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Operation and Installation ATR833A-OLED

1. entry same as standby frequency A previously defined name is automatically cleared Step e Display Example 1 Have frequency to be stored set as ACT 124 350 active frequenc SBY 135 700 VOL 03 2 Enter memory list ACT 124 350 e Press once in order to access SBY 122 000 the user memory This overwrites the MEM 00 KEMPTEN former standby frequency Sel he memor ition 3 Select the memory position to be used RT 124 2350 e wi VOS SBY 121 270 MEM 17 HAMBURG 4 Overwrite the selected memory entr with a long press of i dae ACT 124 350 e The success is indicated by copying Toa BiG the active frequency into the memory eege MEM 17 You can now leave the user memory access by pressing twice or by waiting for the timeout Alternatively you can add a name of up to 8 characters to the selected memory entry While having the memory entry selected i e coming from step 4 above when adding the name to the new stored frequency or else coming from step 3 above when adding the name to an existing memory entry Place the cursor into the name field with a long press of ACT SBY MEM 17 124 350 124 350 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 6 Enter the name e by changing the selected character ACT 124 350 w
2. add name to memory item Use together to change standby frequency Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH Switch On press button for approx 0 5 s PINDE Switch Off press button for approx 2 s Activates Deactivates the mode for mutual fow DUAL reception of standby frequency WATCH indicated by DW instead of SBY for standby frequency Choose item volume squelch etc to be adjusted by gt press button shortly Shortcut to volume setting gt press button for at least 1 5 seconds Enter configuration menu gt press button for at least 5 seconds Move underline within standby frequency to be adjusted by GA CURSOR gt press button shortly Add name to frequency within memory gt press button for at least 1 5 seconds CHANGE _ Interchange active and standby frequency Access user defined frequency list gt press button shortly once Access list of 10 last used frequencies gt press button shortly twice Store active freq to selected memory gt press button for at least 1 5 seconds Adjust volume or other item selected by VOL SEL Rotary g volume squelch DIM level etc Knob Select frequency from user memory or list of last used frequencies Change the underlined value i e adjust standby frequency or input character when entering name Dokument Nr 01 1411 010 71e
3. 2 4 3 DIM Display Brightness By short pressing the Gi twice with help from the rotary knob the display s illumination can be adjusted ACT 123 450 SBY 118 910 DIM 08 L Range 01 10 2 4 4 VOX Voice Activation Speech Level for the Intercom By short pressing the three times with the help of the rotary knob the threshold value for VOX can be adjusted VOX defines the crew s speech volume that is required to activate the intercom functionality The higher the value the louder you need to speak in order to activate the intercom Exception VOX 01 corresponds to always on The internal filter circuitry has the ability to distinguish between engine noise and speech ACT 123 450 SBY 118s 910 VOX 05 L Range 01 10 In case of very noisy backgrounds or use of uncompensated microphones the automatically VOX functionality may not work satisfying In these cases it is possible to deactivate the VOX automatism with VOX 01 and to use an external intercom switch 13 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 2 4 5 DWM Dual Watch Mute By short pressing the key four times with help from the rotary knob the muting of the volume level for receptions on the standby frequency when having dual watch active can be controlled This allows acoustic distinction between both frequencies
4. 21 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 2 7 Transmission By pushing the PTT button the device starts transmission on the active frequency The operation of the transmission is indicated by TX in front of the frequency used ACT TX 123 450 SBY 135 700 VOL 05 In order to avoid unintended transmissions e g when having the PTT button stuck stuck mic the transmitter automatically stops after two minutes of transmission and TX is substituted by Te In order to re enable transmission release PTT and push it again equipped it can be configured chapter 3 3 to use only one 0 When having more than one PTT button and microphone PTT button for transmissions 2 8 Reception When receiving a RX is shown in front of the active frequency When having dual watch active see 2 6 this can be on the standby frequency too ACT RX 12 3 450 ACT 123 450 SBY 135 700 DW RX 135 700 VOL 05 VOL 05 Dokument Nr 01 1411 010 71e Revision 3 01 22 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 3 CONFIGURATION A very long press of 5 seconds accesses the configuration menu The configuration menu is used for fundamental settings To choose between the following settings use the button 1
5. See 2 6 for further information about the dual watch mode ACT 123 450 SBY 118 910 DWM 2 L Range 8 00 8 is more muted 00 is no muting Lower numbers larger values negative indicate lower volume for dual watch receptions higher numbers smaller values negative louder volume The highest value 00 indicates having the same volume for dual watch receptions as for receptions on the active frequency 2 4 6 INT Intercom Volume The intercom functionality is the onboard crew internal communication for multiseater aircraft By shortly pressing the key five times the intercom volume level can be controlled by the rotary knob The higher the value the higher the intercom volume A change in the intercom volume level also changes the volume of the sidetone The sidetone is an audible feedback of the own voice to the headset i e you hear yourself speak This feature supports a natural speech behaviour The intercom can be activated in two ways e Automatically i e whenever someone speaks into a microphone i e voice activated intercom VOX see 2 4 4 e Manually i e by use of an external intercom switch cable overview see 4 7 3 1 ACT 123 450 SBY 118 910 INT 03 L Range 01 10 Dokument Nr 01 1411 010 71e Revision 3 01 14 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 2 4 7 EXT Volume of the External Audio Input By short
