ALC meter reads within the ALC zone whether or not you speak softly or loudly 3 Push COMP to turn ON the Speech Compressor function e COMP appears 4 While speaking into the micropho
110. ing cceeccceeeeeeeeeeeeeeeeeeeeneeeenes 96 Transceiver DOwWer 96 Transmit and receive nnannnnnnenenennnennnnn 96 DP SCANNING DEE 97 DIS DIA cate EE 97 E Dial tuning tension adlustmment 97 E Frequency calibration approximate 98 WE About protection displays ccccceceeeeeeeeeeees 98 E Fuse replacement oennnnnennnnnnennnnnnnnnnnennnnne 99 DC power cable fuse replacement 99 Circuitry TIusereplacement 99 E Resetting the CDU 100 Partial reset 100 PW OS GE 100 14 CONTROL COMMAND eseeeeeeeeeeees 101 108 E Remote jack CI V miormaton 101 CI V connection evample 101 alae LOMO EE 101 Command table 102 Data content description 106 15 SPECIFICATIONS cscececececececseeeenenenes 109 110 Ree 109 E TransSmitlen nce etek ee oneal 109 E Recova oaan A AAA 110 BM Antenna UNEN kes aE 110 16 OP TION LEE 111 112 E ODUONS aa 111 ke ei EE 113 114 ooh zl zl lt ms PANEL DESCRIPTION E Front panel ab POWER Lee a Q TRANSMIT o gt TUNER e MIC RF PWR PHONES gt lt lt D gt iss A Ad H Na Ay PBT CLR NOTCH NOTCH CW PITCH xro GE i X Dee A A ae ns d a H R due E Y QAAEZ
111. ing PANEL DESCRIPTION 1 BK IN SWITCH Operation p 63 Mode CW Push to toggle the Break in function between semi break in and full break in or to turn OFF the func tion VY What is the Break in function The Break in function automatically switches be tween transmit and receive with your CW keying Using the Full Break in function QSK you can hear the receive frequency in between keying COMPRESSOR SWITCH COMP p 64 Mode SSB Push to turn the Speech Compressor function ON or OFF e COMP appears when this function is ON MONITOR SWITCH MONITOR p 65 Push to turn the Monitor function ON or OFF to lis ten to your own transmitted audio e MONI appears when this function is ON e n the CW mode the CW sidetone can be heard re gardless of the MONITOR switch setting SPEECH SWITCH SPEECH p 33 Push to audibly announce the S meter level and the displayed frequency gt Hold down for 1 second to audibly announce the S meter level the displayed frequency and the operating mode e The S Level announcement can be turned OFF in the SPEECH S Level item of the Set mode p 87 e When RIT and or ATX are ON the RIT ATX offset is not included in the frequency announcement En FILTER SWITCH FILTER p 57 Push to select one of three IF filter settings E ve selected filter passband width and shifting value are displayed for 2 seconds on the LCD display Hold
112. ing beep setting e OFF Band edge beep is OFF e ON Default When you tune into or out of the default amateur band s fre quency range a beep sounds default e ON User When you tune into or out of a user programmed amateur band s frequency range a beep sounds e ON User amp TX When you tune into or out of a user programmed amateur band s frequency range a beep sounds Also transmission is in hibited outside the programmed range e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Push MENU to save and exit the Set mode A The beep output level can be set in the Beep Level YZ item of the Set mode p 85 NY About the user band edge frequencies When ON User or ON User amp TX is selected in the Band Edge Beep item a total of 30 band edge frequencies can be programmed in the User Band Edge item See the next page for details If OFF or ON Default is selected the User Band Edge item does not appear in the Set mode 4 Y MENU DIAL Band Edge Beep 6 VW ON Default ON Default Band Edge Beep a 6 VW ON User ON User selection Les l ser Band Edge v DEF EDT User Band Edge item Programming the user band edge When ON User or ON User amp TX is selected in the Band Edge Beep item the User Band Edge
113. ings select the User Band Edge item then hold down DEF F 3 for 1 second The band edge initialize screen appears then hold down YES F 4 for 1 second to reset all band edge frequency settings to their default settings BASIC OPERATION Oooo ID OMpooocol gt O MENU INS DEL DIAL Band Edge Beep M 6 wv ON User ON User setting in the Band Edge Beep item rz Y User Band Edge A 17 v DEF EDT User Band Edge item Y DE 1 600 000 29 999 999 a 1 v lt gt INS DEL EDG screen User Band Edge a 41 v DEF EDT User Band Edge item Tra Hold down Initialize Edges YES NO Band edge initialize screen Hold down User Band Edge A 17 v DEF EDT 30 3 BASIC OPERATION E Operating mode selection The usable operating modes in the IC 7410 are listed to the right You can select the desired operating mode by push ing the appropriate mode switch See the diagram to the right for the order of selection 4 Nhen the data mode is selected you can mute the microphone signals depending on the DATA MOD setting in the Set mode p 89 OAK e Selecting the SSB mode Push SSB to alternately select the USB or LSB mode e When operating above 10 MHz USB is selected first when operating below 10 MHz LSB is selected first e After USB or LSB is selected hold down SSB for 1 second
114. is function is convenient when you operate three op erating modes on one frequency band For example one register can be used for a CW frequency another for an SSB frequency and the other one for an RT TY Band keys 25 frequency See the table below for a list of the bands available and the default settings for each band BAND REGISTER 1 REGISTER 2 1 8 MHz 3 5 MHz 7 10 14 18 21 24 28 50 MHz MHz MHz MHz MHz MHz MHz MHz 1 900000 MHz CW 3 550000 MHz LSB 7 050000 MHz LSB 10 120000 MHz CW 14 100000 MHz USB 18 100000 MHz USB 21 200000 MHz USB 24 950000 MHz USB 28 500000 MHz USB 50 100000 MHz USB 1 910000 MHz CW 3 560000 MHz LSB 7 060000 MHz LSB 10 130000 MHz CW 14 200000 MHz USB 18 130000 MHz USB 21 300000 MHz USB 24 980000 MHz USB 29 500000 MHz USB 50 200000 MHz USB REGISTER 3 1 915000 MHz CW 3 580000 MHz LSB 7 020000 MHz CW 10 140000 MHz CW 14 050000 MHz CW 18 150000 MHz USB 21 050000 MHz CW 24 900000 MHz CW 28 100000 MHz CW 51 000000 MHz FM 15 000000 MHz USB 15 100000 MHz USB 15 200000 MHz USB General 2 1 The default frequency and mode settings are differ depending on the version Above list shows the USA version s 2 GENE selects the general coverage band Using the band stacking registers 1 Push a band key 1 8 1 to 50 0 or GENE li e The previously selected frequency and operatin
115. is indicated on the LCD display above each switch e The functions vary depending on the selected menu and the operating mode amp MENU SWITCH MENU pp 13 14 Push to change the set of functions assigned to switches F 1 to F 5 e Toggles between the function menus M1 Menu 1 and M2 Menu 2 Hold down for 1 second to enter the Set mode Push to return to the previous screen display MODE SWITCHES Push to select your desired operating mode p 31 e The built in speech synthesizer announces the selected mode when the SPEECH MODE SW item is set to ON in the Set mode p 87 SSB Push to alternately select the USB or LSB modes e USB or LSB appears n the SSB mode hold down for 1 second to se lect the SSB data mode USB D LSB D e O appears in addition to USB or LSB n the SSB data mode push to return to the nor mal SSB mode CW Push to alternately select the CW and CW R CW reverse modes e CW or CW R appears RTTY Push to alternately select the RTTY and RTTY R RTTY reverse modes e RTTY or RT TY R appears AM FM Push to alternately select the AM or FM modes e AM or FM appears Hold down for 1 second to select the AM or FM data mode AM D FM D e D appears in addition to AM or FM e In the data mode push to return to the normal AM or FM mode E PREAMPeATTENUA
116. ithin 1 second Push SSB or AM FM once or twice to select the operating mode 2 Push MENU to display the M2 screen Menu 2 3 Push VSC F 5 to turn the VSC function ON or OFF e MES appears when the VSC function is ON e Push MENU to return to the previous display 4 The VSC function is available for phone modes SSB AM and FM e The VSC function resumes the scan on unmodu lated signals regardless of whether the Scan Re sume function is set to ON or OFF MAAALN scans 8 e Squelch status O The scan starts with the squelch open For a programmed scan When the tuning step is 1 kHz or less The scan continues until it is stopped manually it does not pause even if signals are detected The scan is paused when the squelch is closed and then opens The scan resumes or is cancelled depending on the Scan Resume setting p 77 When the tuning step is 5 kHz or more If Scan Resume is ON the scan pauses when a signal is detected then resumes If the Scan Resume is OFF the scan does not re sume For a Memory scan lf Scan Resume is ON the scan pauses on each chan nel when a signal is detected then resumes lf Scan Resume is OFF the scan does not start O The scan starts with squelch closed The scan pauses when signals are detected The scan resumes or is cancelled depending on the Scan Re sume setting p 77 SSB VSC
117. king or distortion Set the NR control for 7 maximum readability OM E Dial Lock function The Dial Lock function prevents frequency changes by accidental movement of DIAL by electronically lock ing it Push LOCK to turn the Dial Lock function ON or OFF e O appears when the Dial Lock function is ON E Notch function Mode Auto notch SSB AM FM Manual notch SSB CW RTTY AM This transceiver has Auto and Manual Notch functions The Auto Notch function uses DSP to automatically at tenuate beat tones tuning signals etc even if their frequencies are changing The Manual Notch function allows you to manually attenuate a frequency via the NOTCH control In the SSB or AM mode push NOTCH to toggle the Notch function between auto manual and OFF e Either the Auto or Manual Notch function can be dis abled in the Set mode p 88 In the CW or RTTY mode push NOTCH to turn the Manual Notch function ON or OFF In the FM mode push NOTCH to turn the Auto Notch function ON or OFF e MNF appears when the Manual Notch function is ON e ANF appears when the Auto Notch function is ON e No indicator appears when the notch filter is OFF e When the Manual Notch function is ON hold down NOTCH for 1 second to select the wide mid or nar row manual notch filter width NR NR control es ERKA o O Co CO Co Oo e N Oe U
