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GMA 347 AUDIO PANEL INSTALLATION MANUAL

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2. 4 8 4 7 Installation Selection Inputs Pin Assignments 3472 4 8 4 8 External Configuration Module Pin Assignments J3472 sse ee 4 9 4 9 Speaker Pin Assignments J3472 eene entretenir 4 9 4 10 PA MUTE Pin Assignments J3472 4 9 4 11 Mic Audio Inputs Mic Key Pin Assignments 3471 4 10 4 12 ICS Key Pin Assignments J347 1 ied e rede rete eren eri EE 4 10 4 13 Com Audio and Mic Keys Pin Assignments J347 ener 4 11 4 14 Nav Audio Pin Assignments J3471 4 11 4 15 Headset Outputs Pin Assignments J3471 4 11 4 16 Music Inputs Pin Assignments J3471 4 12 4 17 Unswitched Audio Inputs Pin Assignments J3471 esses nennen 4 12 4 18 Telephone Inputs Outputs Pin Assignments 3471 4 12 4 19 AUX DME and ADF Audio Pin Assignments 3471 4 13 4 20 Failsafe Audio Pin Assignments 1347 4 13 Page GMA 347 Installation Manual Revision A 190 00325 01 GMA 347 HARDWARE MOD LEVEL HISTORY The following table identifies hardware modification Mod Levels for the GMA 347 Audio Panel Mod Levels are listed with the associated service bulletin number service bulletin date and the purpose of the modification The table is curr
3. 1 Crimp pins 4 onto each wire of the four conductor wire harness 3 Strip 1 8 of insulation from each wire prior to crimping 2 Insert newly crimped pins and wires 3 4 into the appropriate connector housing 5 location shown in the figure below 3 Apply the spacer 2 by wrapping it around the PCB Board 1 making sure to insert the plastic connector mounted on the board into the hole provided in the spacer 4 Plug the four conductor wire harness 3 into the connector on the PCB Board 1 5 Insert into the backshell 6 recess PCB Board 1 with pad 2 in position 6 Attach cover 7 to backshell 6 using screws 8 Figure 3 5 Configuration Module Installation Page 3 10 347 Installation Manual Revision A 190 00325 01 3 6 Circuit Breaker Placard Install a Circuit Breaker Placard labeled Audio Panel Audio Panel 1 or Audio Panel 2 as appropriate as indicated in FAA Advisory Circular AC 43 13 2A Paragraph 27 4 3 7 GMA 347 Unit Installation Do not use excessive force when inserting the GMA 347 into the rack This may damage the connectors unit and or unit rack If heavy resistance is felt during installation stop Remove the GMA 347 and identify the source of resistance For final installation and assembly refer to the outline and installation drawings shown in Appendix B of this manual Assemble the backshell as described in Section 3 5 Connect both backshells t
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8. 4 To remove the unit from the rack turn the hex wrench counterclockwise until it disengages from the rack Figure 2 1 GMA 347 Unit Rack 115 00427 00 GMA 347 Installation Manual Page 2 7 190 00325 01 Revision A This page intentionally left blank Page 2 8 GMA 347 Installation Manual Revision A 190 00325 01 3 INSTALLATION PROCEDURE 31 Unpacking Unit Carefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurred during shipment If the unit is damaged notify the carrier and file a claim To justify a claim save the original shipping container and all packing materials Do not return the unit to Garmin until the carrier has authorized the claim Retain the original shipping containers for storage If the original containers are not available a separate cardboard container should be prepared that is large enough to accommodate sufficient packing material to prevent movement of the item within the container 3 2 Marker Beacon Antenna Installation Install the marker beacon antenna according to the antenna manufacturer s instructions and FAA Advisory Circulars AC 43 13 1B and AC 43 13 2A Chapters 2 and 3 as applicable 3 3 Marker Beacon Antenna Cable Connectors The marker beacon antenna cable requires a BNC or similar coax connector on the antenna end Follow connector manufacturer instructions for assembly of the antenna connector 3 4 Electrical Connections All el
