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1. 4 Rotate the main band s DIAL to select the desired IF passband width 5 Push any key for the main band to exit set mode BASIC OPERATION 4 E IF shift function sne SET MODE The IF shift function electronically changes the passband fre quency of the IF Intermediate frequency cutting out higher or lower frequency components of the IF to reject interfer ence This function is available when the receive mode is SSB or CW mode and shifts the IF frequency up to 25 steps in 1 step 50 Hz 1 After pushing MAIN to select the desired band left or right as the main band push SET SKIP to enter set mode 2 Push SET SKIP or ATT PRIO several times until SFt appears SET SKIP ca LO Gam o 09 DIAL 3 Rotate the main band s DIAL to set the shifting direction and frequency range Center position default Lowest Highest 4 Push any key for the main band to exit set mode 4 BASIC OPERATION E Duplex operation Duplex communication uses two different frequencies for transmitting and receiving Generally duplex is used in com munication through a repeater some utility communications etc During duplex operation the transmit station frequency is shifted from the receive station frequency by the offset fre quency Repeater information offset frequency and shift di rection can be programmed into memory channels p 24 O Setting e
2. Icom Icom Inc and the Tcom logo are registered trademarks of Icom Incorporated Japan in the United States the United Kingdom Ger many France Spain Russia and or other countries SUPPLIED AGGESSORIES QD ANtenna OE 1 2 AC adapter amrvenennvranrennernerennvrnvrsnrennerserennennersene 1 UP de ersesaeouios 1 DOD ster nE E E EE E EER 1 5 Foot pad sheet nuennenissnsssnaesmsemesnsesneidsende 1 Cable hanger ooccccocccccnncccnnnoccnnnnccnnnnncnnnnnccnnnnicnnns 1 Not supplied with some versions SPEGIFICATIONS Specifications are provided in the IC PCR1500 IC PCR2500 s Instruction manual OPTIONS UT 106 DSP UNIT Provides AF DSP functions such as noise reduction and auto notch UT 108 DTMF DECODER UNIT Provides DTMF decode function for sub band UT 118 DIGITAL UNIT Provides DV digital mode operation UT 122 DIGITAL UNIT Provides P25 digital mode operation CP 12L CIGARETTE LIGHTER CABLES For operation and charging via a 12 V cigarette lighter socket OPC 254L pc POWER CABLES For operation and charging via an external power supply SP 10 EXTERNAL SPEAKER For all round mobile operation Cable length 1 5 m 4 9 ft OPC 1156 SEPARATION CABLE For extended separate installation 3 5 m 11 5 ft MB 84 REMOTE CONTROLLER BRACKET Mounts the remote controller in a convenient location MB 65 MOUNTING BASE Mounts the controller with the MB 84 Adjustable angle and direction
3. SETTING A FREQUENCY 3 3 Rotate the same band s DIAL to select the desired tun ing step 0 dessa DIAL EEE 4 Push MHz TS to exit tuning step select mode e Or push any other keys for the same band or any of the shared keys below the display to exit tuning step select mode 3 SETTING A FREQUENCY E Using the tuning dial Rotate the desired band s DIAL to set the frequency elf VFO mode is not selected push the same band s VFO MR S MW to select VFO mode e The frequency changes in the selected tuning steps p 12 0 ge A Rotate DIAL Cia aaa 2 To change the frequency band or tune in 1 MHz 10 MHz steps push MHz TS then rotate the band s DIAL While the band selection mode is selected the digits below 100 kHz disappear While 10 MHz tuning step is While 1 MHz tuning step is selected the 10 MHz digit selected the 1 MHz digit blinks blinks 3 Push MHz TS to return to the normal display E Receive mode selection Receive modes are determined by the physical properties of the radio signals The receiver has 6 receive modes USB LSB CW AM WFM and FM modes The mode selection is stored independently in each memory channel Additionally IC R2500 has a DV or P25 mode when the op tional UT 118 or UT 122 units are installed respectively In DV or P25 mode the right band can select AM FM and WFM mode only Typically AM mode is u
4. 4 When the CTCSS tone frequency or 3 digit DTCS code is matched the squelch opens and the tone frequency is temporarily programmed into the VFO or memory channel e The tone scan pauses when a CTCSS tone frequency or 3 digit DTCS code is detected e The decoded CTCSS tone frequency or 3 digit DTCS code is used for the tone decoder depending on the selected tone con dition or type in step p CTCSS tone decoder p DTCS tone decoder 5 Or push any key for the main band or any of the shared keys below the display to stop the scan r NOTE The decoded tone frequency is programmed tem porarily when a memory is selected However this will be replaced by the programmed information when the mem ory channel is re selected ONS 43 9 DIGITAL MODE OPERATION UT 118 or UT 122 s installation is described in the IC PCR2500 s Instruction manual See the installation details E Digital mode operation The IC R2500 can operate in DV mode or P25 mode when the optional UT 118 or UT 122 is installed 1 The optional UT 118 is required 2 The optional UT 122 is required Some versions come with the UT 122 installed Select the left band as the main band Push MAIN AGC once to select left band if necessary 2 Set the operating frequency in digital mode 3 Push MODE SCAN to enter receive mode select mode MAIN AGC 28 MODE SCAN 30 DIAL 85 4 Rotate left band s DIAL
5. QQ VA AN VFO MR S MW MHz TS ROl Jo SS 0 Bo DIAL Weather channel group indicaiton 3 Rotate DIAL to select the weather channel group 4 Push any key for main band or any of the shared keys below the display to set the channel indication e Channel number appears 5 Rotate DIAL to select the desired weather channel 6 To return to regular memory mode repeat steps to and select bAnk at step 21 4 BASIC OPERATION Weather alert function NOAA broadcast stations transmit weather alert tones before important weather announcements When the weather alert function is turned ON the selected weather channel is moni tored each 5 sec for the announcement When the alert sig nal is detected the ALt and the WX channel are displayed alternately and sounds a beep tone until the receiver controls are manipulated The previously selected weather channel is checked periodically during standby or while scanning Select the desired weather channel 2 Turn the weather alert function ON in set mode e Push MAIN to select the desired band left or right as the main band in advance Push SET SKIP to enter set mode Push SET SKIP or ATT PRIO to select the weather alert item then rotate the main band s DIAL to set ON Push any key for main band to exit set mode 3 Select the desired stand by condition e Select VFO or memory channel e
6. 46 e Pocket beep CTCSS tone squelch pocket beep DTCS DTCS squelch or tone function OFF can be selected in FM mode e Pocket beep DSQL digital call sign squelch pocket beep CSQL digital code squelch or digital squelch function OFF can be selected in DV mode e Pocket beep NAC digital NAC squelch pocket beep Se lective digital selective squelch or digital squelch function OFF can be selected in P25 mode 1 The optional UT 118 is required 2 The optional UT 122 is required Some versions already come with the UT 122 installed Push and hold for 1 sec during tone function selection mode to start the tone scan p 42 4 2 PANEL DESCRIPTION The same controls for both the left and right bands are arranged symmetrically Left band pic GIT CIN SSB CW AM FM HAL J CACAH ACAD HAL EE MAAL Sy gt i fs r B DoD LM DD RIO D cunrcllll mener spredt ES EKIP pen Right band Ga MAIN AGC KEY MAIN AGC Push to select the left band as main band p 11 Push and hold for 1 sec to turn the AGC Automatic Gain Control function ON and OFF p 16 b MAIN NB KEY MAIN NB Push to select the right band as main band p 11 Push and hold for 1 sec to turn the NB Noise Blanker function ON and OFF p 16 OQ VFO MEMORY MEMORY WRITE KEY VFO MR S MW Push to select from VFO memory and weather chan nel modes pgs 11 20 23 Weather c
7. The channel is skipped during scan and the pro grammed frequency is skipped during VFO scan such as programmed scan SET SKIP VFO MR S MW ml T 0 Casa 0 DIAL gt The display shows that memory channel 16 is set as a skip channel SCAN OPERATION 6 Skip scan setting 1 Push the main band s VFO MR S MW once or twice to select VFO mode 2 Push SET SKIP to enter set mode 3 Push SET LOCK or ATT PRIO several times until PSC appears SET SKIP veomes mw Teal he SS Q Jesse DIAL mee 4 Rotate the main band s DIAL to toggle the skip scan function ON and OFF 5 Push any key for the main band to exit set mode 6 Then start the scan to activate the skip scan memory skip scan or frequency skip scan using SET MODE 37 6 SCAN OPERATION E Scan resume condition The scan resume condition can be selected a timed timer or pause scan The selected resume condition is also used for priority watch p 38 The display shows that the scan will resume 15 sec after it stops 1 Push MAIN AGC or MAIN NB to select the desired band left or right as the main band 2 Push SET SKIP to enter set mode SET SKIP MAIN AGC la p MAIN NB BM on HL eel O 06380 0 3 Push SET SKIP or ATT PRIO several times until SCt or SCP appears SET SKIP ATT PR
8. The received AF signals are converted to digital signals and then the desired signals are separated from the noise This function is available for all operating modes 1 Select the desired band left or right as main band 2 Push SET SKIP to enter set mode 3 Push SET SKIP or ATT PRIO several times until nr appears SET SKIP in Sal 9 lo 0 SE DIAL IMA 4 Rotate same band s DIAL to select the NR level from 1 to 15 or OFF 000 LE r wn cose IED wesw 5 Push any key for main band to exit set mode OTHER FUNCTIONS 11 E DATA cloning IC PCR2500 control software must be installed Cloning allows you to quickly and easily transfer the pro grammed contents from a personal computer to a receiver using the IC PCR2500 control software Cloning using a personal computer Data can be cloned to and from a personal computer Mi crosoft Windows XP 2000 Me 98SE and other settings can also be programmed from a PC Consult the IC PCR1500 IC PCR2500 s Instruction manual for cloning details Main unit AAA i B cable to ground US Ei gt to AC adapter to USB port Microsoft and Windows are registered trademarks of Microsoft Corporation in the U S A and other countries O Available functions Reading or writing Clone data Programming memory channels memory banks scan edges Programming set mode settings Transferring the data of PC PCR2