118. l speaker and any external speaker are disabled QO ELECTRONIC KEYER JACK ELEC KEY Plug in a bug or paddle type key to use the internal electronic keyer for CW operation p 16 e Select the ELEC KEY BUG KEY or Straight key keyer type in the Keyer Type item of the Keyer Set mode e When a straight key is connected Straight key must be selected in the Keyer Type item of the Keyer Set mode p 43 e A straight key jack is located on the rear panel See KEY on pages 8 and 16 e You can reverse the keyer paddle polarity dot and dash in the Paddle Polarity item of the Keyer Set mode p 42 e Four keyer memory channels are available for your con venience p 40 MICROPHONE CONNECTOR MIC Plug in the supplied or optional microphone e See page 22 for appropriate microphones and micro phone connector information RX INDICATOR Lights green while receiving or when the squelch opens AF CONTROL AF inner control p 31 Rotate to adjust audio output level to the speaker or headphones Increases Decreases RF GAIN CONTROL SQUELCH CONTROL RF SQL outer control p 32 Rotate to adjust the RF gain and squelch threshold level The squelch removes noise output to the speaker when no signal is received closed condition e The squelch is particularly effective in FM but also works in other modes e The 12 to 1 o clock position is recommended for the most
119. l you select is a blank channel an error beep sounds 6 Push F 1 one or more times to select the desired character type e See the Character table list below 7 Rotate DIAL to select the first character to input e When inputting numbers and a decimal point push the appropriate keypad key e Push DEL F 4 to delete the selected character e Push SPC F 5 to input a space e An error beep sounds if you try to program more than nine characters If you want to reprogram the name push 4 F 2 or gt F 3 to select any undesired char acter then push DEL F 4 to delete it Push lt F 2 to move the cursor backward or push gt F 3 to move the cursor forward 9 Repeat steps to 8 to program a memory name of up to 9 characters Push MENU to save the name and return to the MEM screen d Push MENU again to return to the M2 screen Character table list ses Selectable characters ape EDT MEM V 4 VFO MEMO MENU II IOC rire 66 Tell Sse LI Deeg 40 60 oc ee oe ss ss 100 MEMO be be EI et SWR 1 1 5 2 ecococoo 3 gegeeeeeeeeeeeg Le al P AMP AGC FILTER a DI a SCAN MEM SWR TCON VSC e When programing a memory name Tal gt Keypad Ke COOC CH OQ00 pc F 1 DEL SPC DIAL EXAMPLE Progra
120. lee INSTRUCTION MANUAL HF 50 MHz TRANSCEIVER IC 7410 Icom Inc FILTER NB ANF a NR Swe TOON MENU SSB cw KEY SPEED BK INDELAY COMP MONI GAIN SPEECH PBT CLR NOTI CH NOTCH CW PITCH RIT ATX AN RN FOREWORD Thank you for making the IC 7410 your radio of choice We hope you agree with Icom s philosophy of technology first Many hours of research and devel opment went into the design of your IC 7410 FEATURES O High receiver performance third order intercept point IP3 of 30 dBm HF bands only O Simple band scope function O 0 5 ppm of high frequency stability O RTTY demodulator and decoder O RS BA1 compatible IMPORTANT READ THIS INSTRUCTION MANUAL CAREFULLY before attempting to operate the transceiver SAVE THIS INSTRUCTION MANUAL This manual contains important safety and operating instructions for the IC 7410 EXPLICIT DEFINITIONS WORD DEFINITION Personal death serious injury or an Personal injury fire hazard or electric CAUTION Equipment damage may occur NOTE If disregarded inconvenience only No risk of personal injury fire or electric shock Spurious signals may be received near some fre quencies These are made in the internal circuit and does not indicate a transceiver malfunction Icom Icom Inc and the Icom logo are registered trademarks of Icom Incorporated Japan in Japan the United States the United Kingdom German
121. light DO NOT place the transceiver against walls or putting anything on top of the transceiver This may overheat the transceiver Always place unit in a secure place to avoid inadver tent use by children BE CAREFUL If you use a linear amplifier set the transceivers RF output power to less than the linear amplifiers maximum input level otherwise the linear amplifier will be damaged BE CAREFUL The rear panel will become hot when operating the transceiver continuously for long periods of time USE only the specified microphone Other manufac turers microphones have different pin assignments and connection to the IC 7410 may damage the transceiver or microphone During maritime mobile operation keep the trans ceiver and microphone as far away as possible from the magnetic navigation compass to prevent errone ous indications Turn OFF the transceiver s power and or disconnect the DC power cable when you will not use the trans ceiver for long period of time For U S A only CAUTION Changes or modifications to this device not expressly approved by Icom Inc could void your authority to operate this device under FCC regula tions TABLE OF CONTENTS FORE WORD DE i NUECHT i EXPLICIT DEFINITIONG c csseeesseeeeeeseeeeees i SUPPLIED ACCESSORIES ccccseseesssseeeeseeees i FCC INFORMATION 2 cccsseceesecceseeeeseeeeeeeseneees i PRECAUTIONS iiia a il TABLE OF CONTEN
122. mended for the most effective use of the RF SQL control e RF SQL can operate as only an RF gain control Squelch is fixed open or only a squelch control RF gain is fixed at maximum sensitivity depending on the RF SQL Control setting in the Set mode p 86 SET MODE OPERATING RF SQL SETTING MODE OPERATION Operates as an RF gain control and a noise squelch or S dole meter squelch e When functioning as an RF gain squelch control SSB CW Operates as an RF Noise squelch FM mode RTTY AM gain control and an S Squelchis ay Recommended level meter squelch open ro N N S OM RE gain Operates as only a squelch control RF gain e RF gain is fixed at maxi sai mum sensitivity S meter squelch Operates as only an RTTY RF gain control o e Squelch is fixed open e When functioning as a squelch control RF gain is fixed at maximum Noise squelch FM mode SSB CW Operates as only a squelch control e RF gain is fixed at maxi Noise squelch Sg S meter squelch mum sensitivity threshold ia lt i threshold FM mode i i l ae Squelch is S meter O Adjusting RF gain Receive sensitivity open squelch Normally RF SQL is set to the 12 o clock position Rotate RF SQL to the 11 o clock position for maxi Shallow Deep mum sensitivity e Rotating counterclockwise from the maximum position re duces sensiti
123. mit Default ON Turn the confirmation and band edge beep tones out put level limiting ON or OFF When you set this item to ON the beep tones are ad justed by the AF control until rotating the AF control reaches to the specified level Further rotation will not increase the volume of the beep tones e OFF Beep level adjustment is not limited e ON Beep level adjustment is limited with the AF control 4 Y a a Cy Cd N Soo Cu OO OC CH MENU F 3 DIAL Displays the Set mode item name and number Displays the option LED Contrast See SE a hth E E ER el CG Soe eee ea eee eee ee a ee aaa wen eee ae eee aoa oe eee eee cee ee eee Select the item Reset to the default setting 5 Beep Default ON Turn the confirmation beep ON or OFF Set the beep output level in the Beep Level item as described to the left e OFF The confirmation beep is OFF Silent opera tion The confirmation beep sounds each time a switch is pushed s ON 6 Band Edge Beep Default ON Default When you tune into or out of an amateur band s fre quency range you can hear a beep tone If you select ON User or ON User amp TX you can program a total of 30 band edge frequencies in the User band Edge item You can set the beep output level in the Beep Level item as described to the left e OF
124. mmed scan scan edges must be programmed into these channels Refer to Memory Channel programming to pro gram Program Scan Edge channels p 70 If the same frequencies are programmed into the Program Scan Edge channels the programmed 4 scan will not start QV CO Push VFO MEMO to select the VFO mode 2 Push a mode switch to select the desired operating mode p e The operating mode can also be changed while scan ning 3 Push TS one or more times to select a tuning step p 27 e The tuning step can also be changed while scanning 4 Push MENU once or twice to display the M2 screen Menu 2 5 Push SCAN F 1 to display the SCAN screen 6 Rotate the RF SQL control to set the squelch to open or closed e The scan performance differs depending on the squelch setting when the scan was started See page 76 for de tails e f the RF SQL control function is set to AUTO the squelch is always open in the SSB CW and RTTY modes pp 2 32 86 7 Push PRO F 1 to start or cancel the programmed scan e The MHz and kHz decimal points and PROG SCAN blink while scanning e Rotating DIAL also cancels the scan About the Fine programmed scan When a signal is received during Fine programmed scan the scanning tuning step is temporarily set to 10 Hz and the scan speed decreases 1 Start the programmed scan e Follow steps CU through as described above