6. with ATC communication dont forget to reactivate the Copilot e PTT after end of the flight 3 4 EXT External Audio Input s Behavior The external audio input can be used to feed a monaural audio signal to the amplifier for the headsets speaker An external audio signal can be used for different purposes E g it is possible to check the audio signal of a VOR receiver to attach a traffic sensor with acoustic output or to use the external audio input for monaural music input ACT 123 450 As these signals have different priorities in SBY 118 910 Comparison to radio receptions the EXT auto off priority of the external audio input can be configured With the 4e 872148 rotary knob the following options can be selected always on auto off not RXTX The external audio input is always on even during radio receptions and transmit mode Use this setting only for very high priority acoustic warnings e g collision warning beep tones The external audio input is automatically deactivated during transmit mode or when no external audio activity is sensed The external audio input is automatically deactivated during radio receptions or transmit mode This setting does not use the external audio activity sensing and therefore can introduce noise when no signal source is connected Use this setting only when auto off does not react fast enough for very short external audio signals A short pr
7. Revision 3 01 8 ATR833A P N 833A xxx 1xx f u n k e Operation and Installation AVIONICS GMBH 2 2 ON OFF Turn the CN on with ON Y press button for 0 5 s or press button for 2 s After turning on the display shows the software version as follows ATR833A Device Name v6 0 ATR833A Software Version Example e g v6 0 The Start Screen indicates device type and software version After that screen the device changes into normal operation direct input mode The radio starts with the same frequencies and settings from before being switched off 2 3 Display Use of active frequency TX transmitting Cursor marking RX receiving KS Te timeout solve and push PTT Set position with W adjust value with to re enable CH Fixed label for Active active frequency if RX 1 1 8 0 A A G frequency Label for standby _ 9 1 0 Standby frequency frequency SRY RX 124 DW dual watch active ABCDEFGH SBY no dual watch Item choosen by 7 Gei or when Use of standby Low Battery warning accessin Raine list frequency User defined name when Adjust value or RX receiving selecting frequency from in dual watch user memor select number mode y with Ael 745 9 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1 xx Operation and Installation f u n k e AVIONICS GMBH Display Meaning Remark ACT
8. the louder the reception of radio signals ACT 123 450 SBY 118 910 VOL 03 Range 01 16 The VOL setting controls the volume of received radio signals only It does neither control the volume of the intercom nor the external audio input for these use the INT and EXT settings 2 4 2 SQL Squelch By short pressing the Gi once with the help of the rotary knob the squelch level can be adjusted This is a threshold that has to be exceeded by radio signal levels from other senders in order to activate the reception circuitry The higher the number the stronger the radio signals have to be in order to be received ACT 123 450 SBY 118s 910 SOL 07 L Range 01 10 The setting for the squelch depends on different factors For motor aircrafts an initial higher setting is typically appropriate gliders may use settings lower value Lower numbers means higher input sensitivity This allows receptions of weaker signals radio stations at higher distance but can also result in pickup of own aircraft radio interference sources engine strobe lights Dokument Nr 01 1411 010 71e Revision 3 01 12 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH High values can suppress weak signals Squelch is not OH The default Squelch setting is SQ05 up to SW V5 7 SQ07 related to any function of the Intercom
9. xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 INSTALLATION 4 1 Advices and Tips The following suggestions should be considered before installing The assigned installation company could perform wiring For diagrams refer to section 4 7 Wiring 4 2 Telecommunication Data The following data may be required when applying for the aircraft radio station license Manufacturer f u n k e AVIONICS GmbH Type Designation ATR833A EASA Number EASA 210 270 Transmitter Power Output 6 W Frequency 118 000 136 975 MHz SA i 6k00A3E for 25khz channel spacing Emission Designator SkKOOASE for 8 33kHz channel spacing 4 3 Scope of delivery Part Number Description ATR833A ATR833A VHF communication transceiver SSATR2 Connector Only if no cable set was ordered MB800A2 Mounting Block Set 01 1411 010 71e User Manual Operation and Installation EASA Form 1 29 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 4 Unpacking and Inspecting the Equipment Carefully unpack the equipment Damages due to transportation must be reported to the shipping company immediately Save the shipping container and all packing materials to substantiate your claim 0 For storage or reshipment the original packaging should be used 4 5 Mounti
10. Block Set MB833AS included in delivery For mounting in panels with a thickness of 3 mm to 5 mm longer screws are required Order no ZUB1 direct panel mounting Befestigung direkt am Panel Mounting Block Set MB800A2 41 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1xx fu n k e Operation and Installation AVIONICS GMBH 5 ANHANG 5 1 Frequency Channel Plan In the following table examples for operating and displayed frequencies in the range between 118 000 118 100 MHz are given This table can be continued to 136 975 MHz following the same scheme Operating Channel Displayed Displayed Frequency Width Frequency in Frequency in MHz kHz 8 33 25 kHz Mode 25 kHz Mode 118 0000 25 118 000 118 000 118 0000 8 33 118 005 118 0083 8 33 118 010 118 0166 8 33 118 015 118 0250 25 118 025 118 025 118 0250 8 33 118 030 118 0333 8 33 118 035 118 0416 8 33 118 040 118 0500 25 118 050 118 050 118 0500 8 33 118 055 118 0583 8 33 118 060 118 0666 8 33 118 065 118 0750 25 118 075 118 075 118 0750 8 33 118 080 118 0833 8 33 118 085 118 0916 8 33 118 090 118 1000 25 118 100 118 100 118 1000 8 33 118 105 etc etc etc etc Dokument Nr 01 1411 010 71e Revision 3 01 42 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 5 2 Technical Data GENERAL LI O ETSO