9. or MONI T T SCAN to move the cursor RX RPT1 call sign indication This item stores and indicates the newest received RPT1 call sign The received call sign is cleared once the receiver is turned OFF This item appears when optional UT 118 is installed and Optional items setting p 58 is ON Appears BBBBBB Call sign example e Push MODE SCAN or MONI T T SCAN to move the cursor RX RPT2 call sign indication This item stores and indicates the newest received RPT2 call sign The received call sign is cleared once the receiver is turned OFF gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON LER EEL Area CCCCCC Call sign example e Push MODE SCAN or MONI T T SCAN to move the cursor RX message indication This item stores and indicates the newest received message The received message is cleared once the receiver is turned OFF This item appears when optional UT 118 is installed and Optional items setting p 58 is ON s Appears re VE 3 HELLO Message example e Push MODE SCAN or MONI T T SCAN to move the cursor RX call sign with message indication This item stores and indicates the newest received call sign with message The received call sign is cleared once the re ceiver is turned OFF gt This item appears when optional UT 118 is installed and Optional items setting p 58 is
10. p 34 Band Scan edges Band edge A O edge Scan ALL SELECTED BANK SCAN p 34 Repeatedly scans between two user programmed fre quencies Used for checking for frequencies within a speci fied range such as repeater output frequencies etc Repeatedly scans all bank channels or selected bank channels Skip scan is also available E Scan start stop Preparation Scan resume condition p 37 program scan edges p 35 program two or more memory channels p 24 set skip set tings p 36 if desired Operation DPush VFO MR S MW once or twice to select VFO mode for full orogrammed scan or to select memory mode for memory bank scan e Select the desired bank in memory type selection mode for bank scan 2 Set the squelch level to the point where noise is just muted 3 Push and hold MODE SCAN for 1 sec to start the scan e To change the scanning direction rotate the main band s DIAL e The memory channel readout blinks the scan type as below e During full scan Push SET SKIP to se Indicates scan edge channels e PO1 stands for 01A 01B lect full ALL or program med scan P00 P49 in sequence lected with SET SKIP While pushing and holding MODE SCAN rotate DIAL also to select full ALL or programmed scan POO P49 e During programmed scan e POO to P49 are available when they are programmed and se SCAN OPERATION 6 IMPORTANT To perf
11. s DIAL to toggle the AFC function ON and OFF 6 Push any key for the main band to exit set mode E VSC function ene SET MODE The VSC Voice Squelch Control function opens the squelch only when receiving a modulated signal This function is very useful while scanning the VSC pauses only when modulated signals are received Scanning continues when unmodulated or beat signals are received 1 Push the desired band s MAIN to select the main band 2 Push SET SKIP to enter set mode 3 Push SET SKIP or ATT PRIO several times until VSC appears SET SKIP ATT PRIO S SS O oom o 0 o DIAL 4 Rotate the main band s DIAL to toggle the VSC function ON and OFF LAIT Cad IN an 5 Push any key for the main band to exit set mode E IF filter selection ne SET MODE The receiver has 2 to 4 IF passband filter widths for each mode Selectable passband widths are 3 6 15 50 and 230 depending on the selected mode e Selectable passband width for each mode SSB mode 3 2 8 kHz or 6 kHz CW mode 3 2 8 kHz or 6 kHz AM mode 3 2 8 kHz 6 kHz 15 kHz or 50 kHz WFM mode 50 kHz or 230 kHz FM mode 6 kHz 15 kHz or 50 kHz 1 Push the desired band s MAIN to select the main band 2 Push SET SKIP to enter set mode 3 Push SET SKIP or ATT PRIO several times until VSC appears SET SKIP MEN amp 00560 DIAL
12. to select the desired digital mode 5 Push any key to exit receive mode select mode E Pocket beep operation This function uses digital code call sign for calling and can be used as a common pager to inform you that someone has called while you were away from the receiver The digital code or digital call sign squelch does not function during low speed data communication in DV mode Waiting for a call from a specific station Select the left band as the main band Push MAIN AGC once to select left band if necessary 2 Set the operating frequency in DV P25 mode 3 Program the digital code or call sign in set mode Push SET SKIP to enter set mode SET SKIP Ola o T ATT PRIO Push SET SKIP or ATT PRIO several times until OPt appears then rotate left band s DIAL to select On Push SET SKIP or ATT PRIO several times until de sired item appears e CAL when programming the calls sign for the digital call sign squelch in DV mode ACA when programming the digital code squelch in DV mode e nA when programming the NAG code for the digital NAC squelch in P25 mode e t1 and U1 when programming the TGID and Unit ID for the digital selective squelch 4 Rotate the left band s DIAL to select the desired call sign or code e Push MODE SCAN or MONI T T SCAN to move the cursor MONI T T SCAN D
13. 2 hours and OFF can be specified The spec ified period is retained even when the receiver is turned OFF by the auto power OFF function To cancel the function select OF for this item in set mode default OFF O Display dimmer Adjust the display lighting level The levels 1 dark to 4 bright default are available 53 10 SET MODE O Display color The display color can be set to amber default or green Amber setting Green setting O Display contrast The LCD contrast can be adjusted through 9 levels default 5 Duplex direction Sets the duplex direction The displayed frequency shifts by the programmed offset frequency see next item when mon itor function is in use pushing MONI T T SCAN e OFF Simplex operation default e DUP The displayed frequency shifts down during mon itor e DUP The displayed frequency shifts up during monitor O Offset frequency Sets the duplex offset frequency for each frequency band in dependently within a O to 1000 MHz range During duplex op eration DUP or DUP the monitoring frequency pushing MONI T T SCAN shifts by the offset frequency The default value may differ according to the selected fre quency band before accessing set mode and receiver version The selected tuning step in VFO mode is used for setting the offset frequency Tone frequency Sets subaudible tone frequency for tone squelch operation Total
14. Regular memory channels 0 to 999 may assigned into the desired bank for easy memory management D Select the desired memory channel Push VFO MR S MW to select memory mode in the main band then rotate the same band s DIAL to se lect the desired memory channel UD and memory channel number appear Q Push and hold the same band s VFO MR S MW for 1 sec to enter select memory write mode P indicator and the memory channel number blink 3 Push SET SKIP once to select bAnk released l After SET SKIP MEMORY OPERATION 5 using SET MODE SET SKIP VFO MR S MW ATT PRIO O _ oe 20 DIAL 4 Rotate the same band s DIAL to select the desired bank and bank channel e Push ATT PRIOQ to toggle the bank or bank channel selection e Banks A to H J to R T U W and Y are available e Only vacant bank channel numbers will be displayed Bank channel selection Bank selection 5 Push and hold VFO MR S MW for 1 sec to program the bank and exit select memory write mode 31 D MEMORY OPERATION E Memory bank selection 1 Push VFO MR S MW to select memory mode in the de sired band left or right 2 Push MHz TS to enter memory type selection mode VFO MR S MW gt MHz TS 2 SSS Ceas 0 DIAL gt 3 Rotate the same band s DIAL to select the desired bank A to H J to R T
15. Scan or priority watch operation can also be selected 4 When the alert is detected a beep sounds and the follow ing indication will be displayed BUSY Coi Shows above indications alternately 5 Turn the weather alert function OFF in set mode 7 NOTE While receiving a signal on a frequency other than 7 the weather alert ON frequency the receiving signal or 7 audio will be interrupted momentarily every 5 sec approx Y A ee Y in case the alert function is turned ON This is caused by 7 the WX alert function To eliminate the interruptions set the f weather alert item OFF in set mode SSN SS E Single band operation Single band Dualwatch operation Dualwatch operation monitors two frequencies simultane ously The IC R2500 has two independent receiver circuits left band and right band available frequencies operating mode and functions are different depending on bands Single band operation is useful when only one frequency is being watched The right band can be inhibited Select the left band as the main band Push MAIN AGC once to select left band if necessary Push SET SKIP to enter set mode G Push SET SKIP or ATT PRIO several times to select SUb item 4 Rotate the left band s DIAL to turn the sub band ON for dualwatch or OFF for single band operation MAIN AGC aa e SET SKIP DIAL 9 Oooes 2 ATT PRIO 5 Push any key for main band to e
16. blinking manually push any key DIGITAL CD p BUSY BUSY NE NVE er A N 9 Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate left band s DIAL to cancel the digital squelch function e OFF is selected for turning the function OFF E Digital squelch operation While in DV mode operation the digital call sign DSQL or digital code squelch opens only when receiving a voice signal with the same pre programmed digital call sign or code re spectively While in P25 mode operation 2 types of digital squelch NAC or Selective are available NM Select the left band as the main band Push MAIN AGC once to select left band if necessary 2 Set the operating frequency in DV P25 mode 3 Program the digital code or call sign in set mode Push SET SKIP to enter set mode SET SKIP ATT PRIO Push SET SKIP or ATT PRIO several times until OPt appears then rotate left band s DIAL to select On Push SET SKIP or ATT PRIO several times until de sired item appears e CAL when programming the calls sign for the digital call sign squelch in DV mode ACA when programming the digital code squelch in DV mode e nA when programming the NAC code for the digital NAC squelch in P25 mode e t1 and U1 when programming the TGID and Unit ID for the digital selective squelch 4 Rotate the left ba