125. mming DX spot into Memory channel 99 Character type Cursor aes abc lt dr DEL SPC Til Fe Fs ea es t Input a space Delete a character Move cursor forwards Move cursor backwards Select character type E Memo Pad function The transceiver has a Memo Pad function to store the displayed data for easy writing and recalling The memo pads are separate from the Memory channels The default number of memo pads is 5 However you can increase the number to 10 in the Memopad Num bers item of the Set mode if desired p 87 Writing the displayed data into a memo pad You can store the displayed data by pushing MP W When you store the 6th data into memo pads the old est stored entry is automatically erased to make room for the new data sS N T TEE TEE EC ee ee Po FEET eee space A O eens 50 seeeeeee 100 ALCL In this example 21 847 MHz USB will be erased when 21 280 MHz LSB is written Calling up a memo pad You can call up a memo pad by pushing MP R while in either the VFO or Memory mode e The memo pad data is called up starting from the most recently written e Jensen ee cl TA FA EDD ed Sfrssr tkaszsess 50 seeeeeee 100 Atc MEMORY OPERATION Memo pads are convenient when you want to memo rize the displayed data temporarily such as when you find a DX station in a pile up or when a desired station is busy for a long time and you want to te
126. mnes cients 76 E Voice Squelch Control function 06 76 E Scan Set MOdE cccccccececseseeeseseeesseeeeenees 77 E Programmed scan Fine programmed scan VEO MOGE Jeer as 78 About the Fine programmed scan 78 E Memory scan Memory mode 79 O Meny SCAND EE 79 Q Select Memory SCAN cccceeeeeeseeeeeseeeeees 80 Setting Cancelling Select Memory channels 80 E AF scan and Fine AF ecan 81 About the Fine AF ecan 81 9 ANTENNA TUNER OPERATION 82 84 E Antenna connection and eelechon 82 E Antenna tuner operation 83 Tuner operation 83 9 Manual dl ue EE 83 E Optional external tuner operation 84 IRC pd ell 85 91 E Set Mode description ooannannnnanoenneennnennnnnne 85 The Set mode settings cccceeseseeeeeeeees 85 E Tone Control Set mode description 90 The Tone control Set mode settings 90 11 DATA COMMUNICATION 0 92 93 E Connections eonnnennnannoennnennnnennnrennennnnennennnee 92 When connecting to ACC 92 When connecting to MIC eenn 92 E Packet AFSK operaton 93 Frequency display during AFSK operation 93 12 OPTION INSTALLATION cseceeeees 94 95 WE Opening the transceivers Case 94 E FL 430 FL 431 1ST IF FILTER installation 95 13 MAINTENANCE ccceseeseeseeeeeneeeeees 96 100 WE Troubleshoot
127. mporarily search for other stations Use the transceivers memo pads instead of relying on hastily scribbled notes that are easily misplaced U NOTE Each memo pad must have its own unique f set of data memo pads having identical data cannot ZG be written NY Memo pads Newest Oldest Y Erased When you call up a memo pad the previously dis played data is automatically stored in a temporary pad The temporary pad can be recalled by pushing MP R e You may think there are 6 memo pads because 6 different frequencies 5 in memo pads and 1 in the temporary pad are called up by MP R GI you change the data called up from a memo pad the stored temporary pad data is replaced with the changed data MQ A Memo pads Newest A Oldest 74 15 8 SCANS E Scan types Scanning automatically searches for signals and makes it easier to locate new stations for contact or listening purposes The IC 7410 has several scan types Programmed scan Memory scan AF Delta Frequency scan and Select Memory scan PROGRAMMED SCAN p 78 Repeatedly scans between scan edges Program Scan Edge channels P1 and P2 This scan operates in the VFO mode Scan edge Scan edge AF SCAN p 81 Repeatedly scans within the AF span area This scan operates in both VFO and memory modes Center frequency Start frequency AF frequency A AF frequency MEMORY SCAN p 79 Repeatedly scans all programmed Memo
128. n for AM Send read Auto Manual Notch selection for AM Send read manual notch filter width pop up OFF Send read manual notch filter width pop up ON CONTROL COMMAND 14 Eee SO EE ER sic 05 0030 Send read BW Popup PBT setting OFF EISE E 05 0048 00 to 10 Send read SSB TX Tone Bass level Send read BW Popup PBT setting ON Send read BW Popup FIL setting OFF Send read BW Popup FIL setting ON Send read SSB CW Synchronous Tuning function OFF Send read SSB CW Synchronous Tuning function ON Send read LSB selection for CW normal side Send read USB selection for CW normal side Send read KEYER Root selection for keyer 1st menu Send read KEYER SEND selection for keyer 1st menu Send read external keypad OFF 01 Send read KEYER SEND selection for the external keypad 00 Send read USB audio squelch OFF OPEN 01 Send read USB audio squelch ON 0000 to Send read USB modulation level 0255 0000 0 to 0255 100 00 Send read MIC selection for the modula tion input during DATA mode OFF 01 Send read ACC selection for the modula tion input during DATA mode OFF 02 Send read MIC ACC selection for the modulation input during DATA mode OFF 03 Send read USB selection for the modula tion input during DATA mode OFF 00 Send read MIC selection for the modula tion input during DATA mode operation 01 Send read ACC selection for the modula tion input during DATA mode operation 02 Send read MIC ACC selection for th
129. n is available for only one mem ory keyer channel at a time EIS used in memory 7 keyer channel M2 by default OO A iM Pre programmed memory keyer contents Memory keyer Contents channel CQ TEST CQ TEST DE JA1 JA1 TEST UR 5NN BK CFM TU RECEIVE AND TRANSMIT P AMP AGC FILTER a M A ere CQ TEST CQ TEST DE M 1 lt gt DEL SPC Input a space Delete a character Move cursor forward Move cursor backward Select M1 to M4 e M2 default indication ere UR 5NN BK M2 lt Z DEL SPC When inputting an asterisk the counter is incremented by 1 e M3 default indication fer CM TU M 3 lt p DEL SPC e M4 default indication EPE ORZ M4 gt DEL SPC Example display Inputting QSL TU DE JASYUA TEST into the memory keyer channel 3 M3 erg QSL TU DE JA38YUL_ M 3 lt gt DEL SFC Deag TU DE JA3SYUA TESI M 3 lt p gt DEL Src 40 41 4 RECEIVE AND TRANSMIT E Electronic keyer functions continued Contest number Set mode This mode is used to set the contest number and count up trigger etc e Setting contents 1 In the CW mode push MENU to display the M1 screen Menu 1 2 Push KEY F 4 to display the KEY screen Mem ory Keyer 3 Push 001 F 4 to enter the Contest Number Set mode Push A F 1 or W F 2 to select the desired item 5 Rotate DIAL to select the desired option e Hold down F 3 for 1 second to rese
130. nal Directive 1999 5 EC This warning symbol indicates that this equipment operates in non harmonised frequency bands and or may be subject to licensing conditions in the country of use Be sure to check that you have the correct version of this radio or the correct program ming of this radio to comply with national licensing requirement e List of Country codes ISO 3166 1 Country Codes Country Codes 1 Austria AT 18 Liechtenstein LI Belgium Lithuania Bulgaria Luxembourg Croatia Malta Czech Republic Netherlands Cyprus Norway Denmark Poland Estonia Portugal Finland Romania France Slovakia Germany Slovenia Greece Spain Hungary Sweden Iceland Switzerland Ireland Turkey Italy United Kingdom Latvia We Icom Inc Japan 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Declare on our sole responsibility that this equipment complies with the essential requirements of the Radio and Telecommunications Terminal Equipment Directive 1999 5 EC and that any applicable Essential Test Suite measurements have been performed Kind of equipment HF 50 MHz TRANSCEIVER Type designation IiC 7410 Version where applicable This compliance is based on conformity with the following harmonised standards specifications or documents i EN 301 489 1 v1 6 1 September 2005 ii EN 301 489 15 v1 2 1 August 2002 iii EN 301 783 2 v1 1 1 September 2000 iv EN 60950 1 2006 A11 2009 v vi
131. ne at your normal voice level rotate the COMP control to adjust the compressor level so the COMP meter reads within the COMP zone e Hold down F 3 for 1 second to reset to the default set ting if desired 4 Nhen the COMP meter peaks above the COMP level zone your transmitted voice may be dis torted MOQ E Transmit filter width selection Mode SSB The transmit filter width for the SSB mode can be set to Wide Mid or Narrow 1 Push SSB to select the USB or LSB mode 2 Push MENU to display the M1 screen Menu 1 then hold down TBW F 4 for 1 second one or more times to select a Wide Mid or Narrow transmission passband width e Push TBW F 4 momentarily to display the selected TX filter width for approximately 1 second e The following filters are specified as the defaults Each of the filter widths can be set in the Tone Control Set mode pp 90 91 WIDE 100 Hz to 2900 Hz MID 300 Hz to 2700 Hz NAR 500 Hz to 2500 Hz FUNCTIONS FORTRANSMIT 6 MIC control SSB Q 0 O O COMP control COMP S CH De dee el e et AU e FA e FD Po III IIDIIDDRRDR eeeeee 2 ceecee BY see e2 100 ALcClndun E TI Dis COMP meter COMP level zone The selected transmit filter width is displayed for approximately 1 second 64 D FUNCTIONS FOR TRA
132. ns ceiver Use for transceive operation with another Icom CIl V transceiver or receiver When the trans ceive function is set to ON changing the fre quency operating mode etc on the IC 7410 automatically changes those settings on other Icom transceivers or receivers and vice versa p 89 1 PANEL DESCRIPTION E Rear panel Continued USB Universal Serial Bus CONNECTOR USB EXTERNAL SPEAKER JACK EXT SP p 17 Using a USB cable connect a PC to do the follow Connect an external speaker 4 to 8 Q ing Input modulation p 89 Remotely control the transceiver using CIl V com mands p 101 Send the received audio to the PC Send the decoded characters to the PC p 89 About the USB driver The USB driver and the installation guide can be downloaded from our website http www icom co jp world index html The following items are required PC e Microsoft Windows XP Microsoft Windows Vista or Microsoft Windows 7 OS e A USB 1 1 or 2 0 port Other items e USB cable purchase separately e PC software such as optional RS BA1 NOTE BE SURE to install the USB driver BE FORE connecting the USB cable between the radio and the PC This is because the USB driver does not support the automatic recognition sys tem MGA About the modulation input Select USB in the Set mode item DATA OF