11. SPC Channel spacing DPY Automatic display darkening PTT PTT key selection EXT wesc Behavior of the external audio input MLS Sensitivity of the left standard microphone input MLD Sensitivity of the left dynamic microphone input MRS Sensitivity of the right standard microphone input MRD Sensitivity of the right dynamic microphone input TST si Activation deactivation of the test mode for maintenance DEEN Leaving configuration menu back to VOL SE ek St e Je can also be reached by long press of The chosen setting can be adjusted by the rotary knob 3 1 SPC Channel Spacing With this setting the ATR833A can be configured to constrain frequency selection to 25 kHz channels only This can be used to speed up the manual frequency input in areas where no 8 33 kHz channel spacing is used See chapter 2 5 2 on further information on manual frequency input ACT 123 450 SBY 118 910 SPC 8 33 kHz With the rotary knob the following options can be selected 8 33 kHz Allows input of both 8 33 kHz and 25 kHz channels 25 kHz Allows input of 25 kHz channels only 23 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH A short press of switches to the next configuration item a long press of exits the configuration menu This configuration item is not used for selection of 8 33 kHz or 25 kHz u
12. System When installation is completed all steering and control functions of the aircraft are to be examined in order to exclude disturbances by the wiring The SWR shall not exceed 3 1 Furthermore a test flight is recommended in order to guarantee the proper in flight operation of the radio e Ina flight altitude of at least 2000 ft contact a ground station in a distance of at least 50 km 30 nautical miles e Pay attention to unusual electrical interference e f possible perform the radio test on frequencies within the upper and lower VHF communication frequency range 4 11 Accessories Suitable accessories like antennas cable sets connectors or switches can be purchased at our online shop on www funkeavionics de 39 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1xx f u n k e Operation and Installation AVIONICS GMBH 4 12 Drawings 4 12 1 Dimensions 161mm The D Sub Connector plug has to be clamped with both spring locks It is recommended to additionally secure them with a cable tie Dokument Nr 01 1411 010 71e Revision 3 01 40 ATR833A P N 833A xxx 1xx f u n k e Operation and Installation AVIONICS GMBH 4 12 2 Mounting Advices Panel cut out 160 x 42 mm horizontal aligned in viewable and reachable position to the pilot Use the standard mounting blocks of Mounting
13. frequency selected from the memory 2 5 4 Recall a Frequency from the List of the 10 Last Used The radio automatically keeps track of the last 10 used active frequencies To access this list press twice and select one of the 10 list entries with the VIR turn knob The selected memory entry substitutes the former standby frequency In the lower left corner of the display the number of the list entry selected is indicated by LST xx with xx 00 10 ACT 123 450 SBY 118 700 LST 01 Entry number Range 00 10 List entry 00 contains the last standby frequency from the MEM menu Key interchanges the newly set standby frequency and the former active frequency and leaves the last used list menu Alternatively the list access automatically ends after a timeout or can be ended by pressing once The former standby frequency has now been substituted by the frequency selected from the memory 2 5 5 Store a Frequency into the User Memory The active frequency can be stored into any entry of the user memory This is achieved by a long press on when having the user memory entry to be overwritten selected The following example stores the frequency 124 350 MHz of KONSTANZ into the user memory entry 17 Dokument Nr 01 1411 010 71e Revision 3 01 18 ATR833A P N 833A xxx 1 xx Operation and Installation f u n k e AVIONICS GMBH
14. override on off key 21 DATA GND RS232 GND for Remote Control 22 DATA TX RS232 TX for Remote Control 23 LCD LIGHT LIGHT Input LCD Illumination I in aircraft with 12V lighting bus connect there In all other cases connect to input power supply 12V 24 SW 12V Output power supply max 200mA for OUT Remote Control 25 GND GND Ground Side of Power Supply Dokument Nr 01 1411 010 71e Revision 3 01 34 ATR833A P N 833A xxx 1xx Operation and Installation f u n k e AVIONICS GMBH 4 7 3 Wiring with Cable Harness BSKS833S BSKS833D 4 7 3 1 Overview Cable ATR833 ATR833A PTT Pushbutton right PTT Pushbutton left Powered Aircraft Standard f Microphone right MRS Headphone right PTT connects to MIC GND Powered Aircraft Standard icrophone left MLS Headphone left Gliders Dyn Microphone right MRD Short Circuit if Unused Gliders Dyn Microphone left MLD Short Circuit if Unused Speaker Gliders Speaker 4 8 Ohm Motor Gliders Use On Off Switch EXT NFs External Monaural Audio Input Short Circuit if Unused Powered Aircraft Intercom Activation Close permanently for using VOX Use Switch Pushbutton for Manual Intercom
15. 2C37e ED 23B Class 4 6 ETSO 2C38e ED 23B Class C E TSO C37d RTCA DO 186A Class 4 6 TSO C38d RTCA DO 186A Class C E Height 38 5 mm 1 49 in Width 140 mm 5 51 in DENSON Length 241 mm 9 49 in behind the anel WEIGHT 1 58 Ibs 0 72 kg MOUNTING Panel Mounted TEMPERATURE RANGES OPERATION 20 C 55 C 30 min at 70 C STORAGE 55 C 85 C MAX HEIGHT 50000ft VIBRATION DO 160D Cat S Vibration Curve M HUMIDITY RTCA DO 160D Cat A 6 G operation SHOCK 20 G crash safet RTCA DO 160D ENV CAT C1Z CAA SM XXXXXXZBAAA TT M B3F3 XXA 13 8 VDC 11 VDC 18 VDC transmitter 2 5A receiver 0 2A Standby max 0 5A POWER SURELY audio power amplifier up to 1A emergency ops reduced transmitting power lt 11 VDC COMPASS SAFE INTERCOM INPUT The microphone inputs are connected to the Intercom input 100 mVRMS at the microphone input produce 0 5 W output power at the NF AUDIO INPUT 1V 6000 43 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH TRANSMITTER SSS 6 W nominal POWER OUTPUT 4 W minimal HARMONIC DISTORTION lt 10 bei 70 modulation SIDETONE OUTPUT gt 0 5W into 3000 per headphone 2 x standard 50mV 2V into 100Q RE 2 x dynamic microphone HARMONIC CONTENT gt 60dBc MODULATIONFIDELITY deviation lt 6dB 350 2500Hz CARRIER NOISE LEVEL gt 35dB at 70 modulation purveyors 2 minut
16. Fixed label for active frequency SBY Label for standby frequency Dual watch mode allows when no dual watch activated intermittent monitoring of standby frequency activity DW Label for standby frequency Dual watch mode allows when dual watch mode intermittent monitoring of activated standby frequency activity 118 000 Active Frequency Frequency used for transmissions and receptions 124 910 Standby frequency May be monitored in dual watch mode RX Receiving on this frequency Usually on active frequency can also happen on standby frequency when dual watch activated TX Transmitting on active PTT pressed frequency Te Transmission ended Press PTT shortly to automatically after 2 minutes re enabel transmissions continuous transmission VOL 03 Volume level for receiving SQL 03 Squelch level Radio signal strength threshold required for reception suppresses noise and weak distant transmitter DIM 07 Display brightness VOX 05 Vox level Speech level that activates the intercom DWM 2 Dual watch mute Reduction in volume for dual watch reception on standby frequency INT 04 Intercom volume Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1 xx Operation and Installation f u n k e AVIONICS GMBH Display Meaning Remark EXT 02 Volume of external audio signals MEM 00 ltem from user memory LST 00 Item from list of last used frequencies ABCDEFGH User provided name for fre