17. conse quently their spacing is narrow compared to units having 38 tones Therefore some tone frequencies may receive Y interference from adjacent tone frequencies NILS Available DTCS code list Calling a waiting station using pocket beep A subaudible tone matched with the station s CTCSS tone fre quency or 3 digit DTCS code with the correct polarity is nec essary Use the tone squelch on the next page p 41 41 8 POCKET BEEP AND TONE SQUELCH E Tone DTCS squelch operation The tone or DTCS squelch opens only when receiving a sig nal with the same pre programmed subaudible tone or DTCS code You can silently wait for a signal using the same tone NM Set the operating frequency in FM mode e Push MAIN to select the desired band left or right as the main band in advance 2 Program the CTCSS tone frequency or DTCS code in set mode p 39 3 Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate the main band s DIAL until gt or appears in the function display DTCS setting Tone squelch setting 4 When a signal with a matching tone is received the squelch opens and the receiver emits audio e When the received signal includes an unmatched tone the squelch does not open However the S meter indicator shows the received signal strength e To open the squelch manually push MONI T T SCAN 5 To cancel the tone squelch or DTCS squelch
18. function re peat steps Q until OFF appears then push any key Reverse action for tone or DTCS squelch Enter tone squelch selection mode as described in steps to as shown left then rotate the main band s DIAL to select either reverse action for the tone or DTCS squelch as below for Tone squelch for DTCS How does the Reverse action work When the reverse action is selected for either the tone squelch tSqL r or DTCS squelch dtCS r and a signal with the matched tone or DTCS is received the squelch closes and the receiver mutes the signal You can listen to signals with any tone other than the specified tone E Tone scan By monitoring a signal using with pocket beep tone or DTCS squelch you can determine the tone frequency or DTCS code necessary to open the squelch 1 Set the desired operating frequency or memory channel to be checked for a tone frequency or code e Push MAIN to select the desired band left or right as the main band in advance 2 Push and hold MONI T T SCAN for 1 sec and rotate the main band s DIAL to select the tone type tone squelch or DTCS to be scanned e Either gt or D appears 3 Push and hold MONI T T SCAN for 1 sec to start the tone scan e To change the scanning direction rotate the main band s DIAL During CTCSS frequency scan During DTCS code scan POCKET BEEP AND TONE SQUELCH 8
19. of 51 tone frequencies 67 0 254 1 Hz are available default 88 5 Hz e Available tone frequency list 206 5 241 8 210 7 250 9 SETMODE 10 DTCS code Sets DTCS code for DTCS squelch operation Total of 104 codes 023 754 are available default 023 Available DTCS code list O DTCS polarity Selects DTCS polarities from n normal and r reverse default n normal default reverse 55 10 SET MODE O VSC setting Turns VSC Voice Squelch Control ON and OFF default OFF Scan resume timer Selects scan resume timer from SCT 15 default SCT 10 SCT 5 and SCP 2 Scan resumes after the specified period when the received signal disappears e SCT 15 10 5 Scan pauses for 15 10 5 sec when the received signal disappears Scan pauses on a signal until signal dis appears then resumes 2 sec after the signal disappears e SCP 2 O Program scan skip setting Sets the program scan skip setting ON and OFF for VFO scan operation such as programmed scan default ON This item appears when set mode is accessed from VFO mode only Scan skip area setting Sets the pre programmed scan skip area setting ON and OFF for VFO scan operation such as programmed scan This item appears only when the scan skip area setting is pro grammed by cloning p 66 and set mode is accessed from VFO mode SET MODE 10 Memory name setting Sets memory name appearance ON appea
20. 500 to receiver R2500 or receiver R2500 to PC PCR2500 Automatic mode settings e The automatic mode setting automatically sets the receive mode IF filter passband width tuning step etc after inputting frequency ranges Skip area settings e The skip area setting is available for skipping unwanted fre quency ranges that inconveniently stop scanning 67 11 OTHER FUNCTIONS E Partial reset ar POWER ON If you want to initialize the operating conditions VFO fre quency VFO settings set mode contents without clearing the memory contents a partial reset function is available While pushing either band s VFO MR S MW turn the power ON to partially reset the both bands at same time VFO MR S MW VFO MR S MW E All reset The function display may occasionally display erroneous in formation e g when first applying power This may be caused externally by static electricity or by other factors If this problem occurs turn power OFF After waiting a few seconds turn power ON again If the problem persists per form the following procedure e Partial resetting is also available See left for details 7 IMPORTANT Resetting the receiver CLEARS all memory information and initializes all values in the receiver to their default set 2 tings AT POWER ON MO aL While pushing both band s MHz TS turn the power ON to reset the CPU Bl LA mHzTs EN O Sse mers While pushing both MH
21. 8 is required Pin 2 RxD Pin 5 GND to the DATA jack GND i RxD m 2 5 d mm Less than 9 6 10 d mm RS 232 DB 9 female PACKET JACKS PACKET Connect a TNC Terminal Node Controller etc for data communications The receiver can support 9600 bps packet communication AFSK PANELDESCRIPTION 2 USB CONNECTOR USB Connects to a PC via a supplied USB cable This connec tor is only used for control software operation e No connection is necessary when the IC R2500 s controller is in SE 7 CAUTION NEVER insert any other object than a USB Uy cable such as a metallic object otherwise the Main unit Y may be damaged E OQ EXTERNAL SPEAKER JACK EXT SP Connect an 8 Q external speaker e Audio output power is more than 0 5 W CONTROLLER CONTROLLER Connects to a controller via an extension cable This con nector is only used for IC R2500 s controller operation e No connection is necessary when the control software is in use 7 CAUTION NEVER insert any other object than the con y troller cable such as a metallic object otherwise the 7 Main unit may be damaged MMS O POWER JACK DC IN Accepts 12 V DC 15 via the supplied DC power cable GROUND TERMINAL GND Connect this terminal to a ground 3 E Preparation Turning power ON OFF PWR o Push PWR o for 1 sec to turn power ON and OFF MAIN band The IC R2500 can receive signals on both th
22. ATT PRIO several times until OPt 6 Push MODE SCAN to select 2nd digit then rotate main appears then rotate main band s DIAL to select On band s DIAL to select the desired character or code VFO MR S MW Boa a epeat this step for programming your own call sign T 0 aseo DIAL gt vI A 6 Push any key for the main band to exit set mode 3 Push SET SKIP or ATT PRIO several times until cal appears e The 1st digit blinks If the wrong call sign or code is programmed the digital squelch will not open Please make sure of the correct call sign or code before programming 47 E ID code programming for P25 mode Sets the desired NAC code for P25 digital NAC squelch or TGID Unit ID for P25 digital Selective squelch operation 1 Push SET SKIP to enter set mode 2 Push SET SKIP or ATT PRIO several times until OP appears then rotate main band s DIAL to select On SET SKIP VFO MR S MW la fa a T 0 Casa 0 DIAL gt vr a AN 3 Push SET SKIP or ATT PRIO several times until na appears e The 1st digit blinks e NAC code is selectable from 0 FFF 4 Rotate main band s DIAL to select the desired code e Push MODE SCAN or MONI T T SCAN to move the cursor to right or left respectively DIGITAL MODE OPERATION 9 vene SET MODE Push MODE SCAN to select 2nd digit then ro
23. ET SKIP several times to select the memory name programming condition m nAmE e Frequency readouts disappear and a cursor blinks 4 Rotate the same band s DIAL to select the desired char acter e The selected character blinks Push ATT PRIO to move the cursor to the right e Repeat pushing ATT PRIO to return to the first digit 6 Repeat steps and until the desired channel name is displayed 7 Push and hold VFO MR S MW for 1 sec to program the name and exit select memory write mode Push S amp C twice Repeat the previous Available characters MEMORY OPERATION 5 To indicate the channel name ne SET MODE The channel name indication can be set independenily for each memory channel 1 Select the desired memory channel in the main band Push VFO MR S MW once or twice to select memory mode then rotate the same band s DIAL to select the desired memory channel UD and memory channel number appear Push SET SKIP to enter set mode G Push SET SKIP or ATT PRIO several times to select Anm item 4 Rotate same band s DIAL to turn the memory name indi cation ON 5 Push any key for main band to exit set mode Y NOTE When no memory name is programmed the stored V frequency is displayed Zi D MEMORY OPERATION E Copying memory contents This function transfers a memory channel s contents to VFO or another memory channel This is useful when
24. IAL e 0 gt MODE SCAN 5 Push any key for the main band to exit set mode 6 Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate left band s DIAL until DJ or p appears to turn the pocket beep func tion ON with digital call sign squelch or digital code squelch for DV mode digital NAC squelch or digital selec tive squelch for P25 mode respectively DIA __ liste O MONI T T SCAN DIGITAL MODE OPERATION e DV mode operation Appears when the pocket beep with digital call sign squelch is turned ON P25 mode operation Appears when the pocket beep with digital Selective squelch is turned ON Appears when the pocket beep with digital code squelch is turned ON Appears when the pocket beep with digital NAC squelch is turned ON 45 9 DIGITAL MODE OPERATION 7 Push any key for the main band or any of the shared keys below the display to exit tone squelch selection mode DIGITAL DIGITAL Appears when the pocket beep is activated DV with digital code squelch P25 with digital selective squelch P25 with digital NAC squelch Appears when the pocket beep is activated DV with digital call sign squelch When a signal with a matching code call sign is received the receiver emits beep tones and blinks e Beep tones sound for 30 sec and blinks To stop the beeps and