9. 2 8 Section 3 3 1 3 14 Section 4 4 1 4 14 Section 5 5 1 5 10 Appendix A A 1 A 6 Appendix B B 1 B 6 Appendix C C 1 C 24 Page A 347 Installation Manual Revision A 190 00325 01 NOTE At the time of this edition the current software version for the GMA 347 is 2 09 The software version and information in this document are subject to change without notice Visit the Garmin web site www garmin com for current manual updates and supplemental information concerning the operation of this and other Garmin products INFORMATION SUBJECT TO EXPORT CONTROL LAWS This document may contain information which is subject to the Export Administration Regulations EAR issued by the United States Department of Commerce 15 CFR Chapter VII Subchapter C and which may not be exported released or disclosed to foreign nationals inside or outside of the United States without first obtaining an export license A violation of the EAR may be subject to a penalty of up to 10 years imprisonment and a fine of up to US 1 000 000 under Section 2410 of the Export Administration Act of 1979 Include this notice with any reproduced portion of this document This product its packaging and its components contain chemicals known to the state of California to cause cancer birth defects or reproductive harm This notice is being provided in accordance with California s proposition 65 If you have any questions
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11. The Cancel button will NOT apply the SET settings and will close the Configuration Tool 5 5 3 Apply Button The Apply button will apply the SET settings and the Configuration Tool will remain open 5 5 4 Upload Button The Upload button is used to perform a system or boot block code upload 5 5 5 Load Config and Save Config Buttons The Load Config option will load settings from a configuration file into the GMA 347 The data format of the config file is shown in the CONFIG EXAMPLE at the end of this document The config file format should never be changed only the values that follow the equals signs If values entered are not valid as specified in the VALID DATA RANGES section at the end of this document the incorrect value will be replaced with a default value For options that have data range of 31 to 31 the Load Config operation will accept two digit number with or without a negative sign Ex 15 15 If characters are entered after a number i e 8c the 8 will be the only value output to the application s window If only characters are entered a zero 0 will be output to the display for that value For options that use a 0 or 1 for the config a 0 represents NOT SET and a 1 represents that the option will be SET The Save Config button queries the GMA 347 for the current config values then stores those values in a ini file regardless of whether or not the SET box is different than the ACTIVE box The
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13. 1 4 2 TSO Deviations The following table provides a list of applicable TSO deviations for the GMA 347 Garmin was granted a deviation from TSO C35d to use RTCA DO 160D instead of RTCA DO 138 as the standard for Environmental Conditions and Test Procedures for Airborne Equipment Garmin was granted a deviation from TSO C35d to use FAR 21 607 d instead of FAR 37 7 as the general rules governing holders of the TSO authorizations Garmin was granted a deviation from TSO C50d to use RTCA DO 178B instead of RTCA DO 178A as the standard for Software Considerations in Airborne Systems and Equipment Certification Garmin was granted a deviation from TSO C50d to use RTCA DO 160D instead of RTCA DO 160A as the standard for Environmental Conditions and Test Procedures for Airborne Equipment GMA 347 Installation Manual Page 1 5 190 00325 01 Revision A 1 5 Reference Documents The following publications are sources of additional information for installing the GMA 347 Before installing the unit the technician should read all referenced materials along with this manual 190 00325 00 GMA 347 Pilot s Guide 1 6 Limited Warranty This Garmin product is warranted to be free from defects in materials or workmanship for two years from the date of purchase Within this period Garmin will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for pa