17. Leave open if Intercom Not Required lt Gliders Main Power 12U RS232 and 12U Switched Output BULL 28cm i 258cm AMP Cannector yellou PTT R Male Female blue GND 4 orange PTT L Male HSE blue GND Vi 280cm r 1 MIC R STD DT EE E shielded cable shield Mic R GND PIN 17 PTT R yellow A Se HEAD uhite Ges HE AD lt blue lt Hand Microphonest IC L STD PIN 19 E Ee Ee shielded cable shield Mic L GND PIN 15 ZPTT L orange HEAD wie HEAD lt blue F EE IC R DYN yellou DIE EE shielded cable shield Mic R GND MIC L DYN orange pe e GL shielded cable shield Mic L GND Ar P oa NM ax LSP violet A OO pin 16 LSP lt black OI a4 LSP do not connect to GND i 24cm ki Li PIN 4 oe co shielded cable shield EXT NF GND me Es 58cm PIN 7 INTERCOM green GNO blue e 268cm Ge DND blue 4A slow blow F PIN 12 T 12 S E red PIN 11 gt Circuit Breaker or Fuse 88cm RMT REMOTE NAT uhite __DATA RX Geer PIN 24 gt 4 RMT1 2 PIN 22 gt RMT1 3 Cmax 20AmA TEE RNT1 4 PIN 21 gt RMT1 5 Binder Connector Female optional BIN SG A weet cee teen sede Goedel AUTO ON __ BUL HEAD Hie END aL REMOTE 7 TEBE ON DATA TX LIGHT SW 12U OUT SR DATA GND tea DATA RX D SUB Connector Female seen from solder side Binder Cannectar Female seen from solder side Connect to 12U for overriding on off key Leave open for normal on off key operation 35 Dokument N
18. NEE 37 4 8 1 Antenna EEN en eege gege 37 4 8 2 Antenna Cable a ncssnsetscnaceatsesavanciumvanntenmsadataaviownacouanensnnaseeresavs 37 4 8 3 Installation Hecommendaton 37 4 9 Microphone Intercom settingS ccccccccccecececeeeeeeeeeeeeeeeeeeeeeeeees 38 4 10 Post Installation Check iasisissaicdascsshicardnniadadtasavaganiaaspaasesabuniaaithinaane 39 TT ACCESSES EE 39 412 Drawing EE 40 4 121 Dimension S serie eaaa a aaie i aid 40 4 12 2 Mounting fe 41 5 ANHANG E 42 5 1 FreouencviChannel Plan 42 5 2 Technical Data 2 cc tcinscstene atsndectiodaducdesndssocdoiendaascddadedeocandedasezcodadiendeaeenk 43 5 3 Environmental Conditions EE 45 Dokument Nr 01 1411 010 71e Revision 3 01 4 ATR833A P N 833A xxx 1 xx Operation and Installation f u n k e AVIONICS GMBH 1 GENERAL This manual contains information about the physical mechanical and electrical characteristics as well as information about installation and operation of the aeronautical VHF voice radio ATR833A 1 1 Symbols Advices whose non observance can cause damage to the device or other parts of the equipment A 0 Information 1 2 Abbreviations Abb Name subject Definition ATC Air traffic control DIM Dimming Display brightness EXT External audio input FREQ Frequency INT Intercom On board communication no radio transmission PTT Pus
19. Output Headset Speaker Positive 3 HEAD HSP Output Headset Speaker Negative 4 EXT NF Input external Audio Signal 5 MIC R DYN MRD Input dynamic Microphone Glider Gooseneck Copilot Right 6 MIC L GND MLS Ground for Microphones Pilot Left MLD 7 INTERCOM ICS Intercom Activation Switch connect to l ground for activation of intercom 33 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1 xx Operation and Installation f u n k e AVIONICS GMBH 8 MIC L DYN MLD Input dynamic Microphone Glider Gooseneck Pilot Left 9 DATA RX RS232 RX for Remote Control 10 l do not connect 11 12V PWR UB Input Power Supply 12V 12 12V PWR _ UB__ Input Power Supply 12V 13 GND GND Ground Side of Power Supply 14 MIC R GND MRS Ground Microphones Copilot Right MRD 15 PTT L PTTL Push to Talk Pilot Left connect to ground for transmitting 16 LSP LSP Output external Loudspeaker Negative Not identical to ground 17 PTT R PTTR Push to Talk Copilot Right connect to ground for transmitting 18 MIC R STD MRS _ Input standard Microphone in headset Copilot Right 19 MIC L STD MLS Input standard Microphone in headset Pilot Left 20 AUTO ON AMON Avionic Master On in aircraft with avionic master switch may be connected to input power supply 12V to
20. S 10 0 D 0 Explosion Proofness Water Proofness 10 0 Fluids Susceptibilities Sand and Dust Fungus Resistance Salt Spray 16 0 17 0 Less than 0 3 m Compass Safe Distance Magnetic Effect Power Input DC 16 0 Voltage Spike Conducted 17 0 Audio Frequency Conducted ee 18 0 Susceptibility 45 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH Ee Induced Signal Susceptibility 19 0 JA o 2 i Radio Frequency Emission of RF Energy 9 M_ Lightning Induced Transient 220 B3 Susceptibility l F3 Lightning Direct Effects Electrostatic Discharge ESD Dokument Nr 01 1411 010 71e Revision 3 01 46 ATR833A P N 833A xxx 1xx Operation and Installation f u n k e AVIONICS GMBH Notes 47 Dokument Nr 01 1411 010 71e Revision 3 01 f u n k e AVIONICS GMBH f u n k e AVIONICS GmbH Heinz Strachowitz Str 4 DE 86807 Buchloe Germany phone 49 8241 80066 0 fax 49 8241 80066 99 E mail service funkeavionics de www funkeavionics de f u n k e means fabrication utilities network know how engineering
21. are available at www funkeavionics de Easy recall of the 10 last used frequencies OLED display for best readability under all conditions Configurable energy saving To avoid unintentional permanent transmission the transmitter automatically stops transmission after two Minutes of uninterrupted operation Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1xx Operation and Installation f u n k e AVIONICS GMBH 2 OPERATION 2 1 Controls MEM Short press Access user frequency CHANGE memory list of last used frequencies Long press In MEM only store freq ON OFF Ne AT RK 118 680 A Cc 124 9 ATR 833A VOL SEL Rotary knob Adjust value or select item given within the display s lower left corner Choosen with Gi adjust VOLume squelch etc Choosen with SELect item from list of frequencies uency name 18 SET Short press Choose item to be adjusted with Very lon Access configuration menu Use together to adjust volume squelch or other setting ress DW Activate Interchange Deactivate active and qual watch standby reception of frequency standby frequency EEN VE CUupecop FREQ Ston press Rotary Set underline knob to select which Change changed with value Long press In MEM only