25. IO a p USING SET MODE 4 Rotate the main band s DIAL to set the desired timer e SCP 2 Scan pauses until the signal disappears and then resumes 2 sec later e SCt 15 Scan pauses 15 sec while receiving a signal e SCt 10 Scan pauses 10 sec while receiving a signal e SCt 5 Scan pauses 5 sec while receiving a signal Push any key for the main band to exit set mode E Priority watch types Priority watch checks for signals on the frequency every 5 sec while operating on a VFO frequency or scanning The receiver has two priority watch types to suit your needs The watch resumes according to the selected scan resume condition See p 37 for details Y NOTE If the pocket beep function is activated the receiver Z automatically selects the tone DTCS squelch function when priority watch starts MEMORY CHANNEL WATCH While operating on a VFO fre 5sec quency priority watch checks for a signal on the selected memory channel every 5 sec e A memory channel with skip infor mation can be watched MEMORY SCAN WATCH While operating on a VFO fre quency priority watch checks for signals on each memory chan nel in sequence e The memory skip function and or memory bank scan is useful to speed up the scan PS PRIORITY WATCH Y Ke E Priority watch operation 1 Push the main band s VFO MR S MW once or twice to select VFO mode then set an operati
26. O eel INSTRUCTION MANUAL COMMUNICATION RECEIVER IC R2500 10 Icom Inc FOREWORD Thank you for purchasing this Icom receiver The IC R2500 COMMUNICATIONS RECEIVER IS designed and built with Icom s state of the art technology and craftsmanship With proper care this receiver should provide you with years of trouble free operation We want to take a couple of moments of your time to thank you for making the IC R2500 your radio of choice and hope you agree with Icom s philosophy of technology first Many hours of research and development went into the design of your IC R2500 O FEATURES O Wide frequency coverage with all mode re ceive O Both Remote controller operation and PC control application are available O ANF and NR functions are available Only when the optional DSP unit is installed O IF shift function O Dualwatch operation Diversity operation O DV and P25 Digital modes are available Only when the specific digital unit is installed IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the receiver SAVE THIS INSTRUCTION MANUAL This in struction manual contains important operating instructions for the IC R2500 EXPLICIT DEFINITIONS WORD DEFINMON A WARNING Personal injury fire hazard or electric shock may occur CAUTION Equipment damage may occur Recommended for optimum use No risk of NOTE op personal injury fire or electric shock
27. ON DDDDDD Call sign example e Push MODE SCAN or MONI T T SCAN to move the cursor RX position indication When the transmitter sends position information this item stores and indicates the newest received position information The received position information is cleared once the receiver is turned OFF This item appears when optional UT 118 is installed and Optional items setting p 58 is ON N 34 Position information example e Push MODE SCAN or MONI T T SCAN to change the display format SET MODE 10 lt Push Push Minutes Seconds E 34 37177 E 135 32 290 East or West Degrees Position information example RX GPS message indication When the transmitter sends position information with mes sage this item stores and indicates the newest received GPS message The received GPS message is cleared once the re ceiver is turned OFF gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON Appears HELLO Message example e Push MODE SCAN or MONI T T SCAN to move the cursor 63 10 SET MODE P25 unit power setting Selects the P25 unit UT 122 power setting from Auto and ON gt This item appears when optional UT 122 is installed and Optional items setting p 58 is ON At P25 unit is turned ON automatically when digital mode is selected default On P25 unit is turne
28. Radio and Telecommunications Terminal Equipment Directive 1999 5 EC and that any applicable Essential Test Suite measurements have been performed Rore Himmelgeister straBe 100 Kind of equipment COMMUNICATIONS RECEIVER p 40225 D sseldorf Type designation I C PCR2500 R2500 pet enavo name H Ikegami General Manager Version where applicable This compliance is based on conformity with the following harmonised standards specifications or documents i Article 3 1a EN60950 1 2001 A11 2004 li Article 3 16 EN 301489 1 and EN 301489 15 Icom Inc 71 MEMO MEMO Count on us 02 Europe lt Intended Country of Use gt E GER FRA MESP ESWE MAUT ENED HM POR EDEN GBR MBEL WITA FIN MIRL MLUX MGRE HSU E NOR 03 U K lt Intended Country of Use gt GER FRA ESP SWE AUT NED POR DEN E GBR BEL ITA FIN IRL LUX GRE SUI NOR 06 France lt Intended Country of Use gt GER HMFRA ESP SWE AUT NED POR DEN GBR BEL ITA FIN IRL LUX GRE SUI NOR A 6510H 1EX 0 Icom Inc ee ee 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
29. S code squelch push SET SKIP once then rotate the main band s DIAL to select the DTCS polarity DTCS polarity setting 6 Push any key for the main band to exit set mode 7 Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate the main band s DIAL until p or BI appears to turn the pocket beep function ON with tone squelch or DTCS squelch respectively DIAL FM LED BEL I Appears when the pocket beep Appears when the pocket beep with tone squelch is turned ON with DTCS squelch is turned ON Push any key for the main band or any of the shared keys below the display to exit tone squelch selection mode Appears when the pocket beep with tone squelch is activated Appears when the pocket beep with DTCS squelch is activated 9 When a signal with a matching tone is received the re ceiver emits beep tones and blinks e Beep tones sound for 30 sec and blinks To stop the beeps and blinking manually push any key ME N Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate the main band s DIAL to cancel the tone squelch or DTCS squelch func tion e OFF is selected for turning the function OFF LE 3 N POCKET BEEP AND TONE SQUELCH 8 O Available tone frequency list 206 5 241 8 210 7 250 3 r NOTE The receiver has 51 tone frequencies and
30. T MODE 10 O Standby beep setting Sets beep emission to ON or OFF when the receiving station finishes transmission or the receiving signal disappears default ON gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON MAIN ml SN Cui LL LAT EL 4 LP wi DE DTS O Digital monitor This function is used to listen to an analog signal FM mode signal without changing the receiving mode during DV mode operation default Digital gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON 9 Auto RX call sign display When this setting is ON transmitter s call sign is displayed automatically default ON gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON PIT FIRE LOT Poo Auto RX message display When this setting is ON and the received signal includes a message the message is displayed automatically default ON gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON 61 10 SET MODE RX call sign indication This item stores and indicates the newest received call sign The received call sign is cleared once the receiver is turned OFF This item appears when optional UT 118 is installed and Optional items setting p 58 is ON Appears AAAAAA Call sign example e Push MODE SCAN
31. U W or Y e Only programmed banks are displayed 4 Push any key for the main band or any of the shared keys below the display to set the bank indication e Bank s indicator appears at top of the memory channel 5 Rotate the same band s DIAL to select the contents in the bank 6 To return to regular memory mode repeat steps 2 4 and select bAnk at step e Memory bank indication Bank indicator appears E Transferring bank contents The bank contents of programmed memory channels can be cleared or transferred to another bank 7 INFORMATION Even if the bank is cleared of memory Z channels the memory channel contents still remain pro 77 grammed 1 Select the desired bank contents to be transferred or erased from the bank in the main band Push the main band s VFO MR S MW several times to select memory mode Push the same band s MHz TS then rotate the same band s DIAL to select the desired memory bank e Bank s indicator appears at top of the memory channel Push any key for the main band or any of the shared keys below the display to select the bank then rotate the same band s DIAL to select the desired contents VFO MR S MW EN TE MHz TS o SSS ee 0 Nese DIAL 2 Push VFO MR S MW for 1 sec to enter select memory write mode e A indicator and the memory channel number blink Memory channel blinks 3 P
32. WEM are available MEMORY CHANNEL NUMBER INDICATORS RECEIVE MODE INDICATOR FOR DIGITAL Shows the selected memory channel number p 11 Appears while the digital mode is selected The optional UT 118 for DV mode or UT 122 for P25 mode is re i Shows the selected bank initial p 31 L appears when the lock function is activated p 15 quired Some versions come with the UT 122 installed O SKIP INDICATORS p 36 KP appears when the displayed memory channel is specified as a skip channel P skiP appears when the displayed frequency is speci fied as a program skip frequency 6 MEMORY INDICATOR pgs 11 23 Appears when memory mode is selected O VSC INDICATOR p 17 Appears when the VSC function is in use DS METER INDICATORS Shows the relative signal strength while receiving signals p 14 DTONE INDICATORS gt During FM mode operation O appears while the tone squelch function is in use p 41 O m appears while the DTCS squelch function is in use p 41 During DV Digital mode operation p appears while the digital call sign squelch func tion is in use p 45 O Dl appears while the digital code squelch function is in use p 45 PANELDESCRIPTION 2 During P25 Digital mode operation O p appears while the digital NAC squelch function is in use p 45 O D appears while the digital selective squelch func tion is in us
33. a O IF shift frequency setting Select the IF shift frequency up to 25 steps in 1 step 50 Hz This item appears when the receive mode is selected SSB or CW mode only Center position default Highest Sub band setting Turns the sub band setting ON and OFF On Dualwatch operation default OF Single band operation or diversity operation Squelch delay Selects squelch delay to short or long to prevent repeated opening and closing of the squelch during reception of the same signal eS Short squelch delay eL Long squelch delay Short setting Long setting ANF setting Turns ANF Automatic Notch Filter function ON and OFF The ANF function automatically attenuates up to 3 beat tones tuning signals etc even if their frequency varies The ANF function can be used in SSB AM FM and WFM modes This item appears when optional UT 106 is installed T vI I SET MODE 10 NR setting Selects NR Noise Reduction level from 1 to 15 and OFF default The NR function enhances desired signals in the presence of noise by using the DSP circuit The amount of enhancement is adjustable The NR level can result in audio signal masking Set the noise reduction level for maximum readability t This item appears when optional UT 106 is installed PAIN _ LAT FU TS 9 Optional digital items indication Turns expanded set mode for digital operation ON and OFF t Thi