133. oint e Example LSB LSB data mode Mark freq 2125 Hz Shift freq 200 Hz 2325 Hz 200 Hz 2125 Hz lt hw Carrier point Displayed frequency E Opening the transceiver s case r Icom strongly suggests that the customer have their dealer or Icom distributor for a reasonable fee in stall Icom options at the time of the order Icom un derstands that even the simplest of installations de mands the judgment of a trained Icom technician Therefore Icom will not be responsible for damage to the optional unit or subsequent damage to the transceiver due to user installation problems The option s or the transceivers Warranty can be voided in such situations at the sole judgment of Icom For those customers who still wish to install their own options Knowing the risks and possible con sequences the following information is provided for information purposes only VAAN The following are instructions for removing the covers of the IC 7410 UY A WARNING Turn OFF the power and disconnect the DC power cable from the transceiver before per forming any work on the transceiver Otherwise there is danger of electric shock and or equipment 4 damage RGA AA 1 Remove the two screws from the carrying handle and remove it from the transceiver 2 Remove the six screws from the top of the trans ceiver and the six screws from the sides then lift up the top co
134. olding down XFC 5 Now you can receive on 21 290 MHz and transmit on 21 310 MHz To change the transmit and receive frequencies push A B to exchange VFO A and VFO B Y CONVENIENT e Direct frequency shift input The frequency shift can be directly entered OU Push F INP ENT 2 Enter the desired frequency shift with the digit keys e 9 999 to 9 999 MHz can be set in 1 kHz steps e When you require a minus shift direction first push GENE 3 Push SPLIT to input the frequency shift to the transmit frequency and the Split function is turned ON Example To transmit on a 1 kHz higher frequency Push F INP ENT 1 8 1 then SPLIT To transmit on a 3 kHz lower frequency Push F INP ENT GENE 7 3 then SPLIT e Split Lock function Accidentally releasing XFC while rotating DIAL changes the receive frequency To prevent this use both the Split Lock and Dial Lock functions to change only the transmit frequency The Split Lock function cancels the Dial Lock function while holding down XFC during split frequency operation The Split Lock function is OFF by default but can be turned ON in the Set mode p 86 TUL FUNCTIONS FOR TRANSMIT A B SPLIT 3O 0 OO e After pushing SPLIT Appears P AMP AGC FILTER a DI a TBW SCP Shows transmit VFO B frequency e While holding down XFC
135. one Level ea ee es Cea Les Reset to the default setting Select the item 5 Dot Dash Ratio Set the dot dash ratio Default 1 1 3 0 e 1 1 2 8 to 1 1 4 5 in 0 1 steps can be selected Keying weight example Morse code K DOT fixed Weight setting DASH DASH 1 1 3 default Lo Weight setting m Adjusted Adjustable range 7 SPACE ec SPACE and DOT length can be adjusted with only KEY SPEED 6 Rise Time Default 4ms This item sets the rise time of the transmitted CW en velope e 2 4 6 or 8 milliseconds can be selected About rise time Key action __ Set Tx power level o Tx Output power Rise time Time UY t the rise time of a CW waveform is too short key GG clicks on nearby frequencies can be generated NY t Continued on the next page 43 4 RECEIVE AND TRANSMIT Keyer set mode continued 7 Paddle Polarity Default NORMAL Set the paddle polarity e Normal or reverse polarity can be selected 8 Keyer Type Default ELEC KEY Select the keyer type for the ELEC KEY connector on the front panel e Straight key BUG KEY or ELEC KEY can be se lected Set the microphone UP DN switches to be used as a key The microphone UP DN switches do not work as a squeeze key e ON The UP DN switches can be used as a key for CW e OFF The UP DN switches canno
136. op speaking 7 Set the VOX voice delay if desired Push MENU to return to the previous menu 1 VOX Gain Default 50 Adjust the VOX gain to between 0 and 100 in 1 steps Higher values make the VOX function more sensitive to your voice 2 Anti VOX Default 50 Adjust the ANTI VOX gain to between 0 and 100 in 1 steps Higher values make the VOX function less sensitive to the received audio from a speaker or headphones VOX BK IN Appears TBW SCP 4 Y VOX BK IN DIAL 3 VOX Delay Default 0 2s Set the VOX delay to between 0 0 and 2 0 seconds for normal pauses in speech before returning to re ceive 4 VOX Voice Delay Default OFF Set the VOX voice delay to prevent clipping of the first few syllables of a transmission when switching to transmit OFF Short Mid and Long settings can be set When using the VOX voice delay turn OFF the TX Monitor function to prevent transmitted audio from being echoed ANS 62 D FUNCTIONS FOR TRANSMIT E Break in function Mode CW The Break in function is used in the CW mode to auto matically toggle the transceiver between transmit and receive when keying The IC 7410 is capable of Full Break in or Semi Break in Semi Break in operation During Semi Break in operation the transceiver imme d
137. operation using the CI V system ON or OFF When this item is set to ON changing the frequency operating mode etc on the IC 7410 automatically changes those settings on other Icom HF transceivers or receivers and vice versa e OFF Transceive operation OFF e ON Transceive operation ON 45 USB Serial Func Default CI V Select the function for the USB port on the rear panel eCl V Used to send CI V commands e RTTY Inthe RTTY mode used to send RTTY de coded signal 46 RTTY Decode Baud Default 9600 Set the RTTY decode monitor speed to 300 1200 4800 9600 or 19200 bps 47 Calibration Marker Default OFF Use as a simple frequency check of the transceiver See page 98 for calibration procedure A NOTE Turn OFF the calibration marker after check Uy ing the frequency of the transceiver e OFF Calibration marker OFF e ON Calibration marker ON 48 REF Adjust During frequency calibration set the internal refer ence frequency to between 0 and 100 range in 1 steps UY NOTE The default setting is different for each j transceiver NY SETMODE 10 E Tone Control Set mode description The Tone control Set mode settings 1 Push MENU one or more times to display the M2 screen Menu 2 2 Push TCON F 4 to enter the Tone control Set mode 3 Push a mode switch to select the desired operating mode 4 Push A F 1 or W F 2 to select the desired item e Selectable it
138. ore you begin operating on that frequency Transmitting 4 CAUTION Transmitting without an antenna will A damage the transceiver TRANSMIT TX indicator 1 Push PTT on the microphone to transmit or TRANSMIT on the transceiver e The TX indicator lights red 2 Release PTT to receive or push TRANSMIT again kv Adjusting the transmit output power Rotate RF PWR Ee e Adjustable range 2 W to 100 W 2 W to 27 W in the AM mode Increases M CX Decreases D Microphone gain adjustment Mode SSB AM FM 1 Push PTT on the microphone to transmit e Speak into the microphone at your normal voice level 2 In the SSB mode While speaking into the microphone rotate the MIC control so that the ALC meter reading stays within the ALC zone In the AM and FM modes While speaking into the microphone rotate the MIC control with another station listening to your voice for clarity S L erg ech eeng ee 20 40 60 Recommended level for Po SED A etree eg 1 o ancon microphone AC lung am BENENE i R 2 dean E eegee eeeeeeeeeee Co SS Decreases ME i Increases ALC zone 3 Release PTT to receive 34 Mmm 4 RECEIVE AND TRANSMIT E Operating SSB Select the desired band p 25 TRANSMIT TX indicator 2 Push SSB to select the LSB or USB
139. ound when the equalization is complete CONVENIENT Use two VFOs as quick memories When you find a new station but wish to continue searching the dual VFO system can be used for quick memory storage 1 Hold down A B for 1 second to store the displayed data into the undisplayed VFO 2 Continue searching for stations 3 Push A B to show the stored data on the undis played VFO 4 To continue searching for stations push A B again to show the displayed VFO E Selecting VFO Memory mode Push VFO MEMO to toggle between the VFO and Memory modes e FOA or VFOB appears when in the VFO mode MEMO appears when in the Memory mode e Holding down VFO MEMO for 1 second copies the contents of the selected Memory channel into the dis played VFO p 72 The selected VFO icon BASIC OPERATION A B A B Undisplayed VFO The selected VFO icon Displayed VFO Po OO S ier A d tees 50 coeeeees e100 Sannt atc i 6 fcH 1 Hold down A B 3 Push A B e II E DIE T LOL e VeeeBeeeSeeeZeee9ee 20 40 60 I s e e eeee 100 VFO MEMO The memory icon 3 24 3 BASIC OPERATION E Selecting a frequency band The triple band stacking register provides three mem ories for each band key to store frequencies and operating modes Th
140. ow This function is especially convenient when you use 2 antennas for HF and 50 MHz band operation ANT METER To use the band memory set the ANT Switch item to Auto in the Set mode p 87 e Antenna selection mode Auto default Once an antenna has been selected for use with a 3 5 7 MHz 21 28 50 MHz band by pushing ANT METER the antenna is auto bands bands matically selected whenever that band is accessed EXAMPLE a 3 5 7 MHz antenna is connected to ANT1 a 21 28 50 MHz antenna is connected to ANT 1 ANT2 ANT2 When the antenna selector function is set to j a E ee S Auto the correct antenna is automatically selected lt gt 0000 when you changes bands SE e Antenna selection mode Manual ANTeMETER functions however the band memory function is disabled In this case you must select an antenna manually EXAMPLE an optional antenna tuner and HF an tenna are connected to ANT1 and a 50 MHz an tenna is connected to ANT2 e Antenna selection mode OFF ANTeMETER does not function The ANT1 con nector is always selected for HF and 50 MHz bands operation 82 83 9 ANTENNA TUNER OPERATION E Antenna tuner operation The internal automatic antenna tuner automatically matches the transceiver to the selected antenna After the tuner matches an antenna the variable capaci