14. To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction Garmin International Inc Garmin Europe Ltd 1200 East 151 Street Unit 5 The Quadrangle Abbey Park Industrial Estate Olathe Kansas 66062 U S A Romsey 5051 9 U K Phone 913 397 8200 Phone 44 0870 851241 FAX 913 397 0836 FAX 44 0870 851251 Page 1 6 GMA 347 Installation Manual Revision A 190 00325 01 2 INSTALLATION OVERVIEW 2 1 Introduction This section provides hardware equipment information for installing the GMA 347 Audio Panel related hardware and suggestions relating to the marker beacon antenna Installation of the GMA 347 should meet the requirements of FAA Advisory Circulars AC 43 13 1B and AC 43 13 2A where applicable Cabling is fabricated by the installing agency to fit each particular aircraft 2 2 Wiring Use AWG 22 or larger wire for all connections unless otherwise specified in the interconnect diagrams in Appendix C The standard pin contacts supplied in the connector kit are compatible with up to AWG 22 wire In cases where some installations have more than one unit sharing a common circuit breaker sizing and wire gauge is based on aircraft circuit breaker layout length of wiring current draw of units and internal unit protection characteristics Do not attempt to combine more than one uni
15. selected Figure 5 4 will appear to indicate a selection must be made to specify the code type to be loaded CONFIG x A Please select radio button indicating which code will be uploaded to unit Figure 5 4 Radio Button Not Chosen and Upload Selected After selecting the type of code to load Figure 5 5 will open for the Hex file of the software to be selected open Look in E system TERNAL SIDETONE 006 80203 07 hex TE AUDIO ON TE AUDIO ON a Code Upload Sys BB Upload Filename 006 80203 07_04 hex Files of type Hex File Cancel 2 Figure 5 5 File Selection Select the Hex file to upload and click on Open If boot code is selected while attempting to do a system code upload Figure 5 6 will warn about the possible user error Clicking cancel will allow the correct Hex file to be selected GMA_CONFIG A The 006 B0203 BB_04 hex does not appear to be 575 hex file Click OK to go Forward with the code upload Cancel to cancel Figure 5 6 Wrong Hex File Selected Selecting Boot Code for System Code Upload If system code is selected for a boot block upload Figure 5 7 will warn that the wrong hex file has been selected Page 5 6 347 Installation Manual Revision A 190 00325 01 CONFIG EE _ x The file 006 80203 06
16. 2 4 Installation Materials 2 4 1 Configurations Available The GMA 347 is available in three versions under the following part numbers Catalog part numbers are shown with and without the installation kit Model GMA 347 GMA 347 Front Panel Color Black Unit P N 011 00807 00 011 00807 00 Catalog P N 010 00275 00 010 00275 01 Installation Kit GMA 347 011 00807 10 010 00275 10 GMA 347 011 00807 10 010 00275 11 GMA 347H 011 00807 20 010 00275 20 GMA 347H 011 00807 20 010 00275 21 2 4 2 Equipment Available Each of the following accessories is provided separately or in kit form for the GMA 347 The installation kit includes the unit and the following hardware Item Garmin P N Sub Assy Connector Kit GMA 347 011 00813 01 SMP Install Rack GMA 347 115 00427 00 Sub Assy Backplate GMA 347 011 00812 00 Configuration Module Kit 011 00979 00 Garmin Marker Beacon Antenna Kit 010 10175 00 Note A marker beacon antenna approved to TSO C35d that has been installed to meet the requirements of this manual may be approved for use with the GMA 347 2 43 Additional Equipment Required e Antenna sealant use manufacturer s instructions install according to FAA Advisory Circular AC 43 13 2A e Cables The installer will fabricate and supply all system cables Interconnect wiring diagrams are detailed in Appendix C e Hardware 6 32 x