34. city Make sure the ground terminal of the DC power supply is grounded The antenna holder is backed with double sided tape Remove the protective paper when the antenna is fixed to any place e CONNECTING TO A DC POWER SUPPLY Connect to a 12 V DC battery Pay attention The dualwatch operation or diversity to polarities NEVER operation requires antennas connected connect to a 24 V bat l to both ANT1 and ANT2 tery This could dam age the receiver Receiver owhite SF orcas to an optional Supplied antenna AC outlet oblack NOTE Use the terminals as shown below for the cable connections e Crimp Solder li DC power a supply 12 V ES A CAUTION NEVER remove the fuse holders from the DC power cable Fuse replacement To ground To AC adapter To a Cigarette lighter socket Ferrite core may not be present on all versions OPC 1156 connection M Connect the controller plug to the OPC 1156 jack 2 Detach the ferrite core from the controller cable then at tach it to the OPC 1156 as shown below e Make sure to wind the cable on the ferrite core 3 Connect the OPC 1156 plug to the CONTROLLER con nector of the receiver Controller Ferrite core may not be present on all versions CONNECTION 1 E Antenna installation Antenna location To obtain maximum performance from the receiver select a high quality antenna and mount it in a g
35. d ON when the receiver is pow ered ON NAC code setting Sets the desired NAC code for P25 digital NAC squelch op eration NAG code is selectable from 0 FFF default 000 This item appears when optional UT 122 is installed and Optional items setting p 58 is ON e Push MODE SCAN or MONI T T SCAN to move the cursor e Rotate main band s DIAL to select the desired code TGID code setting Sets the desired TGID code for P25 digital Selective squelch operation TGID code is selectable from 0 65535 default 0 t This item appears when optional UT 122 is installed and Optional items setting p 58 is ON e Push MODE SCAN or MONI T T SCAN to move the cursor e Rotate main band s DIAL to select the desired code O Unit ID code setting Sets the desired Unit ID code for P25 digital Selective squelch operation Unit ID code is selectable from 1 9999999 default 1 This item appears when optional UT 122 is installed and Optional items setting p 58 is ON e Push MODE SCAN or MONI T T SCAN to move the cursor e Rotate main band s DIAL to select the desired code Auto RX ID display When this setting is ON transmitter s ID is displayed auto matically default ON gt This item appears when optional UT 122 is installed and Optional items setting p 58 is ON RX Unit ID indication This item stores and indicates the newest received Unit ID The rec
36. e p 45 appears with the gt or D indicator while the pocket beep function is in use pgs 39 43 1 The optional UT 118 is required 2 The optional UT 122 is required Some versions come with the UT 122 installed PRIORITY INDICATOR p 38 Appears while priority watch is activated blinks while pri ority watch is paused ATT INDICATOR p 15 Appears when the ATT function is in use BUSY INDICATOR Appears when a signal is being received or the squelch is open p 14 Blinks while the monitor function is in use p 14 8 2 PANEL DESCRIPTION E Rear panel main unit 0 0 Speaker Left band Rear er Power switch a eeo PACKE CONTROLLER USB Y EXT SP y KO PACKET jack connection EXT SP jack connection Sy AUDIO Sve END TG mA 2 conductor 3 5 d mm 1 100 kQ 2 conductor 3 5 d mm 8 Q ANTENNA CONNECTORS ANT Connect a 50 Q antenna with a BNC connector and a 50 Q coaxial cable ANT 1 for left band ANT2 for right band Two antennas must be connected to ANT1 and ANT2 during dualwatch operation or diversity operation Diversity operation requires two antennas of the same performance in suitable places Ask your antenna dealer for installation details DATA JACK DATA Connect to a PC via an RS 232 cable D sub 9 pin for DV mode data communication in RS 232 format 1 The optional UT 11
37. e left and right bands simultaneously MAIN AG0 eg ch MAIN NB Push the desired band s MAIN AGC or MAIN NB to se lect the main band e UMN indicates the main band SETTING A FREQUENCY VFO and memory modes The receiver has 2 basic operating modes VFO mode and memory mode Select VFO mode first to set an operating fre quency VFO MR S MW ETT sn gt pb E indicator appears when memory mode is selected Push the desired band s VFO MR S MW to select VFO mode Push VFO MR S MW again to select memory mode LID indicator appears when memory mode is selected E Tuning step selection When using the tuning dial to change the frequency or when a scan function is activated the frequency changes in incre ments determined by the set tuning step This can be changed if desired The following tuning step are available 0 01 kHz 10 Hz 0 02kHz 20Hz 0 05 kHz 50 Hz e 0 1 kHz 100 Hz 0 5kHz 500 Hz 1 kHz e 2 5 kHz e 5 kHz e 6 25 kHz 8 33 kHz e 9 kHz e 10 kHz e 12 5 kHz e 15 kHz e 20 kHz e 25 kHz e 30 kHz e 50 kHz e 100 kHz e 125 kHz e 150 kHz e 200 kHz 500 kHz e 1000 kHz 1 MHz 1 Push the desired band s MAIN to select the main band e Push the same band s VFO MR S MW to select VFO mode if necessary 2 Push and hold MHz TS for 1 sec to enter tuning step se lect mode IMHz TS ja pl
38. eived ID is cleared once the receiver is turned OFF This item appears when optional UT 122 is installed and Optional items setting p 58 is ON nn Appears 1000001 Unit ID example SET MODE 10 RX TGID indication This item stores and indicates the newest received TGID The received ID is cleared once the receiver is turned OFF t This item appears when optional UT 122 is installed and Optional items setting p 58 is ON 10000 TGID example Appears 65 11 OTHER FUNCTIONS UT 106 installation is described in the IC PCR2500 s Instruction manual See the installation details E DSP operation Optional UT 106 is required using SET MODE ANF function The ANF Automatic Notch Filter function automatically at tenuates beat tones tuning signals etc even if they re fre quency changes This function can be activated in SSB AM FM modes M Select any of SSB AM or FM mode in the desired band left or right 2 Push SET SKIP to enter set mode 3 Push SET SKIP or ATT PRIO several times until AnF appears SET SKIP ATT PRIO Sn SS LO do e 0 DIAL 4 Rotate same band s DIAL to toggle the ANF function ON and OFF I 5 Push any key for main band to exit set mode vene SET MODE NR function The NR Noise Reduction function reduces noise compo nents and picks out desired signals which are buried in noise
39. erring the contents of memory channel 22 to channel 23 Push to select memory mode Rotate O for selecting memory channel Push for 1 sec D MEMORY OPERATION E Memory clearing Contents of programmed memories can be cleared erased if desired 1 Push VFO MR S MW to select VFO mode in the main band 2 Push the same band s VFO MR S MW for 1 sec to enter select memory write mode P indicator and the memory channel number blink 3 Rotate the same band s DIAL to select the memory channel to be cleared e Memory channels not yet programmed are blank EXAMPLE Clearing memory channel 20 Push to select VFO Push for 1 sec Push Sh C three times then push for 1 sec 4 Push SET SKIP three times to select CLEAR then push and hold VFO MR S MW for 1 sec e 3 beeps sound e The cleared channel display changes to blank P and the memory channel number blink continuously 5 Push the same band s MAIN or MHz TS to exit select memory write mode or repeat steps Q and 4 to clear an other channel 6 Push the same band s VFO MR S MW to return to VFO mode NOTE Be careful the contents of cleared memories CANNOT be recalled Rotate O for selecting memory channel PAIN add Push any switch for main band other than VE8M then push to return to VFO E Memory bank setting The IC R2500 has a total of 21 banks A to H J to R T U W Y
40. for optimum positioning The optional units UT 106 UT 108 UT 118 UT 122 installations are described in the IC PCR1500 IC PCR2500 s Instruction man ual PRECAUTIONS AWARNING NEVER connect the receiver via the OPC 254L to an AC outlet This may pose a fire hazard or re sult in an electric shock A WARNING NEVER operate the receiver while dri ving a vehicle Safe driving requires your full attention any thing less may result in an accident NEVER connect the receiver to a power source of more than 14 V DC This will damage the receiver NEVER connect the receiver to a power source using re verse polarity This will damage the receiver NEVER cut the DC power cable between the DC plug and fuse holder If an incorrect connection is made after cutting the receiver may be damaged DO NOT leave the main unit powered ON and connected to a vehicle s electrical system The main unit draws approx 550 mA This will eventually drain the vehicle s battery NEVER expose the receiver to rain snow or any liquids The receiver may be damaged NEVER operate or touch the receiver with wet hands This may result in an electric shock or damage the receiver NEVER place the receiver where normal operation of the vehicle may be hindered or where it could cause bodily injury NEVER let objects impede the operation of the cooling fan on the rear panel AVOID using or placing the receiver in direct sunlight or in areas wi
41. hannels available for USA CANADA versions only Push and hold for 1 sec to enter select memory write mode for memory channel programming pgs 24 25 35 MHz TUNING TUNING STEP MHz TS Push to select from band selection 1 MHz or 10 MHz tuning p 13 Push and hold for 1 sec to enter tuning step select mode p 12 e Rotate DIAL to select the desired tuning step PANEL DESCRIPTION 2 O VOLUME CONTROL VOL p 14 Adjusts the audio level for left and right band TUNING DIAL DIAL Selects the operating frequency p 13 memory channel p 23 the setting of the set mode item and the scanning direction p 34 for left and right band SQUELCH CONTROL SQL Varies the squelch level for left and right band p 14 6 2 PANEL DESCRIPTION m E Function display me CW AM FM A A per ACA PACALAC NG ALALA LALALA TO NA MSIS EVE EE 5 ote Tae a an ect pel o OS et A A e 00000 040 0000 Display indicators are arranged identically for both the left and right bands O AUTO POWER OFF INDICATOR p 52 Appears while the auto power OFF function is activated MAIN INDICATOR p 11 Indicates the main band for function control RECEIVE MODE INDICATORS FOR ANALOG FREQUENCY READOUT Shows the selected receive mode Shows the operating frequency channel names set mode contents etc Frequency decimal point blinks while scanning p 34 SSB LSB USB CW AM and FM FM