141. ower and disconnect the DC power cable from the transceiver before per forming any work on the transceiver Otherwise there is danger of electric shock equipment dam age and or fire injury RA AAA DC power cable fuse replacement Refer to the figure illustrated to the right for the DC power cable fuse replacement Circuitry fuse replacement Except for the power amplifier the 13 8 V DC from the DC power cable is applied to all units in the IC 7410 through the circuitry fuse This fuse is located in the PA unit 1 Remove the top cover p 94 2 Remove the 22 screws then remove the PA shield ing plate as shown to the right 3 Remove the speaker cable from the connector on the PA unit as shown to the right 4 Replace the circuitry fuse as shown in the diagram to the right 5 Replace the speaker cable PA shielding plate top cover and screws to their original position UY CAUTION DO NOT pull the speaker cable when removing the PA shielding plate or DO NOT put the speaker cable under the PA shielding plate when replacing it This could damage the transceiver MAA The IC 7410 has two fuse types installed for trans ceiver protection e DC power cable fuses cccceeeceeeee eens ATC 30 A Circuitry fuse ce eeccceeeecceeeeeeeeseeeeeeeeenaeees AIC 5A PA shielding plate Speaker cable ATC 5 A fuse cor E Resetting the CPU Partial rese
142. pending on the CW pitch setting e OFF The displayed frequency does not shift e ON The displayed frequency shifts when the op erating mode is changed between SSB and CW 35 CW Normal Side Default LSB Select the sideband used to receive CW in the CW normal mode between LSB and USB 36 KEYER 1st Menu Default KEYER Root In the CW mode select KEYER Root or KEYER SEND as the menu that appears first after pushing KEY F 4 in the M1 screen Menu 1 e KEYER Root Memory keyer menu appears first e KEYER SEND Keyer SEND menu appears first 37 External Keypad Default OFF Turn the external keypad ON or OFF for keyer mem ory transmission See page 18 for the equivalent circuit of an external keypad and connection e OFF The external keypad does not func tion e KEYER SEND In the CW mode pushing one of external keypad switches transmits the desired keyer memory con tents 88 89 10 SETMODE E Set mode description Continued 38 USB Audio SQL Default OFF OPEN Select whether or not to output the audio from the USB connector on the rear panel according to the squelch state The same audio signals are sent from the USB con nector and the ACC sockets The beep tones and the voice synthesizer announce ments are not sent The received audio output level cannot be adjusted with the AF control e OFF OPEN The received audio is always sent regardle
143. ratio 28 1 1 2 8 to 45 1 1 4 5 Send read 2 msec selection for Rise time Send read 4 msec selection for Rise time Send read 6 msec selection for Rise time Send read 8 msec selection for Rise time 104 105 14 CONTROL COMMAND Command table continued GE 05 0074 01 00 01 02 00 01 00 01 02 00 01 02 00 01 00 01 00 01 00 01 00 01 00 01 00 to 09 0000 to 0255 0000 to 0255 0000 to 0255 00 to 20 00 01 02 03 Send read Normal selection for paddle po larity Send read Reverse selection for paddle polarity Send read Straight selection for keyer type Send read BUG Key selection for keyer type Send read ELEC Key selection for keyer type Send read Mic up down keyer OFF Send read Mic up down keyer ON Send read 1275 Hz selection for RTTY mark frequency Send read 1615 Hz selection for RTTY mark frequency Send read 2125 Hz selection for RTTY mark frequency Send read 170 Hz selection for RTTY shift width Send read 200 Hz selection for RTTY shift width Send read 425 Hz selection for RTTY shift width Send read Normal selection for RTTY key ing polarity Send read Reverse selection for RTTY keying polarity Send read RTTY decode USOS OFF Send read RTTY decode USOS ON Send read CR LF CR LF selection for RTTY decode new line code Send read CR LF selection for RTTY decode new line code Send read 2 lines selection for number of RTTY decoder line S
144. read the tuning step 100 Hz Send read the tuning step 1 kHz Send read the tuning step 5 kHz Send read the tuning step 9 kHz Send read the tuning step 10 kHz Send read the tuning step 12 5 kHz Send read the tuning step 20 kHz Send read the tuning step 25 kHz Send read attenuator OFF Send read 20 dB attenuator Send read ANT1 selection Send read ANT2 selection Announce operating frequency operating mode and S meter level with voice synthe sizer Announce operating frequency and S meter level with voice synthesizer Announce operating mode with voice syn thesizer CH CH zech O ie N O TI CONTROL COMMAND 14 Cmd Sub cmd Data Description _ l l 01 02 03 06 07 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 00 01 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 0000 to 0255 Send read AF position 0000 max CCW 0255 max CW Send read RF position 0000 max CCW 0255 11 o clock Send read SQL position 0000 11 o clock 0255 max CW Send read NR position 0000 max CCW 0255 max CW Send read inner TWIN PBT position 0000 max CCW 0128 center 0255 max CW Send read outer TWIN PBT position 0000 ma
145. res e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet ona circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help PRECAUTIONS A DANGER HIGH RF VOLTAGE NEVER attach an antenna or internal antenna connector during transmission This may result in an electrical shock or burn A WARNING NEVER operate the transceiver with a headset or other audio accessories at high volume levels Hearing experts advise against continu ous high volume operation If you experience a ringing in your ears reduce the volume or discontinue use A WARNING NEVER operate or touch the transceiver with wet hands This may result in an electric shock or damage to the transceiver A WARNING NEVER apply AC power to the DC13 8V socket on the transceiver rear panel This could cause a fire or damage the transceiver A WARNING NEVER cut the DC power cable between the DC plug and fuse holder If an incorrect connection is made after cutting the transceiver may be damaged A WARNING NEVER apply more than 16 V DC to the DC13 8V socket on the transceiver rear panel or use reverse polarity This could cause a fire or damage the transceiver A WARNING NEVER let metal wire or other objects protrude into the transceiver or into connectors on the rear panel This may result in an
146. ry chan nels This scan operates in the memory mode SELECT MEMORY SCAN p 80 Repeatedly scans all Select Memory channels This scan operates in the memory mode E Preparation For a Programmed scan Program scan edge frequencies into Program Scan Edge channels P1 and P2 in the same manner as programming Memory channels p 70 For a Memory scan Program two or more Memory channels Program Scan Edge channels will not be scanned p 70 For a Select Memory scan Set two or more Memory channels as Select Memory channels p 80 For a AF scan Set the AF span AF scan range in the SCAN screen p 81 e Scan Resume function You can select the scan to resume or cancel after detecting a signal in the Scan Set mode The Scan Resume function must be set before starting a scan p 77 e Scan speed The scan speed can be set to high or low in the Scan Set mode p 77 E Voice Squelch Control function Mode SSB AM FM This function is useful when you do not want unmodu lated signals pausing or cancelling a scan When the Voice Squelch Control VSC function is ON the re ceiver checks received signals for voice components The scan pauses or is cancelled if a received signal includes voice components and the tone of the voice components changes within 1 second The scan resumes if the received signal includes no voice components or the tone of the voice compo nents does not change w
147. s than 2 5 1 for the 50 MHz band e the transmit power 8 W for the HF bands 15 W for the 50 MHz band e the power source voltage current capacity If the tuner still cannot reduce the SWR to less than 1 5 1 after checking the above perform the following e try manual tuning one or more times e adjust the antenna feedline length This is effective for higher frequencies in some cases Even if manual tuning does not tune the antenna and the tuner turns OFF the first time it may tune the an tenna the second time NOTES e NEVER transmit without an antenna properly con nected to each antenna port in use e When 2 antennas are connected select the an tenna to be used by pushing ANTeMETER e H the SWR is higher than about 1 5 1 when tun ing farther than 100 kHz from an antenna s pro grammed preset point hold down TUNER for 1 second to start manual tuning e The internal tuner may not be able to tune in the AM mode In such case hold down TUNER for 1 second to manually tune TUNER O Tuning a narrow bandwidth antenna Some antennas especially for the low bands have a narrow bandwidth These antennas may not be tuned beyond the edge of their operating bandwidth therefore manually tune such an antenna as follows Example Suppose you have an antenna which has an SWR of 1 5 1 at 3 55 MHz and an SWR of 3 1 at 3 8 MHz Select 3 55 MHz and
148. settings 1 Select memory ON 0 Split OFF 1 Split ON 0 Select memory OFF When the program channel is selected both settings should be 0 4 8 Operating frequency setting See e Operating frequency p 106 40 Operating mode setting See e Operating mode p 106 Data mode setting 1 byte data XX 00 Data mode OFF 01 Data mode ON 2 Tone setting 2 E 0 OFF 1 Tone 2 TSQL O fixed 3 15 Repeater tone frequency setting 6 18 Tone squelch frequency setting see e Repeater tone tone squelch frequency setting as described above 9 27 Memory name setting 9 characters fixed See e Character code setting p 106 A 00 command with the format as below clears the data of the selected memory channel 1 Memory channel 0 to 99 3 FF 4 or later None 108 Mg 15 specirications 109 E General e Frequency coverage Receive 0 030 60 000 Transmit 1 800 1 999 3 500 3 999 5 33050 5 384650 5 386650 5 37150 5 40350 7 000 7 300 14 000 14 350 21 000 21 450 24 890 24 990 28 000 29 700 50 000 54 000 Some frequency bands are not guaranteed Depending on version Only USA version e Mode USB LSB CW RTTY AM FM e No of memory channels 101CH 99 regular 2 scan edges e Antenna impedance 50 Q at Antenna Tuner OFF e Antenna connector type SO 23