22. election ses icsantsaniaiassnanesateatidacaleanmasaatidatadalaamamesandnasbignass 25 3 4 EXT External Audio Input s Behavior cccccccceceeceeeeeeeeeeeeeeeeees 26 3 5 Microphone Input Sensitivity ML GM DAMPDGIMPDID 27 3 5 1 MLS Left Standard microphone Input Sensitivity 27 3 5 2 MLD Left Dynamic Microphone Input Sensitivity 27 3 5 3 MRS Right Standard Microphone Input Sensitivity 27 3 5 4 MRD Right Dynamic Microphone Input Sensitivity 27 3 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation NES gn 3 6 TST Test E 28 3 7 Master E EE 28 Be INSTALLATION EE 29 4 1 POVIGES and Wir 29 4 2 Telecommunication Data een 29 4 3 COPS of delivery sicncceatascsint ca redscrdtativestusudceewecdendadenta nse tingendeaariecccnn 29 4 4 Unpacking and Inspecting the Eoupment na 30 4 5 Mounting E 30 4 6 Equipment Connections cccccccecsecececeeeeeeeeeseceeeeeeeeeeeeeeseeeeenaes 31 4 6 1 Mieropbone Connechon nnen 31 4 6 2 Headset Connection sescieisessciscsscssassesersssdscsanscindedessunvananveniacns 31 46 3 Ee e lee E EE ER 4 6 4 Remote Control Eengel garage eet 32 o Se E Te EE 33 4 7 1 Conductor Cross Gechon cc ceeeeeeececeeeeeceeeeeeseseeeeeeeeseaeees 33 4 7 2 Connector Pin Allocation 33 4 7 3 Wiring with Cable Harness BSKS833S BSKS833D 35 48 Antenna ee E
23. enable 8 33 kHz channel selection before flying into areas where 8 33 kHz channels are used When having the channel selection configured for 8 33 kHz steps the frequency is input in three steps 123 450 gt 123 450 gt 123 450 When having the channel selection configured for allowing 25 kHz channels only the frequency is input in two steps 123 450 123 450 2 5 3 Recall a Frequency from the User Memory To access the user memory frequency list press once and select one of the 100 memory entries with the turn knob The selected memory entry substitutes the former standby frequency In the lower left corner of the display the number of the memory entry selected is indicated by MEM xx with xx 00 99 If a name has been provided by the user for this memory entry it is displayed next to the memory entry number during the selection process ACT 123 450 SBY 21 270 MEM 17 HAMBURG Entry number Range 00 99 Lv interchanges the newly set standby frequency and the former active frequency and leaves the memory list menu 17 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH Alternatively the memory access automatically ends after a timeout or can be ended by pressing twice The former standby frequency has now been substituted by the
24. es on 4 minutes off DUTY CYCLE automatic turn off after 2 minutes of continuous transmit operation Pe O RECEIVER 105 dBm gt 6dB S N N SENSITIVITY m 30 1 kHz BANDWIDTH 25 KHZ 6 dB bandwidth gt 8 0 kHz BANDWIDTH 8 33 KHZ 6 dB bandwidth gt 2 78 kHz SELECTIVITY 40 dB bandwidth lt 17 0 kHz channel spacing 25 KHZ 60 dB bandwidth lt 22 0 kHz SELECTIVITY channel spacing 8 33 KHZ 60 dB bandwidth lt 7 37 kHz SPEAKER OUTPUT 24 W into 4 Q speaker output AF output deviation lt 6 dB AGC CHARACTERISTICS from 10 pV to 10 mV SQUELCH Automatic Squelch adjustable SPURIOUS RESPONSES gt 80 dB lt 25 at rated power 85 33dBm DISTORTION 850 2500Hz lt 10 at 10dB below rated power 70 33dBm Dokument Nr 01 1411 010 71e Revision 3 01 44 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 5 3 Environmental Conditions Characteristic DEEN Section Cat Conditon Temperature 7 Altitude e Low ground survival _ 55 C temperature Low operating temperature i i C1 Temperature High Short time Operating 4 5 2 70 Temperature High Operating Temperature In Flight Loss of Cooling No auxiliary cooling required Altitude 35 000 ft Temperature Variation 5 S 7 C change rate minimum per minute 6 G operational shocks 20 G Crash Safety Test Type R in all 6 directions Vibration Curve M B 60 e 80 90
25. ess of switches to the next configuration item a long press of exits the configuration menu Dokument Nr 01 1411 010 71e Revision 3 01 26 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 3 5 Microphone Input Sensitivity MLS MLD MRS MRD 3 5 1 MLS Left Standard microphone Input Sensitivity 3 5 2 MLD Left Dynamic Microphone Input Sensitivity 3 5 3 MRS Right Standard Microphone Input Sensitivity 3 5 4 MRD Right Dynamic Microphone Input Sensitivity configured in order to achieve equal volume with all OH Every microphone input s sensitivity can be individually microphones ACT 123 450 ACT 123 450 SBY 118 910 SBY 118 910 MLS 04 em MRS 04 o_o ACT 123 450 ACT 123 450 SBY 118 910 SBY 118 910 MLD 04 es MRD 04 e The following microphone inputs are available Microphone Input Left Right standard MLS MRS dynamic MLD MRD With VOX set to 5 previously select the microphone to adjust with Gi For each microphone input with running engine speak with normal volume into the selected microphone and use the rotary knob to adjust the sensitivity so that the bar reaches the middle of the scale as depictured above Per microphone input a maximum of two parallel installed microphones may be connected see 4 6 1 27 Dokument Nr 01 1411 010 71e Rev
26. f u n k e ATR833A OLED ER VHF Communication Transceiver ATR 833A P N 833A xxx 1 Xx Operation and Installation Dokument Nr 01 1411 010 71e abrication utilities network know how engineering ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH Change History Revision Date Description of Change 1 00 20 07 2010 FAV First Release 2 Knob HMI New operation function SW V6 1 1 01 31 08 2010 Microphone Muting for single PTT Squelch default Correction after internal review 1 02 07 12 2010 Correction of Compliance New cable harness SE GE New remote control beginning with SW V6 4 New cable harness Extended control A 22 06 2012 Tenue beginning with SW V7 0 2 02 10 06 2013 Information about dual watch operation Change of company name to 3 00 22 01 2014 f u n k e AVIONICS GmbH Information about antenna cable chapter4 8 301 24 11 2014 Inserted changed setting of Sideton volume from SW V7 3 in chapter 2 4 6 List of the Service Bulletins SB Services bulletins are to be inserted in the manual and to be put down in this table Rev SB Number No Issue Date Entry Date Name Survey of Variants Part Number Description P N 833A 000 000 Base variant four knob P N 833A 100 100 Two knob HMI P N 833A 301 100 New SW V7 2 Modified INT display and new sidet
27. h to Talk activates radio transmission SEL Selection SQL Squelch Noise suppression when no strong radio signal is received VOL Volume Volume of received radio signal VOX Voice activated intercom Intercom is activated by speech volume Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 1 3 Customer Support In order to facilitate a rapid return of shipments in case of repairs please follow the instructions of the input guide Reshipment RMA provided at the Service Area within the f u n k e AVIONICS GmbH web portal www funkeavionics de Any suggestions for improvement of our manuals are welcome Contact service funkeavionics de 9 9 Informations on software updates are available at f u n k e AVIONICS GmbH web portal www funkeavionics de 1 4 Features VHF communication transceiver with 6W output power in 160mm format Frequency range 118 000 to 136 975 MHz Automatic selection of 8 33 25 kHz channel spacing 4 microphone inputs 2 x standard 2 x dynamic Voice controlled intercom for up to 4 microphones can be deactivated for use with external intercom Dual watch technology simultaneous monitoring of two frequencies Auxiliary audio input Memory for up to 100 user definable named frequencies User defined frequency list exportable importable to from PC via RS232 PC softw