42. he desired band left or right as the main band push and hold MAIN NB for 1 sec to toggle the NB function ON and OFF e nb Or or nb OF appears for a moment when the NB function is turned ON or OFF respectively FIL BASIC OPERATION 4 E AGC function The AGC Automatic Gain Control function controls receiver gain to produce a constant audio output level even when the received signal strength varies from fading etc A slow re sponse AGC function is selectable for SSB CW or AM mode After pushing MAIN to select the desired band left or right as the main band push and hold MAIN AGC for 1 sec to toggle the AGC function Slow and Fast e AGC S or AGC F appears for a moment when the AGC func tion is selected Slow or Fast respectively MAIN AGC a6 7 While in FM or WFM mode the AGC function is fixed as Uj Fast and AGC Slow cannot be selected 4 BASIC OPERATION vene SET MODE E AFC function The AFC Automatic Frequency Control function tunes the displayed frequency automatically when an off center fre quency is received It activates in FM mode and only when the selected IF filter is 6 kHz or 15 kHz 1 Push the desired band s MAIN to select the main band 2 Select FM mode 3 Push SET SKIP to enter set mode 4 Push SET SKIP or ATT PRIO several times until AFC appears SET SKIP 5 Rotate the main band
43. ing step p 12 e Attenuator ON OFF p 15 e IF filter selection p 18 e Duplex direction DUP or DUP with an offset fre quency p 19 e Squelch control system ON OFF and its frequency or code pgs 39 41 43 45 e Scan skip information p 36 etc E Memory channel selection 1 Push the desired band s VFO MR S MW once or twice to select memory mode QQ indicator appears VFO MR S MW ATP indicator appears when memory mode is selected 2 Rotate the same band s DIAL to select the desired mem ory channel e Programmed memory channels only can be selected If memory banks or weather channels mode appears at step push MHz TS and rotate DIAL to select bAnk then push any keys for the main band or any of the shared keys below the display to return to channel se lection Available for USA CANADA versions only MEMORY OPERATION 5 E Programming a memory channel VFO settings including the set mode contents such as sub 3 Rotate the same band s DIAL to select the memory chan audible tone frequency offset and scan skip information can nel to be programmed be programmed into a memory channel e Memory channels not yet programmed are blank 4 Push and hold VFO MR S MW for 1 sec to program 1 Set the desired frequency in the desired band left or right e 3 beeps sound gt Push the desired band s VFO MR S MW once or twice e Memory channel
44. nd s DIAL to select the desired call sign or code e Push MODE SCAN or MONI T T SCAN to move the cursor MONI T T SCAN DIAL e mr gt MODE SCAN 5 Push any key for the main band to exit set mode 6 Push and hold MONI T T SCAN for 1 sec to enter tone squelch selection mode then rotate left band s DIAL until p or D appears in the function display MONI T T SCAN DIGITAL MODE OPERATION 9 Digital squelch OFF e DV mode operation Digital call sign squelch P25 mode operation Digital selective squelch Digital NAC squelch 7 When a signal with the matched code call sign is received the squelch opens and the receiver emits audio e When the received signal includes an unmatched code call sign the squelch does not open However the S meter indicator shows the received signal strength e To open the squelch manually push MONI T T SCAN To cancel the digital squelch function repeat steps until OFF appears then push any key 9 DIGITAL MODE OPERATION E Call sign programming for DV mode ne SET MODE Sets your own call sign for digital call sign squelch operation 4 Rotate main band s DIAL to select the desired character Up to 8 characters are programmable or code e Push MODE SCAN or MONI T T SCAN to move the cursor Push SET SKIP to enter set mode to right or left respectively Push SET SKIP or
45. ne SET MODE DPush the desired band s MAIN to select the main band 2 Push SET SKIP to enter set mode G Push SET SKIP or ATT PRIO several times until the duplex direction setting item OFF ap DUP aP or DUP dP appears SET SKIP El al AT T PRIO Tea 0 Oooa DIAL A Rotate the main band s DIAL to select the duplex direc tion DUP aP or DUP aP Push SET SKIP once to advance to the offset frequency setting item 6 Rotate the main band s DIAL to set the desired offset fre quency within 0 000 1000 000 MHz range e The tuning step selected in VFO mode is used for setting e Push MHz TS then rotate the main band s DIAL to change the frequency in 10 MHz steps or push again then rotate the main band s DIAL to change the frequency in 1 MHz steps Each push toggles 1 MHz 10 MHz or selected tuning steps Push any key for main band to exit set mode Operation 1 Set the receive station frequency repeater output frequency 2 Push MONI T T SCAN to monitor the transmit station fre quency repeater input frequency directly Frequency shifts the offset frequency BASIC OPERATION 4 E Weather channel operation USA CANADA versions only Weather channel selection 1 Push VFO MR S MW to select memory mode in the de sired band left or right 2 Push MHz TS to enter memory type selection mode
46. ng frequency 2 Set the watched channel s For memory channel watch Select the desired memory channel For memory scan watch Select memory mode or the desired bank group then push and hold MODE SCAN for 1 sec to start memory scan or bank scan 3 Push and hold ATT PRIO for 1 sec to start the watch e The receiver checks the memory bank channel s every 5 sec e The watch resumes according to the selected scan resume con dition p 37 e While the watch is paused pushing and holding ATT PRIO for 1 sec resumes the watch manually 4 Push and hold ATT PRIO for 1 sec to stop the watch ATT PRIO PRIO appears 39 O E Pocket beep operation This function uses subaudible tones for calling and can be used as a common pager to inform you that someone has called while you were away from the receiver Waiting for a call from a specific station 1 Set the operating frequency in FM mode 2 Push SET SKIP to enter set mode in the main band SET SKIP ATT PRIO 3 Push SET SKIP or ATT PRIO several times until Ct when selecting the tone squelch or dt when selecting the DTCS squelch appears Tone squelch frequency setting DTCS code setting 4 Rotate the main band s DIAL to select the desired tone frequency or DTCS code Q desse DIAL n POCKET BEEP AND TONE SQUELCH When operating the pocket beep function with DTC
47. nnen 38 W Priority watch types cccoocccccnnccnccnccnnconcononanonoos 38 M Priority watch operation occcccccocccnccnnnccncnnnns 38 8 POCKET BEEP AND TONE SQUELCH 39 42 E Pocket beep operation oocccccoccccccccnnccononos 39 Mi Tone DTCS squelch operation 41 E OMG scan xsccsnccianntocanencesetendecdannncedennsdieheemmedaanes 42 9 DIGITAL MODE OPERATION 43 48 M Digital mode operation occcccoccncccocconccncnnnnns 43 E Pocket beep operation cccccccocccnnccnoncnnnnnno 43 W Digital squelch operation rrrrrnnrrrvrrnnnrrennnnnn 45 E Call sign programming for DV mode 47 E ID code programming for P25 mode 48 10 SET MODE Lukk 49 64 E General rrrrnrrnnrnorrrnnnrovrrnnnnvnnrannnvennnnensennnnene 49 E Set mode items cccoooccncccccnnnnccconcnncconcnnnnononoss 49 11 OTHER FUNCTIONS rrnnnnvennnnnnnernnnnnnennnnnnn 65 68 E DSP operation Optional UT 106 is required 65 E DATA cloning IC PCR2500 control software must be installed 66 W Partial reset isc 67 MAI reset o cccocccccccncconnccncnncncnnonanccnannnnanoss 67 Mi Internal audio SwitCh occcccoccccconcnnccononos 68 12 TROUBLESHOOTING i rnnnnnvnnnnnnnnnnnnnnnennnnnnuvennnn 69 13 DOC usara sal 70 VI re 1 CONNECTION E Rear panel connection DC power supply connection Use a 12 V DC power supply with at least 4 A capa
48. number automatically increases when contin oe to select VFO mode uing to push VFO MR S MW after programming Set the frequency using the same band s DIAL Set other data e g tone frequency duplex information 7 CONVENIENT etc if required Memory programming can be made quicker by copying mem 2 Push and hold the same band s VFO MR S MW for ory information to different memory channels p 27 1 sec to enter select memory write mode ED indicator and the memory channel number blink EXAMPLE Programming 145 800 MHz into memory channel 20 blank channel Push Rotate O for setting frequency etc Push 598 for 1 sec Rotate Push for 1 sec and continue to push I 1118 Release D MEMORY OPERATION E Programming channel names Each memory channel can be programmed with an alphanu meric channel name for easy recognition and can be indicated independently by channel Names can be a maximum of 6 characters see the table on next page for available charac ters 1 Select the desired memory channel to be programmed Push VFO MR S MW to select memory mode then ro tate the same band s DIAL to select the desired mem ory channel Q Push and hold VFO MR S MWI for 1 sec to enter select memory write mode OND indicator and the memory channel number blink EXAMPLE Programming CLUB into memory channel 12 Select O VFO MR memory channel NE Push for 1 sec 3 Push S
49. o enter select memory write mode AD indicator and the memory channel number blink EXAMPLE Programming 144 000 MHz into scan edge 1A Rotate O for setting frequency etc Push Rotate 4 Rotate the same band s DIAL to select one of scan edge channel OA to 49A 5 Push and hold VFO MR S MW for 1 sec to program e 3 beeps sound and VFO mode is automatically selected e Scan edge OB to 49B is automatically selected when continuing to hold VFO MR S MW after programming 6 To program a frequency for the other pair of scan edges OB to 49B repeat steps to 4 e If the same frequency is programmed into a pair of scan edges programmed scan will not function Push for 1 sec Beep D E Skip scan Skip channel frequency setting You can set the selected memory channel as a skip channel which is skipped during memory skip scan In addition it can be set as a skip channel for both memory skip scan and fre quency skip scan These are useful to speed up the scan in terval M Select a memory channel Push the main band s VFO MR S MW once or twice to select memory mode then rotate the same band s DIAL to select the desired memory channel to be a skip channel ED and memory channel number appear 2 Push and hold SET SKIP for 1 sec several times to set the skip condition e no indication The channel is scanned during scan e The channel is skipped during scan e P SKIP