149. sh A F 1 or W F 2 to select Calibration Marker 6 Rotate DIAL to turn ON the calibration marker e A sidetone may be heard T Push W F 2 to select REF Adjust Rotate DIAL to adjust for a zero beat with the re ceived standard signal e Zero beat means that two signals are exactly the same frequency resulting in a single tone being heard 9 Push A F 1 to select Calibration Marker Rotate DIAL to turn OFF the calibration marker d Push MENU to save and exit the Set mode E About protection displays The IC 7410 2 step protection function monitors the power amplifier temperature and activates when the temperature becomes extremely high e Reduced power transmission Halves the transmit output power af LMT appears above the TX icon x p 11 e Transmission inhibit Deactivates the transmitter Even if you push PTT or TRANSMIT the TX indica tor does not light When the protector is activated operate in only the stand by or receive mode until the power amplifier cools down NOTE DO NOT turn OFF the transceiver power when the protector is ON or the cooling fan will not function and delay cooling the transceiver 98 13 MAINTENANCE E Fuse replacement If a fuse blows or the transceiver stops functioning find the source of the problem and repair it Then re place the damaged fuse with a new adequately rated fuse A WARNING Turn OFF the p
150. ss of the squelch state e ON The received audio is sent when the squelch is open 39 USB MOD Level Default 50 Set the input modulation level of the USB connector to between 0 and 100 in 1 steps 40 DATA OFF MOD Default MIC ACC Select the desired connector s for data modulation input in the data OFF mode e MIC Use the signals from MIC e ACC Use the signals from ACC pin 11 e MIC ACC Use the signals from MIC and ACC pin 11 e USB Use the signals from USB 41 DATA MOD Default ACC Select the desired connector s for data modulation input in the data mode e MIC Use the signals from MIC e ACC Use the signals from ACC pin 11 e MIC ACC Use the signals from MIC and ACC pin 11 e USB Use the signals from USB 42 Cl V Baud Rate Default Auto Set the Cl V data transfer rate between 300 1200 4800 9600 19200 bps and Auto When Auto is selected the baud rate is automatically set according to the data rate of the connected con troller 43 CI V Address Default 80h To distinguish equipment each CI V transceiver has its own Icom standard address in hexadecimal code The IC 7410 s address is 80h When 2 or more IC 7410 s are connected to an op tional CT 17 cl v level converter rotate DIAL to se lect a different address for each IC 7410 the range is 01h to DFh 44 CI V Transceive Default ON Turn the transceive
151. sssessensssrseennn 40 Contest number Set mode 41 Keyer Set mode 42 E Operating RTTY ER 44 BAT TY UNCION S EE 45 RTTY menu construction cccecceeeeees 45 About the RTTY reverse mode 055 46 OBI EY decd ege 46 Twin Peak Elter 47 RTTY Set mode ENEE 48 E Operating AMIEM 49 M Tone squelch operaton 50 ME Tone scan operation ccccceecceeeeeeeeseeeeeeees 51 M Repeater operaion 51 Repeater access tone frequency seiting 52 Transmit frequency monitor check 52 5 FUNCTIONS FOR RECEIVE csssssscseees 53 61 E RIT function 2 ccc ecceeeeseeeeeseeeeeeeseeneesaees 53 RIT Monitor function 53 E Simple band ecope 54 E Preampliler oceni 59 E ASM UO Nl mensais aaa s 55 MAGC UNCION sedna 56 AGC speed eelechon 56 Setting the AGC time consiant 56 MIF filter SEI CON EE 57 IF filter selection 57 Q Filter passband width setting 006 57 1st IF filter selechon ccc eee essen eeeees 58 IF DSP filter Shape cc eceeeeeeeeeee es 58 M Twin PBT operation c ccccceeeeeeeeeeeeeeeees 59 E Noise Banker 60 O NB Ser mode EE 60 W Meter Peak Hold function nacncnnn 60 E Noise Hecducnon 61 WE Dial Lock function 0 cece ecceeceeeeeeeseeneeseees 61 M NOGA fr inter e A EE 61 FUNCTIONS FOR TRANSMIT 0s000e008 62 68 E VOX TUN CU OR BE 62 Q Using the VOX function ccce
152. t If you want to reset the operating parameters to their default values VFO frequency VFO settings menu group s contents without clearing certain data as de scribed below a partial reset can be performed The following data will not be cleared when doing a Partial reset e Memory contents e Memory keyer contents e Programmed user band edge frequencies e REF Adjust Reference frequency setting 1 First turn OFF the transceiver power 2 While holding down F INP ENT and VFO MEMO push POWER to turn ON the power e During start up the transceiver displays PARTIAL RESET then the initial VFO frequencies when reset ting is complete e If you operate the transceiver before PARTIAL RESET disappears the resetting will be cancelled 3 If desired edit the Set mode settings after resetting All reset The display may occasionally display erroneous infor mation e g when first applying power This may be caused externally by static electricity or by other fac tors If this problem occurs turn OFF the power After wait ing a few seconds turn ON the power again If the problem persists perform the following procedure Y NOTE Resetting the CPU CLEARS all programmed Us contents and returns them to their default settings First turn OFF the transceiver power 2 While holding down F INP ENT and M CLR push POWER to turn ON the power e During start up the transceiver displays
153. t be used as a key for CW NOTE When ON is selected the frequency and memory channels cannot be changed using the UP DN switches MQ E Operating RTTY FSK When using your RTTY terminal or TNC consult the manual that comes with the equipment 1 Select the desired band p 25 2 Push RTTY to select the RTTY mode e Pushing RTTY alternately selects the RTTY or RTTY reverse mode 3 Rotate DIAL to tune a desired signal e The S meter indicates received signal strength e If the received signal cannot be demodulated try to se lect the RTTY reverse mode in step e The tuning step can be changed in the tuning step pro gram mode p 27 4 Push TRANSMIT to set the transceiver to the transmit mode or transmit a SEND signal from your TNC e The TX indicator lights red e The Po meter displays the transmitted RTTY signal strength 5 Use your PC or TNC TU to transmit RTTY FSK signals 6 Push TRANSMIT to return to receive Convenient Receive functions e Preamp and attenuator p 55 e Twin PBT Passband Tuning p 59 e AGC Auto Gain Control p 56 e Noise Blanker p 60 e Noise Reduction p 61 e Notch filter p 61 e function p 27 e Twin Peak Filter p 47 RECEIVE AND TRANSMIT TRANSMIT TX indicator naaca a While receiving the meter functions as the RTTY tuning meter to make correct
154. t copied but remain in only the Memory chan nel RMMMQQOA MN z Push VFO MEMO to select the Memory mode 2 Push A or V to select a Memory channel to be copied e BLANK appears if the selected Memory channel is a blank channel In this case select another channel e Set the frequency or operating mode if required 3 Hold down VFO MEMO for 1 second to copy the Memory channel contents into the VFO e Three beeps sound when the copy is complete Push VFO MEMO to select the VFO mode MEMORY OPERATION V 4 VEO MEMO The Memory channel contents are copied While in the Memory mode CW D se 6008 TEE oes S Tee e e ele e e de e el eet A e FA FD s ssbi sssgesesgeeiO0ge The Memory channel contents are copied 72 73 Z MEMORY OPERATION E Memory name programming All Memory channels including scan edges channels can be assigned an alphanumeric names of up to nine characters each EXAMPLE Programming a memory name into Memory channel 99 1 Push VFO MEMO to select the Memory mode 2 Push A or W to select Memory channel 99 3 Push MENU one or more times to display the M2 screen Menu 2 4 Push MEM F 2 to display the MEM screen Memory Menu 5 Push EDT F 1 to display the EDT screen Mem ory Name Edit e A cursor appears and blinks e f the channe
155. t to the default set ting if desired 6 Push MENU to save and return to the KEY screen 7 Push MENU again to return to the M1 screen 1 Number Style Default Normal This item sets the numbering system used for contest numbers normal or short morse numbers Y Short morse numbers are also referred to as cut f numbers e Normal Does not use short morse numbers e 190 gt ANO Sets 1 as A 9 as N and O as O e 190 gt ANT Sets 1 as A 9 as N and O as T e 90 gt NO Sets 9 as N and 0 as O e 90 gt NT Sets9asNandOasT 2 Count Up Trigger Default M2 Set the count up trigger to one of four memory slots for the contest number exchange The count up trigger allows the contest number to automatically advance after each complete serial number exchange is sent e M1 M2 M3 or M4 can be set 3 Present Number Default 001 This item shows the current number for the count up trigger channel set above e Rotate DIAL to change the number or hold down F 3 CLR for 1 second to reset the current number to 001 Number Style AA 1 v Normal rai Kescht Eech eeh CE Select the item Reset to the default setting Keyer Set mode This Set mode is used to set the CW sidetone mem ory keyer repeat time dash weight paddle specifica tions keyer type etc e Setting contents OU In the CW mode push MENU to display the M1 screen Menu 1 2 Push KEY F 4 to