28. ical position so on or under the belly that it is as far distant as possible from all protruding parts propeller chassis vertical stabilizer e For glider installation the internal antenna installed by the manufacturer should be used e The SWR shall not exceed 3 1 The HF antenna wire must not be included in any other cable sets for example power supply or microphone It must also not be placed together with other antenna wires for example NAV or Transponder 4 9 Microphone Intercom settings The settings of MIC and VOX values are essential for Intercom The respective configuration options are described in sections 3 5 MIC Microphone level and 2 4 4 VOX threshold level If the VOX automatism is deactivated with VOX 01 intercom is activated using the intercom switch not PTT which connects PIN 7 intercom of the equipment connector to GND For operation with VOX activated PIN 7 has to be connected to GND permanently Transmission merely operates when PTT is pressed The suppression of background noise is only possible using differential microphones as they are usual with modern headsets Normal electret microphones are not suitable Dokument Nr 01 1411 010 71e Revision 3 01 38 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 10 Post Installation Check A certified maintenance shop must verify proper operation of the VHF Transceiver
29. ision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH For correct microphone sensitivity configuration VOX must be set to 5 previously for VOX settings refer to section 0 Don t care for volume of the headset s speakers output during this configuration as this is set separately by INT A short press of E switches to the next configuration item a long press of exits the configuration menu 3 6 TST Test Mode The last option in the setup mode is the test mode The test mode is used by maintenance personnel only for factory internal calibrations ACT 123 450 SBY 118 910 TST mode off The test mode is activated deactivated with MA 7145 With active test mode in normal operation of the radio the lower display line contains some internal parameters as shown below ACT 123 450 SBY 118 910 VOL 03 H423 V56 E22 Any press of exits the configuration menu 3 7 Master Reset To reset all configurations back to factory settings hold both the D and buttons pressed while switching the radio on with Y Aviation of the master reset is done with ver After performing the reset the confirmation successfully is displayed and the radio automatically restarts To leave the menu without performing a master reset press the key Dokument Nr 01 1411 010 71e Revision 3 01 28 ATR833A P N 833A
30. ith GY and advancing the selection sey 22a 350 with just as when manually MEM 17 KONSTANZ entering a standby frequency 7 Store the name ACT 124 350 e either with a long press of SBY 124 350 B MEM 17 KONSTANZ e or with a long press of We You can now leave the user memory access by pressing twice or by waiting for the timeout 2 6 Dual Watch Operation The ATR833A comprises one receiver therefore DUAL Watch simultaneously monitoring two frequencies is implemented by alternating automatically between the active and the standby frequency With dual watch mode active basically the standby lower frequency is tuned in shortly interrupted in regular intervals by tuning in the active upper frequency for a fraction of a second Every then detected radio signal on the active upper frequency has priority and pauses the dual watch monitoring of the standby lower frequency as long as the reception transmission continues on the active upper frequency Transmissions are always done one the active frequency The dual watch mode is activated by pressing and indicated by a changing the SBY label for the standby frequency to DW ACT 123 450 DW 135 700 VOL 05 The dual watch mode is deactivated by pressing Gi again and by any operations changing either of the frequencies Dokument Nr 01 1411 010 71e Revision 3 01 20 ATR833A P N 833A
31. mode In all other cases this feature shall be deactivated in order to prevent the usage of wrong frequencies and to avoid confusion of pilots not aware of the energy saving mode A short press of switches to the next configuration item a long press of exits the configuration menu 3 3 PTT Button Selection In case of using two external PTT buttons this configuration item can be used to deactivate one PTT button and the associated microphone s from enabling transmission ACT 123 450 SBY 118 910 PTT all mics With the rotary knob the following options can be selected all mics Both PTT buttons and all microphones are used for transmissions no matter what PTT button was pressed single mic According to the PTT button pressed the associated microphone is activated left only Only the left PTT button and the left microphone s are used for transmissions right only Only the right PTT button and the right microphone s are used for transmissions The intercom functionality is not affected by this setting A short press of switches to the next configuration item a long press of exits the configuration menu 25 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH transmissions in order to keep passengers from interfering Q When deactivating one PTT button and microphone for
32. ng In cooperation with a maintenance shop location and kind of the installation are specified The maintenance shop can supply all cables Suitable sets of cables are available from f u n k e AVIONICS GmbH Select a position away from heat sources Care for adequate convection cooling Leave sufficient space for the installation of cables and connectors Avoid sharp bends and wiring close to control cables Leave sufficient lead length for inspection or repair of the wiring of the connector Bend the harness at the rear connectors to inhibit water droplets formed due to condensation from collecting in the connector For mounting details drawing refer to chapter 4 12 2 Mounting Advices Dokument Nr 01 1411 010 71e Revision 3 01 30 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 6 Equipment Connections One 25 pin D SUB miniature connector includes all electrical connections except for the antenna slow blow A The UB wire has to protected by circuit breaker 4 Amp 4 6 1 Microphone Connection Microphone Left Right standard MLS MRS dynamics MLD MRD The inputs for standard microphones are appropriate for input voltages of 50 mVpp to 2 Vpp These inputs have a bias voltage of 8 V at 330 ohms Sensitivity is adjustable in the configuration menu see 3 5 The inputs for dynamic microphones are appropriate for input