50. ood location It is not necessary to use radials on a magnetic mount mag mount antenna a 2 PANEL DESCRIPTION E Front panel controller TE Function display pgs 7 8 AM FM qr 7 CANI SSB CW AM FM A I pi cara I Ca CA 7 7 m ON I TANA EVAN ALT Ma aa 5 AN 5 meme ale y mon Y mone MODE Y DO NS SN ff AI ATT I at 1 Pa 7 6 O O POWER KEY PWR ro Push and hold for 1 sec to turn the controller power ON and OFF p 11 Continue to hold this key down for 2 sec after power ON to turn the lock function ON and OFF p 15 SET SKIP KEY SET SKIP Push to enter set mode p 49 Push and hold for 1 sec to turn the channel skip setting ON and OFF for memory VFO skip scan operation p 36 ATTENUATOR PRIORITY KEY ATT PRIO gt Push to turn the ATT Attenuator function ON and OFF p 15 Push and hold for 1 sec to start priority watch p 38 O MODE SCAN KEY MODE SCAN Push and hold for 1 sec to enter receive mode select mode p 13 e Rotate main band s DIAL to select the desired receive mode Push and hold for 1 sec to start a scan p 34 e Cancels a scan when pushed during scan PANELDESCRIPTION 2 MONITOR TONE TONE SCAN KEY MONI T T SCAN gt Push to turn the monitor function ON and OFF p 14 Push and hold for 1 sec to enter the tone function se lection mode pgs 34 41 44
51. orm memory or bank scan two or more memory bank channels MUST be programmed oth erwise the scan will not start 4 Push SET SKIP or ATT PRIO to select full and pro grammed scan P00 to P49 if VFO is selected in step To stop the scan push MODE SCAN Y About the scanning steps The selected tuning step in Y each frequency band in VFO mode is used during scan 7 The bank link setting can be changed in set mode See 7 p 56 for details e During memory scan e During bank scan TAAN SSB CW AM FM B CW AM FM gob dig 808 er Indicates bank channel NOTE When SSB CW AM FM WFM or Digital mode frequencies are programmed into memory channels randomly memory scan is slow because changing modes takes time In this case assign the SSB CW AM FM WFM or Digital mode frequencies into separate banks where bank scan can be used And using the bank scan is helpful 6 SCAN OPERATION E Scan edges programming Scan edges can be programmed in the same manner as memory channels Scan edges are programmed into scan edges OA OB to 49A 49B in memory channels 1 Push the desired band s VFO MR S MW once or twice to select VFO mode 2 Set the edge frequency of the desired frequency range Set the frequency using the same band s DIAL Set other data e g tone squelch etc if desired 3 Push and hold the same band s VFO MR S MW for 1 sec t
52. priate function OFF received signal Sensitivity is low and only Antenna feedline or the antenna connector has a Check and if necessary replace the feedline or p 1 strong signals are audible poor contact or is short circuited reattach the antenna connector e Attenuator function is activated e Push ATT PRIO to turn the Attenuator function p 15 OFF Frequency cannot be e The lock function is activated e Push and hold PWRe 0 for 2 sec after power p 15 changed ON to turn the function OFF Program scan does not The squelch is open e Set the squelch to the threshold point p 14 operate e The start and end frequencies are the same e Program different start and end frequencies p 35 scan does not op The squelch is open e Set the squelch to the threshold point e Only 1 memory channel is programmed or other Program other memory channels or cancel the pgs AN channels are set as skip channel memory skip function in the desired channels Receive audio is distorted The operating mode is not selected correctly e Push and hold MODE SCAN for 1 sec then ro p 13 tate DIAL to select suitable operating mode 69 DOC 13 _ O DECLARATION ICOM OF CONFORMITY We Icom Inc Japan 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Dusseldorf 24th Mar 2006 Place and date of issue Declare on our sole responsibility that this equipment complies with the essential requirements of the
53. r and OFF does not appear default This item appears when set mode is accessed from memory mode only e Bank link setting 1 Rotate main band s DIAL to select the memory bank link function ON 2 Push and hold SET SKIP or ATT PRIO for 1 sec to enter bank link setting mode 3 Push SET SKIP or ATT PRIO to select the desired bank to be linked A Bank A b BankB C BankC e d Bank D e E Bank E F BankF G Bank G e H Bank H eJ BankJ ek BankK L BankL e m Bank M en BankN 0 BankO P BankP q BankQ Memory bank link function R BankR t BankT U BankU W BankW Sets the memory bank link function ON and OFF default y Bank Y The link function provides continuous banks scan that scans all contents in the selected banks during bank scan This item appears when set mode is accessed from memory mode only Bank A ON Bank A OFF 4 Rotate the main band s DIAL to select On default to linking the bank Repeat steps and to set the link condition 6 Push any key for the main band to return to set mode 57 10 SET MODE AFC setting Turns AFC Automatic Frequency Control function ON and OFF default OFF O Filter setting Select the IF filter passband width from 3 6 15 50 and 230 kHz depending on the selected mode O Weather alert function U S A CANADA versions only Turns weather alert function ON and OFF Li C
54. s item appears when optional UT 118 or UT 122 is installed OF _ Digital items are not displayed in set mode default On _ Digital items are displayed in set mode 59 10 SET MODE DV unit power setting Selects the DV unit UT 118 power setting from Auto and ON gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON e At DV unit is turned ON automatically when digital mode is selected default On DYV unit is turned ON when the receiver is pow ered ON MAN S d M ZN IIA Call sign setting Sets your own call sign for digital call sign squelch operation Up to 8 characters are programmable gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON e Push MODE SCAN or MONI T T SCAN to move the cursor Rotate main band s DIAL to select the desired character or code O Digital code setting Sets the desired digital code for digital code squelch opera tion Total of 100 codes 00 99 are available default 00 gt This item appears when optional UT 118 is installed and Optional items setting p 58 is ON SA IF SI PS Ek EITT Data speed setting Sets the low speed data communication speed between the receiver Main unit and PC to 4800 bps or 9600 bps default 9600 bps This item appears when optional UT 118 is installed and Optional items setting p 58 is ON SE
55. searching for signals near a memory channel frequency and for recalling the subaudible tone frequency etc Memory VFO 1 Select the desired band s left or right memory channel to be transferred Push the desired band s VFO MR S MW several times to select memory mode then rotate the same band s DIAL to select the desired memory channel LID and memory channel number appear Q Push and hold VFO MR S MW for 3 sec to transfer the selected memory channel contents to VFO mode e VFO mode is selected automatically EXAMPLE Transferring the contents of memory channel 30 to VFO Push to select memory mode Memory gt memory 1 Select the desired band s left or right memory channel to be transferred Push the desired band s VFO MR S MW several times to select memory mode then rotate the same band s DIAL to select the desired memory channel LID and memory channel number appear 2 Push and hold the same band s VFO MR S MW for 1 sec to enter select memory write mode ID and memory channel number blink MEMORY OPERATION 5 3 Rotate the same band s DIAL to select the target mem ory channel e Scan edge channels OA 0B to 49A 49B can also be selected 4 Push and hold VFO MR S MW for 1 sec to transfer the selected memory channel contents to the target memory channel e The targeted memory channel and transferred contents are dis played EXAMPLE Transf
56. sed for the AM broadcast stations 0 495 1 620 MHz air band 118 135 995 MHz and short wave broadcasts WFM is used for FM broadcast stations 76 107 9 MHz WFM mode can be selected on 1300 MHz band or below DPush MODE SCAN to enter receive mode select mode MODE SCAN DIAL 2 Rotate main band s DIAL to select the desired mode oc saml mths 3 Push any key for main band to exit receive mode select mode ME BASIC OPERATION 4 E Receiving E Monitor function 1 Set the audio level for the main band This function is used to listen to weak signals without disturb gt Push the desired band s MAIN ing the squelch setting or to open the squelch manually even Push MONI T T SCAN to open the squelch when mute functions such as the tone squelch are in use Rotate the main band s VOL to adjust the audio level Push MONI T T SCAN to close the squelch 2 Set the squelch level Rotate the main band s SQL fully counterclockwise in advance then rotate SQL clockwise until the noise just disappears 3 Set the operating frequency in the main band pgs 11 13 e When interference due to strong signals is received push ATT PRIO to turn the attenuator function ON p 15 4 When a signal is received on the set frequency squelch opens and the receiver emits audio a After pushing MAIN to select the desired band left or e BUSY appears and the S meter sho
57. tate main band s DIAL to select the desired code e 2nd digit blinks 1st digit stop blinking e Repeat this step for programming your NAC code 6 Push SET SKIP or ATT PRIO several times until t appears e The 1st digit blinks e TGID code is selectable from 0 65535 7 Repeat step 4 and to program the TGID code Push SET SKIP or ATT PRIO several times until U1 appears e The 1st digit blinks e Unit ID code is selectable from 1 9999999 9 Repeat step and to program the Unit ID code Push any key for the main band to exit set mode 10 Set MODE E General e Set mode operation 1 Push the desired band s MAIN to select the main band 4 Rotate the main band s DIAL to select the condition or 2 Push SET SKIP to enter set mode value 3 Push SET SKIP or ATT PRIO to select the desired 5 Push any key for main band or or any of the shared keys item below the display to exit set mode E Set mode items Key touch beep e Beep output level Auto power OFF e Display dimmer e Display color Push T 0 Push prio Available for USA CANADA versions only Appears while in FM mode only 3 Appears while in SSB CW mode only 4 Appears when the UT 106 is selected 9 Appears when the UT 118 or UT 122 is installed tAppears when accessing set mode from VFO mode only Appears when accessing set mode from memory mode only These i