17. 4 and Appendix C for connection details e 3 Transceiver Inputs Figure C 3 e 5 Receiver Inputs Figure C 3 e 4 Unswitched Inputs Figures C 3 2 Aircraft Power Inputs Figure C 1 e Discrete Inputs Outputs Figure C 4 e Marker Beacon Antenna Input Figure C 1 e External Marker Beacon Lamp Driver Outputs Figure C 4 1 3 Technical Specifications The following tables present general environmental specifications For detailed specifications see the Environmental Qualification form in Appendix A 1 3 1 Physical Characteristics Specification Characteristic Bezel Height 1 3 inches 33 mm Bezel Width 6 29 inches 160 mm Rack Height 1 325 34 mm Rack Width 6 30 inches 160 mm Depth Behind Panel with 7 79 inches 198 mm Connectors measured from face of aircraft panel to rear of connector backshells GMA 347 Unit Weight 1 7 lbs 0 8 kg GMA 347 Rack Weight Installed 2 4 105 1 1 kg with rack and connectors GMA 347 Installation Manual Page 1 3 190 00325 01 Revision A 1 3 2 Electrical Characteristics Specification Regulatory Compliance Characteristic RTCA DO 160D Environmental Conditions and EUROCAE ED 14D Unit Software RTCA DO 178B Level D Temperature Range 45 C to 70 C Altitude 55 000 Feet Audio Panel Transceiver inputs 3 Receiver inputs 5 Unswitched inputs 4 Input impedance 500 Q Input isolation 60 dB minimum Special
18. 5 1 190 00325 01 Revision A The Configuration Tool program will show the Hardware Unit type as being a GMA 347 the current system Software Version the Software Part Number and the Product Serial Number GMA Configuration Tool _ j xl Hardware Llnit Type GMA 347 Software Version Number 2 03 575 Software Part Number 006 80203 08 Product Serial Number 47000302 Load Config Save Config HEADSET VOLUME MARKER BEACON CONFIGURATION INPUTS SET SET SET MUSIC 1 4 HISENSE THRESHOLD 0 MASQ INHIBIT MUSIC 2 jo LO SENSE THRESHOLD o fo ICS MUTE J UNSWITCHEDIN 1 o fo VOLUME p INTERNALSIDETONE UNSWITCHEDIN 2 o KEYPAD ANNUNCIATORS m i UNSWITCHED INS o Sree eal lll S ALTITUDE WARNING o 0 MASTER SQUELCH DISABLE TEL SET DISABLE DME sensitiv vae o DISABLE ADF Code Upload SPEAKER VOLUME sys SET active DISABLE SPUTCOM P TNI CREW AUDIO o o DISABLE PLAY In o DISABLE 0 0 DISABLE SPKR Save and Exit Cancel Apply Figure 5 2 GMA Configuration Tool Screen 5 5 Connect and Disconnect Buttons When the GMA Configuration Tool is first opened all available COM ports will continuously be queried until
19. 91 21 FCC 47 CFR 22 925 prohibits airborne operation of cellular telephones installed in or carried aboard aircraft Cellular telephones must not be operated aboard any aircraft while the aircraft is off the ground When any aircraft leaves the ground all cellular telephones on board that aircraft must be turned off Cellular telephones that are on even in a monitoring state can disrupt GPS performance The Garmin GMA 347 is a horizontally oriented panel mounted audio control panel and marker beacon system The system delivers reliability and versatility for all audio controlling functions LED illuminated pushbuttons and logical panel layout allow audio selection of NAV COM LED annunciator brightness is adjusted to an appropriate level for ambient cockpit light conditions automatically by photocell dimming Key brightness is controlled manually with the radio lighting dimming bus A failsafe circuit connects the pilot s left headset channel and microphone directly to COM 1 in case power is interrupted or the unit is turned off The Garmin GMA 347 Audio Panel incorporates a microcontroller for processing front panel key commands annunciator control input output functions and communication The GMA 347 includes a six position intercom system ICS with electronic cabin noise de emphasis two stereo music inputs and combined pilot copilot and passenger volume controls The intercom provides four selectable modes of isolation All Cr