156. to select the CW mode e Pushing CW alternately selects CW or CW reverse mode 3 Rotate DIAL to tune a desired signal e The S meter indicates the received signal strength e The tuning step can be changed in the tuning step pro gram mode p 27 4 Rotate the AF control to adjust the audio to a com fortable listening level 5 Push TRANSMIT to transmit e The TX indicator lights red 6 Use the electric keyer or paddle to key your CW signals e The Po meter indicates transmitted CW output power 7 Push TRANSMIT again to receive Convenient Receive functions Convenient Transmit functions e Preamp and attenuator p 55 e Break in function p 63 e Twin PBT passband tuning p 59 e Keying speed setting p 37 e AGC Auto Gain Control p 56 e Memory keyer p 38 e Noise Blanker p 60 e Noise Reduction p 61 e Manual Notch filter p 61 e CW pitch control p 37 e function p 27 36 37 4 RECEIVE AND TRANSMIT E Operating CW continued About the CW reverse mode The CW reverse mode receives signals with a reverse side CW carrier point similar to voice of the LSB and USB modes Use when interfering signals are near a desired signal and you want to reduce the interfering tone Push CW to alternately select the CW or CW re verse mode e Check that the interfering tone can be reduced About CW pitch control The rec
157. to select the data mode e In the data mode push SSB to return to the normal SSB mode e Selecting the CW mode Push CW to alternately select the CW or CW R CW reverse mode e Selecting the RTTY mode Push RTTY to alternately select the RTTY or RTTY R RTTY reverse mode e Selecting the AM FM mode Push AM FM to alternately select the AM or FM mode e After AM or FM is selected hold down AM FM for 1 second to select the data mode e In the data mode push AM FM to return to the normal AM or FM mode E Volume setting Rotate the AF control clockwise to increase the audio output level counterclockwise to decrease it Increases Decreases e Usable operating modes Mode switch Operating mode USB Data RTTY RI TY awe LAM SB SB W M ow A 6 M000 2O Mode switches MUSB lt gt USB lt gt LSB gt DLSB lt gt Push momentary lt x Hold down for 1 second 0 0 O O BASIC OPERATION 3 E Squelch and receive RF sensitivity Adjusts the RF gain and squelch threshold level The squelch removes noise output to the speaker when no signal is received closed position e The squelch is particularly effective for AM and FM but can also be used in other modes e The 12 to 1 o clock position is recom
158. tor settings are memorized as a preset point for each fre quency range 100 kHz steps Therefore when you change the frequency range the variable capacitors are automatically preset to the memorized setting 42 CAUTION NEVER transmit with the tuner ON when Y E f no antenna is connected This will damage the 4 transceiver Be careful of the antenna selection kv For your convenience When you purchase a brand new antenna or you want to change the antenna settings you can erase all of the internal antenna tuner preset points with Tuner Preset Clear in the Set mode p 87 Tuner operation Push TUNER to turn ON the internal antenna tuner The antenna is automatically tuned when the antenna SWR is higher than 1 5 1 e When the tuner is ON TUNE appears Manual tuning lf you transmit in SSB with a soft voice the internal tuner may not automatically tune correctly In such case manual tuning is helpful Hold down TUNER for 1 second to start manual tuning e A sidetone sounds TUNE blinks and the TX indicator lights red while tuning e If the tuner cannot reduce the SWR to less than 1 5 1 within 20 seconds of tuning TUNE disappears and the TX indicator goes out O If the tuner cannot tune the antenna check the following and try again e the correct antenna connector selection e the antenna connection and feedline e the untuned antenna SWR Less than 3 1 for the HF bands Les
159. tput frequency 6 Hold down SPLIT to turn ON the Quick Split func tion e ege and TONE appear e The tone frequency can be set in the TON screen Tone 88 5 Hz is set by default p 52 7 Communicate in the normal way TON SCAN F 3 OCs OOOO cic oS MENU TON AM FM DIAL CL A AGC TON SCP Hold down Rptr Tone TON SCAN Sc PHI zs RSR Push to select the tone type TSQL Tone TON SCAN Les Push to start or cancel the scan 88 5Hz D EE IER o P seseos DQ aa 5O sees ees ALCT SWR 1 1 5 2 eeeeee 3 eoecesesceseece Co P AMP AGC FILTER a g a TSQL Tone SACN SCAN SSS 8HzZ SPLIT VFO MEMO ANT _ FM ERD 320 cam mn e O00 LL Po eseses flzsessss BQ ss sees e e2100 ALC SWR 1 1 5 2 ecccce 3 weccccccccccece co ell well A a Le EEN E P AMP AGC FILTER TONE a g al AGC TON Appears Repeater access tone frequency setting Some repeaters require a subaudible tone to be ac cessed Subaudible tones are superimposed on your normal signal and must be set first You can select 50 tones from 67 0 Hz to 254 1 Hz 1 In the FM mode push MENU to display the M1 screen Menu 1 2 Push TON F 4 one or more times to turn ON the Tone Encoder function e TONE appears 3 Hold down
160. trigger The total capacity of the memory keyer is 70 characters per memory channel e Programming contents OU In the CW mode push MENU to display the M1 screen Menu 1 2 Push KEY F 4 to display the KEY screen Mem ory Keyer 3 Push EDT F 3 to display the EDT screen Keyer Edit e The memory keyer content of Channel 1 M1 is dis played 4 Push F 1 one or more times to select the memory keyer channel to be edited 5 Rotate DIAL to select a character or push the keypad to input a number e Push DEL F 4 to delete the selected character or number e Push SPC F 5 to input a space e An error beep sounds when you try to input more than 70 characters To delete a character or number push lt F 2 or gt F 3 to select it then push DEL F 4 to delete Selectable characters Ato Z 6 Push 4 F 2 to move the cursor backward or push gt F 3 to move the cursor forward 7 Repeat steps 5 and to program up to 70 char acters memory keyer contents Push MENU to save and return to the KEY screen 9 Push MENU again to return to the M1 screen NOTE is used to transmit a string of characters with no inter character space Put AN before a text string such as AR and the string AR is sent with no space X is used to insert the CW contest serial num ber The serial number automatically advances by 1 This functio
161. uency VFO A or VFO B MEMORY CHANNEL READOUT p 69 Displays the selected memory channel SELECT MEMORY CHANNEL ICON p 80 Appears when the selected memory channel is set as a select memory channel BLANK MEMORY ICON pp 69 71 Appears when the selected memory channel is blank d 14 TUNING DIAL SPEED ICON p 27 Mode SSB D CW RTTY Appears when the tuning dial speed is set so that one rotation is equal to 1 4 of the normal rotation DIAL LOCK ICON p 61 Appears when the Dial Lock function is ON SPLIT ICON p 66 Appears when the Split function is ON d MODE ICONS p 31 Displays the selected operating mode e 0 appears when the SSB data AM data or FM data mode is selected ANTENNA TUNER ICONS p 83 TUNE appears when the antenna tuner is ON TUNE blinks during tuning Af appears when the optional AH A external antenna tuner is connected to the ANT1 con nector and ANT 1 is selected ANTENNA ICONS p 82 Displays which antenna connector is selected for HF 50 MHz e ANT1 appears when the ANT1 connector is se lected e ANT2 appears when the ANT2 connector is se lected BREAK IN ICONS p 63 G BK IN appears when the Full Break in func tion is ON BK IN appears when the Semi Break in func tion is ON MONITOR ICON p 65 Appears when the Monitor function is ON amp PREAMP ICONS p 55 Appears when
162. unction is turned ON hold down to listen to the displayed frequency RIT is temporarily cancelled p 53 w When the ATX function is turned ON hold down to listen to the transmit frequency including ATX frequency offset p 65 UP DOWN SWITCHES A Push to change the operating channel p 69 Hold down to continuously change the operating channel amp VFO EQUALIZE SWITCH A B p 24 Hold down for 1 second to equalize frequencies of VFO A and B VFO SELECT SWITCH A B p 24 Push to select either VFO A or VFO B to display e VFOA or VFOB is displayed depending on the se lection SPLIT SWITCH SPLIT Push to turn the Split function ON or OFF p 66 e SPLIT appears when the Split function is ON Hold down for 1 second to activate the Quick Split function p 67 e The transmit frequency shifts from the receive fre quency according to the FM SPLIT Offset HF 50 setting in the Set mode p 86 e The Quick Split function can be turned OFF in the Quick SPLIT item of the Set mode p 86 BAND KEYS KEYPAD BAND KEYS Operation p 25 Push to select the operating band e GENE el selects the general coverage band Pushing the same key two or three times calls up other stacked frequencies in the frequency band e lcom s triple band stacking register memorizes three frequencies in each frequency band KEYPAD Operation p 26 After pushin
163. ur TNC 1 Connect the TNC and PC p 92 2 Select the desired band p 25 3 Push SSB or AM FM to select the desired oper ating mode 4 Hold down the same key you pushed in step for 1 second to select the Data mode 5 Rotate DIAL to select the desired frequency 6 Transmit your AFSK signals using your PC s key board e Rotate the RF PWR control to set the output power e While using a TNC the relative strength of the transmit ted signal is indicated on the Po meter e When operating in the SSB data mode adjust the out put power so that the ALC meter reading stays in the ALC zone 7 NOTE When connecting the TNC to the ACC socket on the rear panel select the USB LSB AM and FM data mode or disconnect the microphone and ro tate the MIC control fully counterclockwise When the DATA MOD item is set to ACC default in the Set mode and the data mode is selected the audio input from the MIC connector is auto matically cut In that case the audio input from the ACC socket is used Also when the data mode is selected the fixed set tings listed below are automatically selected e Speech compressor OFF e Transmit bandwidth MID Fixed to the default value 300 Hz to 2700 Hz x tone Bass 0 x tone Treble 0 ANN T T Frequency display during AFSK operation When operating AFSK in the SSB mode the displayed frequency is the signal s carrier p