58. tems appear Set mode items when the UT 122 is for DV mode are described on page 51 installed and Optional items setting is ON SET MODE 10 e TSQL frequency e DTCS code e DTCS polarity MAIN NI DL e Scan resume timer USA CANADA versions only SSB CW mode only MAIN ps 1 FU TL 91 10 SET MODE Set mode items for DV mode e DV unit power setting Call sign setting e Digital code e Data speed These items appear when the UT 118 is installed and Optional items setting is ON Push e Rx Call sign display e Digital monitor gt Push Return to set mode p 49 Rx message display e Rx Call sign e GPS message e Rx Position e Rx Call sign with message Rx message e Standby beep e Rx RPT1 call sign e Rx RPT2 call sign O Key touch beep The key touch beep can be turned OFF for silent operation default ON 7 Even when this item is set to OFF the power on beep and Z pocket beep function still sound The power on beep can 7 not be set to OFF Beep output level Adust the beep level from 1 to 9 for key touch beep power on beep and pocket beep function default 5 When the previous set mode item bEP is set to OFF this setting level does not affect key touch SET MODE 10 Auto power OFF The receiver can be set to automatically turn OFF with a beep after a specified period during which no key operations are performed 30 min 1 hour
59. th temperatures below 10 C 14 F or above 60 C 140 F BE CAREFUL The receiver will become hot when op erating it continuously for long periods AVOID setting the receiver in a place without adequate ventilation Heat dissipation may be affected and the receiver may be damaged AVOID the use of chemical agents such as benzine or al cohol when cleaning as they can damage the receiver s sur faces For U S A only CAUTION Changes or modifications to this device not ex pressly approved by Icom Inc could void your authority to operate this device under FCC regulations ABOUT APCO PROJECT 25 This device made under license under one or more of the fol lowing US patents 4 590 473 4 636 791 5 148 482 5 185 796 5 271 017 5 377 229 The IMBE voice coding technology embodied in this product is protected by intellectual property rights including patent rights copyrights and trade secrets of Digital Voice Systems Inc This voice coding Technology is licensed solely for use within this communications equipment The user of this tech nology is explicitly prohibited from attempting to decompile re verse engineer or disassemble the object code or in any other way convert the object code into a human readable form U S Pat nos 5 870 405 5 826 222 5 754 974 5 701 390 5 715 365 45 649 050 5 630 011 5 581 656 5 517 511 5 491 772 5 247 579 5 226 084 5 195 166 P25 digital mode is a
60. ush SET SKIP once to select bAnk After SET SKIP released MEMORY OPERATION 5 4 Rotate the same band s DIAL to select the desired bank indicator to transfer or erase e Push ATT PRIOQ to toggle the bank or bank channel selection e Select indication when erasing the contents from the bank e Vacant bank channel numbers are only be displayed Bank selection Bank channel selection Push and hold VFO MR S MW for 1 sec to program the bank and return to regular memory mode Repeat steps to for transferring or erasing an an other bank s contents 6 E Scan types SCAN OPERATION Scanning searches for signals automatically and makes it easier to locate new stations FULL SCAN p 34 3299 9999 FREQUENCY MEMORY SKIP FUNCTION p 36 Band Band edge edge Scan 7 Repeatedly scans all frequen cies over the entire band Some frequency ranges are not scanned according to the frequency coverage of the re ceiver s version Repeatedly scans memory channels except those set as skip channel Skip channels can be turned ON and OFF by pushing and_ holding SET SKIP in memory mode Skips unwanted frequencies or channels that inconve niently stop scanning This function can be turned ON and OFF by pushing and holding SET SKIP in mem ory mode There are 5 scan types and 4 resume conditions to suit your operating needs PROGRAMMED SCAN
61. vailable when the optional UT 122 DiG ITAL UNIT IS installed TABLE OF CONTENTS FOREWORD ve i IMPORTANT ssiscecitactexntcnteet innpneadi sesiandbaeecseersasssotsndesand i EXPLICIT DEFINITIONS see i SUPPLIED ACCESSORIES Lanier 1 SPECIFICATIONS Qg imineo ji FIN ji PRECAUTIONS sd lil ABOUT APCO PROJECT 25 cscs cnctectnsenececcesienesccenon IV TABLE OF CONTENTS ccceeccceeeeeseeeeeeeeeaeeeees V 1 CONNECTION oniicisondas cocaina ic 1 2 E Rear panel CONNectiON cccoccncccnccnccnccnccnncnnnnnoo 1 M Antenna installation o cccoccccconncconnocannnnn 2 2 PANEL DESCRIPTION i rrnnnnnvvnvrvnnnnnnnvevvevnnnn 3 10 E Front panel controller ooccccooocccocooo 3 WE Function ge sole io racicnio 7 E Rear panel main unit occccccnnccnininnncncnnnnnnno 9 3 SETTING A FREQUENCY i eanneevevevnnnnnnneeee 11 13 ME Preparation errnnornnnnnvnrnnnvnnnnnnnnnnnnennnnnnnnnnnnen 11 E Tuning step selection ccooccccoccconocononnno 12 Mi Using the tuning dial cccccooccnnccooo 13 E Receive mode selection cccconcniccconccnnncnnmos 13 4 BASIC OPERATION x rmernnnnnnnnnnvnnnnnnnnnevnnnnnn 14 22 W Receiving a iierncceavievoriinararctasdrercosmsirosiwcenseaareces 14 E Monitor function ccoooccnnconcnncnnccnnoncconcnannnnnns 14 BK NE vanene irei 15 E Attenuator function ccooocccccncncononnnoconnnnnnas 15 WE NB function rarrnnnnnnvnrnnnrn
62. vnnnnennnnnenrnnnnnvnnsnennnn 16 E AGC NN 16 E AFC function useskdseee seas 17 ROE ale WON 2acccoteaicnnsecotnshiascetantiindeatosoouaataieses 17 MIF filter selection rrrnnrrnnnnnnnnnnnvnvnnnnnvnnnnennnn 18 W IF shift function sivisrcotaseacica tosca decides 18 MI Duplex operation rrrnrerrnnnnvvnnnnvnvnnnnnvnnnnennnn 19 E Weather channel operation USA CANADA versions only coccooccoccccnccnconnonon 20 Mi Single band operation occcccccccccnccccncnnnccnonos 22 MEMORY OPERATION eennnnnvvrvvnnnnnnvnvevennnn 23 32 E General description ccccccccocnncnnccncnonncnnnnnos 23 E Memory channel selection 23 E Programming a memory channel 24 E Programming channel names 0ccceees 25 E Copying memory content rrrrrrrrrrrnnrrrrvnnn 27 E Memory clearing ccccecceceeseeceeeeeeceeeeessees 29 E Memory bank setting cccccocccncccccnnnncnnonos 30 E Memory bank selection oooncccccnnnncccccco 31 Mi Transferring bank contents rrrrrrrrnrrrrrrnnrnr 31 SCAN OPERATION nrnnnnnnnvenvnnnnnnnnnenennnnnnnr 33 37 ECan types an en ee EE arene eee 33 W Scan start stop JE 34 E Scan edges programming ccccssseeeeeeeeeees 35 W Skip SCan cooooccccncccnnccnnccnnnononccnnonnnncncnnnnnnnnnononons 36 E Scan resume condition oocccccccoconccnnncno 37 7 PRIORITY WATCH e ennnnnnnnnnnnnonnnnnnnnnnnnnnnnennnnn
63. ws the relative signal right as the main band push MONI T T SCAN for 1 sec strength for the received signal to open the squelch e BUSY blinks e Push MONI T T SCAN again to cancel the function BUSY ona cd di Appears when receiving a signal 4 BASIC OPERATION E Lock function To prevent accidental frequency changes and unintentional function access use the lock function Continue to hold PWR 0 down for 2 sec after power ON to turn the lock function ON and OFF e MONI T T SCAN monitor function only VOL SQL MAIN AGC main band selection only and MAIN NB main band selection only can be used while the lock function is in use PWR ao E Attenuator function The attenuator prevents a desired signal from being distorted when very strong signals are near the desired frequency or when very strong RF fields such as from a broadcasting sta tion are near your location The attenuator reduces signal strength by about 20 dB and this function can be activated on 1300 MHz or below Push ATT PRIO momentarily to toggle the attenuator function ON and OFF e Push MAIN to select the desired band left or right as the main band in advance e ATT appears when the attenuator function is in use ATT PRIO Appears E NB function The NB noise blanker function removes pulse type noise when SSB CW or AM mode is selected After pushing MAIN to select t
64. xit set mode 7 When the dualwatch operation is in use IC R2500 must be connected to two antennas ANT1 and ANT2 BASIC OPERATION 4 Diversity operation The diversity receiving compares the receiving signal strength from two different antennas ANT1 and ANT2 and automati cally selects the strongest signal This feature is useful when you are listening in a moving vehicle or the transmitting sta tion itself is moving Diversity receiving is available from 50 MHz to 1300 MHz on FM P25 and DV modes only Turn the sub band OFF to select single band operation as described at left Q Rotate right band s DIAL to turn the diversity function ON or OFF Xa indicator appears while ANT1 is selected 1 indicator appears while ANT2 is selected Y e With the squelch open in FM mode while receiving a Y weak signal diversity receiving does not work properly Y AGC is disabled during diversity receiving SS D MEMORY OPERATION E General description The receiver has 1100 memory channels including 100 scan edge memory channels 50 pairs for storage of often used frequencies And a total of 21 memory banks Ato H J to R T U W and Y are available for storing groups of frequencies etc Up to 100 channels can be assigned to a bank Memory channel contents The following information can be programmed into memory channels e Operating frequency p 13 e Receive mode p 13 e Tun
65. zeTS turn power ON E Internal audio switch The internal switch must be set properly to use an external speaker headphones or earphone 7 CAUTION DISCONNECT the AC adaptor or DC power Z cable from the receiver Main unit before performing any 7 work on the receiver Turn the receiver Main unit power OFF then disconnect the AC adaptor or DC power cable 2 Unscrew the 8 screws and disconnect the connected ca bles then remove the top cover e Be careful not to lose the screws Top cover F Power switch G Set the switch as shown at right e Set the switch to SPEAKER when an external speaker is con nected to the receiver default e Set the switch to PHONES when a headphones or earphone are is connected to the receiver 4 Replace the top cover cables and screws to the original position OTHER FUNCTIONS 11 SPEAKER PHONES switch EEE 12 TROUBLESHOOTING If your receiver seems to be malfunctioning please check the following points before sending it to a service center PROBLEM POSSIBLE CAUSE SOLUTION Does not turn on e The AC adapter is not fully seated in the power Check the connection jack on the rear panel No sound comes from the Volume level is too low e Rotate VOL to obtain a suitable level ag e Squelch level is set too high e Rotate SQL to set the squelch level e Selected tone or DTCS squelch does not match Turn the appro

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