33. one volume control from SW V7 3 P N 833A 302 210 Dokument Nr 01 1411 010 71e Revision 3 01 2 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH CONTENTS T e 5 1 1 le 5 1 2 Abbreviations siei ea aa aE Eei E E EEE E 5 1 3 Customer Support 6 UR SE EE 6 BZ MOP ERA TIOW E 7 2 1 COME E 7 22 e re EE 9 E SE 9 2 4 Basic Settings EE 11 2 4 1 VOL Elena 12 e Ee a O 12 2 4 3 DIM Display Pnobtmness AAA 13 2 4 4 VOX Voice Activation Speech Level for the Intercom 13 2 4 5 DWM Dual Watch Mute eee eeeeeeeeeeeeeeeeeeeeeee 14 2 4 6 INT Intercom Volume AAA 14 2 4 7 EXT Volume of the External Audio Input 15 25 e WEE due iccse cuseosarneescunantiqnscdaneddansadpedeontussernsauusbaniededucddans 16 2 5 1 8 33 25 kHz Channel Width Selection eeeeseeeeeeees 16 2 5 2 Manual Frequency Input asnacscedssseiinn sucesnetsinesnans REENEN 16 2 5 3 Recall a Frequency from the User Memory 000ceeeees 17 2 5 4 Recall a Frequency from the List of the 10 Last Used 18 2 5 5 Store a Frequency into the User Memory 000000000000000aaaaa 18 2 6 Dual Watch Ie ANON E 20 2 7 KE le E 22 e EE 22 3 CONFIGURATION swccccorcerneuseanesaancdecnarseusecauttonnmeseanesanteuntaabonedcanadusuneusanes cud 23 3 1 SPC Channel Spacing EE 23 3 2 Energy Saving Mode Automatic Display Darkenimg 24 3 3 PTT Button S
34. pressing the key six times with help from the VU rotary knob the volume from the connected external audio signals Warning tones music etc can be set The higher the value the louder the volume of the external audio signal A value of 00 deactivates the external audio input ACT 123 450 SBY 118 910 EXT 03 L Range 00 10 When no other device is connected to the external audio input the input should be muted by selecting 00 in order to Q prevent noise by pickup of on board interferences The priority of the external audio input in comparison to radio receptions can be configured see 3 4 15 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 2 5 Frequency Setting Frequency setting is always done by the two steps of 1 entering a new standby frequency to the desired value and then 2 interchanging the new oo frequency and the previous active frequency by using Entering a new standby Fna can be done by a manual input b recall of previously stored frequencies from the user memory or c recall from the list of the last 10 used frequencies 2 5 1 8 33 25 kHz Channel Width Selection Whether a frequency is used with channel width 8 33 kHz or 25 kHz is automatically determined by the value of the frequency entered and requires no additional user activity Channels u
35. quency within user memory BAT Very low supply voltage Set to 00 if no external device attached to prevent noise pickup Substitutes standby frequency can have name if provided by user Active frequency can be stored into this entry with long press on Substitutes standby frequency Displayed while selecting from user memory when the user has provided a name for this specific memory entry Transmission only with reduced power possible decreased radio range F1 F7 Internal failure Device must be sent back to the manufacturer 2 4 Basic Settings To choose between the following settings use the button VOL Volume chosen by default SQL Squelch DIM Display Brightness coun Speech level required to activate the intercom DWM Dual watch mute JC HR Intercom volume EXT Volume of external audio signals back to Volume oo Poy SS lt O gt lt can also be reached by long press of or 12 seconds inactivity The chosen setting can be adjusted by the rotary knob 11 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 2 4 1 VOL Volume Can be reached by a long press of the button but is also automatically chosen by the radio after 12 seconds of user inactivity Adjusts the volume of received radio signals by turning the knob The higher the value
36. r 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 7 3 2 Connector RMT for Remote Control This connector contains the serial interface and the power supplies for the remote control unit MSTR Master Radio Connector for the MSTR DATA TX__RMT RX Remote Control in the cable harness MSTR SW 12U QUT MSTR LIGHT BSKS833S D MSTR DATA RX__RMT TX MNSTR DATA GND View from Binder Connector Male aircraft s side 4 7 3 3 Connector EXT NF for Monaural Audio Input This connector is used for the input of monaural audio signals He can be used e g for acoustic traffic warnings for radio navigation receiver s acoustic identifiers or for input of music into the headsets The priority of radio reception in relation to this input can be configured as described in section 3 4 4 7 3 4 Auto ON Connector pin 20 determines the radio s behaviour when applying power To activate the radio in aircraft with a dedicated avionic master switch by this master i e by applying power to the radio connect pin 20 to the avionic master additionally to pins 11 and 12 in this case the radio s on off key has no functionality In aircraft without a dedicated avionic master pin 20 is left open in these case the radio s on off key is used Dokument Nr 01 1411 010 71e Revision 3 01 36 ATR833A P N 833A xxx 1Xx fu n k e Operation and Ins
37. se of a specific frequency as this is done by the ATR833A automatically depending onto the frequency value O entered The interested user may refer to chapter 5 for information about which frequency values correspond to which channel widths Please keep in mind to enable 8 33 kHz channel selection before flying into areas where 8 33 kHz channels are used 3 2 Energy Saving Mode Automatic Display Darkening In order to save energy and to extent the lifetime of the OLED display an automatic display darkening can be configured ACT 123 450 SBY 118 910 DPY always on With the rotary knob the following options can be selected always on No display darkening at all xx min off Automatic darkening after xx minutes of user inactivity xx range 1 30 Reactivation of the darkened display is done by press of any key except key or turn of any knob the action of the key pressed is performed when pressing the key again after the display turned on or when transmitting Dokument Nr 01 1411 010 71e Revision 3 01 24 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH This feature should only be used when e jt can be foreseen that no frequency changes will be required i e when using only limited airspace near one airport e g for circuit pattern training flights and e the crew is familiar with the energy saving