164. uto or Manual Notch function can be turned OFF in the NOTCH SW item of the Set mode p 88 n the FM mode push to turn the Auto Notch function ON or OFF n the CW or RTTY mode push to turn the Man ual Notch function ON or OFF e MNF appears when the Manual Notch function is ON e ANF appears when the Auto Notch function is ON e No icon appears when the Notch function is OFF Hold down for 1 second to switch the manual filter characteristics from wide mid and narrow when the Manual Notch function is selected VY What is the notch filter The notch filter is a narrow filter that eliminates unwanted CW or AM carrier tones while preserving the desired voice signal The DSP circuit automatically adjusts the notch frequency to effectively eliminate unwanted tones MANUAL NOTCH FILTER CONTROL NOTCH inner control p 61 Rotate to adjust the notch frequency to reject an inter fering signal when the Manual Notch function is ON e Notch filter center frequency SSB RTTY 1040 Hz to 4040 Hz CW CW pitch freq 2540 Hz to CW pitch freq 2540 Hz AM 5060 Hz to 5100 Hz Higher frequency Lower frequency PANEL DESCRIPTION 1 CW PITCH CONTROL CW PITCH outer control p 37 Rotate to shift the received CW audio pitch and the CW sidetone pitch without changing the operating frequency e The pitch can be adjusted from 300 to 900 Hz in ap proximately 5 Hz steps Higher pitch
165. ver 3 Turn the transceiver upside down 4 CAUTION NEVER HOLD THE UNIT BY THE DIAL OR ANY OTHER KNOBS when you turn the transceiver upside down This may damage 4 them or cause you to drop the transceiver 4 Remove the six screws from the bottom and then lift off the bottom cover NAA VY About the leg pads To detach the leg pads from the right side panel of the top bottom cover push them out from the inside of each cover after completing steps CU through above Rear Top Bottom Front OPTION INSTALLATION 12 E 94 95 12 OPTION INSTALLATION E FL 430 FL 431 1ST IF FILTER installation The optional filters FL 430 1ST IF FILTER 6 kHz or FL 431 1ST IF FILTER 3 kHz provides 6 or 3 kHz filtering to reduce interference from strong nearby signals 1 Remove the top and bottom covers as shown on page 94 2 Install the FL 430 or FL 431 as shown to the right e The connectors on the IC 7410 are marked for the ap propriate filter e Ensure the FL 430 or FL 431 is installed correctly 3 Return the top and bottom covers to the original po sitions Y After installation a 6 KHz or 3 kHz filter width can be used See page 58 for details N amp gt ER FL 431 3 kHz 28 FL 430 6 kHz Xx AN 4 h Q h Q h h h d 7 b b 2 b H DESEN b je W Ge a D x x y Rear Top MAINTENANCE 1 3 E Troubleshooting T
166. vity e When functioning as an RF gain control e The S meter indicates receive sensitivity Squelch is fixed open SSB CW RTTY only Y While rotating the RF gain control noise may be A heard This comes from the DSP unit and does not hauaade GH ZY indicate an equipment malfunction al 7 quip range O Adjusting squelch Removing non signal noise ener 7 X Rotate RF SQL clockwise when no signal is received until the noise just disappears e The RX indicator light goes out e Rotating RF SQL past the threshold point activates the S meter squelch this allows you to set a minimum signal level needed to open the squelch 32 33 3 BASIC OPERATION E Voice synthesizer operation The IC 7410 has a built in voice synthesizer to an nounce the operating frequency mode and S meter level in clear electronically generated voice in Eng lish or Japanese First select the desired parameters to be announced in the Set mode p 87 Initial values for the voice synthesizer parameters e SPEECH Level 50 e SPEECH Language English e SPEECH Speed HIGH e SPEECH S Level ON e SPEECH MODE SW OFF Push SPEECH to announce the S meter level and currently selected frequency e f you hold down SPEECH for 1 second the trans ceiver announces the operating mode after the fre quency The S meter level announcement can be turned OFF p 87 Push a mode switch to announce the appropriate mode
167. voltage Non matched ALC and RF power settings could overheat or damage the linear amplifier e The IC 7410 SEND terminal ACC connector pin 3 is rated at 16 V 0 5 A DC If this value is exceeded a larger INSTALLATION AND CONNECTIONS 2 E Microphone connector information AF output varies with AR Ge FUNCTION DESCRIPTION te 8V DC output Max 10mA ZAID Microphone ground 8 V DC output Max 10 mA d Frequencyup Ground 2 8 V DC output A GND PTT ground Frequency up Ground Wann gg PTT 4 Squelch switch Front panel view Frequency down Ground through 470 Q Squelch closed High level 3 Frequency up down CAUTION DO NOT short pin 2 to ground as this can damage the internal 8 V regulator A DC volt age is applied to pin 1 for microphone operation Use caution when using a non lcom microphone MAAN E Microphones HM 36 UP DOWN SWITCHES UP DN Push to change the frequency or memory channel e While holding down the frequency or memory channel number continuously increases or decreases e While in the split frequency mode and holding down XFC push to change the transmit frequency e The UP DN switch can be used as a key paddle if the MIC Up Down Keyer item is set to ON in the Keyer Set mode In such case the frequency and mem ory channel cannot be changed using the UP DN switches p 43 e You can set the dot dash polarity of the
168. wer side 30 39 Alphabetical characters AG 0 through Alphabetical characters 1 to 20 100 to 2000 Hz LPF y 5 to 24 500 to 2400 Hz y 25 through y Set the LPF value larger than HPF one S S Character ASCII code Description 41 61 2 3 2 2 2 3 5A 7A 20 F F E D C A 27 28 Y e FF stops sending CW messages Y e A i e A is used to transmit a string of characters with no inter character space 107 e Data mode with filter width setting Command 1A 06 0 00 Data mode OFF 01 FIL1 02 FIL2 03 FIL3 00 Data mode OFF 01 Data mode ON e Memory content setting Command 1A00 CONTROL COMMAND 14 e Repeater tone tone squelch frequency setting Command 1B 00 1B 01 On Ke Ke 100 Hz digit gt x 10 kHz digit gt x 0 1 Hz digit gt d O N L 0 fixed gt O fixed gt Not necessary when setting a frequency 0 0 O 9 0 0 8e amp 8 0 8 e8a O B Are programmed in the same manner as 4 8 When the split setting is ON these settings are the matching transmit settings Even when the split setting is OFF these settings are still necessay Be sure the settings are compatible with the specifications of the IC 7410 1 2 Memory channel number 0001 0099 Memory channel 01 to 99 0100 Programmed scan edge P1 0101 Programmed scan edge P2 3 Split and Select memory
169. when the SPEECH MODE SW item is set to ON in the Set mode p 87 E Meter Display selection The transceiver has four transmit meter functions for your convenience In addition to Po and ALC you can display the SWR or COMP meter by holding down ANTeMETER for 1 second e Po Displays the RF output power in percent e ALC Displays the ALC level When the meter move ment shows the input signal level exceeds the allowable level the ALC limits the RF power In such cases rotate the MIC control counter clockwise to decrease the microphone gain e SWR Displays the SWR of the antenna at the fre quency e COMP Displays the compression level when the speech compressor is in use SPEECH ANT METER e When the SWR meter is selected e Jensen ee cl FA CA FD po UDIIIDIINIIIIURRRRRRRRRRR ee eeee Z seseses 50 eoeoeoeveee 100 ALC lung BERGE SWR 1 1 5 2 eeeeee 3 eeeeeeeeeeeeeee Co The RF output power meter becomes the S meter in receive BASIC OPERATION 3 E Basic transmit operation Before transmitting monitor the operating fre quency to make sure transmitting won t cause interference to other stations on the same fre quency It s good amateur practice to listen first and then even if nothing is heard ask Is the frequency in use once or twice bef
170. x CCW 0128 center 0255 max CW Send read CW PITCH position 0000 max CCW 300 Hz 0128 center 600 Hz 0255 max CW 900 Hz Send read RF PWR position 0000 max CCW to 0255 max CW Send read MIC position 0000 max CCW to 0255 max CW Send read KEY SPEED position 0000 max CCW to 0255 max CW Send read NOTCH position 0000 max CCW 0128 center 0255 max CW Send read COMP position 0000 max CCW to 0255 max CW Send read BK IN DELAY position 0000 max CCW to 0255 max CW Send read NB position 0000 max CCW to 0255 max CW Send read MONI GAIN position 0000 max CCW to 0255 max CW Send read VOX gain 0000 0 to 0255 100 Send read Anti VOX gain O000 0 to 0255 100 Send read CONTRAST level O000 0 to 0255 100 Send read BRIGHT level O000 0 to 0255 100 Read squelch state squelch close Read squelch state squelch open Read S meter level 0000 S0 0120 S9 0240 S9 60 dB Read RF power meter O000 0 0141 50 0215 100 Read SWR meter OOOO SWR1 0 0041 SWR1 5 0081 SWR2 0 0120 SWR3 0 Read ALC meter 0000 Min 0120 Max Read COMP meter 0000 0 dB 0120 15 dB 0240 30 dB Send read Preamp OFF Send read Preamp 1 ON Send read Preamp 2 ON Send read AGC FAST Send read AGC MID Send read AGC SLOW Send read Noise Blanker OFF Send read Noise Blanker ON Send read Noise Reduction OFF Send read Noise Reduction ON Send read Auto Notch function OFF Send read
171. y France Spain Russia and or other countries Microsoft Windows and Windows Vista are registered trademarks of Microsoft Corporation in the United States and or other coun tries All other products or brands are registered trademarks or trade marks of their respective holders SUPPLIED ACCESSORIES The transceiver comes with the following accessories 1 Hand microphone 2 DC power cable 3 Spare fuse ATC 5 A 4 Spare fuse ATC 30 A ACC cable 6 6 3 d mm plug T Ferrite EMI filter 1 Differs depending on the version 2 Not supplied with the non European versions FCC INFORMATION e FOR CLASS B UNINTENTIONAL RADIATORS This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equip ment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guar antee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interfer ence by one or more of the following measu

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