38. sed with 25 kHz width are entered in multiples of 25kHz 123 500 123 525 123 550 123 575 123 600 etc These are compatible with the old 25kHz only radios To use the same frequencies with 8 33kHz width the frequency values entered are increased by 5kHz 123 505 123 530 123 555 123 580 123 605 etc This numbering scheme used for this distinction is internationally standardised by ICAO and consistently used in official documents like e g the VFR navigation charts and phraseology used by ATC For more detailed information please refer to chapter 5 but as said above for correct channel width selection this knowledge is not required 2 5 2 Manual Frequency Input The standby frequency is input by e selecting with the button which part of the frequency to change and e changing the selected part with the FREQ rotary knob The selected part of the frequency is marked with the underline interchanges the newly set standby frequency and the former active frequency Dokument Nr 01 1411 010 71e Revision 3 01 16 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH In order to speed up the entering of new frequencies it is possible to configure the radio to allow entering of those frequencies only that are used with 25 kHz channel width Please refer to chapter 3 1 for information on this configuration However when choosing this option please keep in mind to re
39. t wire 4 6 4 Remote Control Panel In tandem seated aircrafts it is possible to control the ATR833A by a remote control panel ATR600RT Remote Control Unit Q The choice of the remote control depends onto the software version of the ATR833A Version up to SW V6 3 are remote controlled by the ATR600RT with 4 knob interface Versions starting from SW V6 4 on are remote controlled by the ATR6OORT with 2 knob interface If you use a ATR600RT with 4 knob interface please indicate in case of repairs and software updates that no SW version larger than V6 3 may be installed Dokument Nr 01 1411 010 71e Revision 3 01 32 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 7 Wiring 4 7 1 Conductor Cross Section Power Supply Power GND AWG18 0 96 mm Signals AWG22 0 38 mm The conductors used must be approved for aircraft installation 4 7 2 Connector Pin Allocation MIC R GND_ 1 1 Gesi PTT L 45 7 HEADS LSP 16 4 EXT NE SSATR2 cE IT R 17 S MIC R DYN MIC R STD 18 z MIC LND 25 pin connector at ere E 7 INTERCOM the ATR833A DATAND E g MIC L DYN DATA TX 22 9 DATA RX 1a cleave open LCD LIGHT 23 il 1 2U PUR A bl L2V OUT 24 12 12U PLR GND 25 13 GND D SUB Connector Female seen from solder side Pin Names Functionality 1 LSP LSP Output external Loudspeaker Positive 2 HEAD HSP
40. tallation AVIONICS GMBH 4 8 Antenna 4 8 1 Antenna Selection A VHF COM Antenna with an impedance of 50 Ohm is required Choose an antenna type approved for the aircraft and the mounting location The antenna should be located far away from ELT antennas and other VHF antennas Specified features depend on proper installation of the antenna 4 8 2 Antenna Cable The antenna is connected by a 50 Ohm coaxial cable The connection to the radio requires a male BNC connector Q The cable length the attenuation of the selected cable and the quality of the connections has a direct effect on the transmitted power at the antenna For support please contact your maintenance organization 4 8 3 Installation Recommendation Take note of the antenna manufacturer s instructions The metallic contact between airplane surface and antenna GND must be very good On non metallic airplanes a metal foil min 80 cm x 80 cm shall be used as electrical counterweight on the inside of the belly To avoid a mutual interference of the radios the antenna isolation between a voice transmission and a navigation antenna as well as between double COM antennas should be as large as possible A distance of 2 meters usually is sufficient 37 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH e Assemble the antenna in vert
41. voltages of 5 mVpp to 10 mVpp These inputs have no bias In general standard and dynamic microphones headsets can be used simultaneously In motor gliders when the engine is running the dynamic microphones should be turned off switch MLD MRD inputs to GND in order to avoid the transmission of the engine s noise If no dynamic microphone is installed the input sensitivity for MLD MRD shall be set to 1 see 3 5 Per input up to two microphones can be connected in parallel OH Unused microphone inputs should be short circuited 4 6 2 Headset Connection Headphones may be connected parallel as long as the total impedance doesn t fall below 8 Ohm 31 Dokument Nr 01 1411 010 71e Revision 3 01 ATR833A P N 833A xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH 4 6 3 Audio Input The external audio input can be used for the input of warn tones or music etc In order to avoid disturbances while this input is not used the respective wire needs to be short circuited Therefore connect PIN4 to GND With cable sets available from f u n k e AVIONICS the external audio input cinch jack is already short circuited by a blind plug This blind plug can be easily removed in order to use the external audio input A If the external audio wire PIN4 is not used it needs to be short circuited with GND in order to avoid disturbances received through tha
42. xxx 1Xx fu n k e Operation and Installation AVIONICS GMBH For dual watch the squelch must be set to a value of 02 at least as without proper squelch functionality the radio would not be able to detect whether on the active frequency a reception takes place In order to have an audible distinction between receptions on the active and the standby frequency it is possible to have the volume of the receptions from the standby frequency with a lower volume Please refer to chapter 2 4 5 for information onto this feature dual watch mute Quick approach Select or enter a standby frequency which should be additionally monitored Set SQL with the Gi and the rotary knob to a value of at least 02 Activate dual watch with Gi DW is shown As soon as no reception is determined on the activate frequency the mutual monitoring between active and standby frequency starts In order to deactivate dual watch press Gi once more or change the frequency Don t forget to interchange the active and standby frequencies before answering a call on the standby frequency Using dual watch requires switching between the active and the standby frequency Therefore it may happen that calls on the active frequency cannot be monitored completely As the result we recommend not to use dual watch in airspaces where listening watch is required

Operation and Installation ATR833A-OLED

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