20. Ground reference for speaker audio _ SPEAKER AUDIO OUT HI Speaker audio output 4 3 8 PA MUTE PA MUTE is an output that when pulled low is active It is used to trigger the mute function on an external PA system Table 4 10 PA MUTE Pin Assignments J3472 Pin _____ Description VO OUT Output capable sinking 500 Denotes Active Low Ground to activate GMA 347 Installation Manual Page 4 9 190 00325 01 Revision A 4 4 93471 Connector Pin Assignments This section covers the pin connections of J3471 only 4 4 1 Mic Audio Inputs and Mic Keys Table 4 11 Mic Audio Inputs and Mic Key Pin Assignments J3471 Pin Name Description PILOT MIC KEY IN Enables audio into the respective COPILOT MIC KEY IN transceiver unit PILOT MIC AUDIO IN HI PILOT MIC IN LO COPILOT MIC AUDIO IN HI Copilot Mic audio input and ground COPILOT MIC IN LO reference PASS 1 MIC AUDIO IN HI Passenger 1 Mic audio and ground PASS 1 MIC AUDIO IN LO reference PASS 2 MIC AUDIO IN HI Passenger 2 Mic audio and ground PASS 2 MIC AUDIO IN LO reference PASS 3 MIC AUDIO IN HI Passenger 3 Mic audio and ground PASS 3 MIC AUDIO IN LO reference PASS 4 MIC AUDIO IN HI Passenger 4 Mic audio and ground PASS 4 MIC AUDIO IN LO reference Pilot Mic audio input and ground reference Denotes Active Low Ground to activate 4 4 2 ICS Keys Table 4 12
21. ICS Key Pin Assignments J3471 Description Pin _____ COPILOT ICS KEY Enables audio into the intercom system PASS ICS KEY Denotes Active Low Ground to activate Page 4 10 GMA 347 Installation Manual Revision A 190 00325 01 4 4 3 Com Audio and Mic Keys Table 4 13 Com Audio and Mic Keys Pin Assignments J3471 Pin Name ON SIDE COM MIC KEY CROSS SIDE COM MIC KEY COM 3 MIC KEY ON SIDE COM AUDIO IN HI Description Enables audio into the respective transceiver unit Com 1 audio input ON SIDE COM MIC AUDIO OUT HI Com 1 audio output ON SIDE COM AUDIO LO CROSS SIDE COM AUDIO IN HI Ground reference for Com 1 audio Com 2 audio input CROSS SIDE COM MIC AUDIO OUT HI Com 2 audio output CROSS SIDE COM AUDIO LO Ground reference for Com 2 audio COM 3 AUDIO HI Com 3 audio input COM 3 MIC AUDIO OUT HI Com 3 audio output COM 3 AUDIO LO Ground reference for Com 3 audio Denotes Active Low Ground to activate 4 4 4 Nav Audio Table 4 14 Nav Audio Pin Assignments J3471 Pin PinName_ Description ____ VO 6 ON SIDE NAV AUDIO INHI Naviaudoinpt In 25 ON SIDE NAVAUDIOINLO Nav 1 ground reference 34 CROSS SIDE NAV AUDIO LO Nav2groundreference 4 4 5 Headset Outputs Table 4 15 Headset Outputs Pin Assignments J3471 Pin Name PILOT HEADSET AUDIO OUT LEFT PILOT HEAD
22. Marker Beacon Antenna Cable Installation Use coaxial cable meeting the applicable aviation regulation for the marker beacon antenna Any cable meeting specifications is acceptable for the installation When routing antenna cables observe the following precautions e All cable routing should be kept as short and as direct as possible e Avoid sharp bends e Avoid routing cables near power sources e g 400 Hz generators trim motors etc or near power for fluorescent lighting e Avoid routing cable near ADF antenna cable allow at least a 12 inch separation GMA 347 Installation Manual Page 2 5 190 00325 01 Revision A 2 7 Installation Approval Considerations for Pressurized Aircraft Antenna and cable installations on pressurized cabin aircraft require FAA approved installation design and engineering substantiation data whenever such installations incorporate alteration penetration of the cabin pressure vessel by connector holes and or mounting arrangements For needed engineering support pertaining to the design and approval of such pressurized aircraft antenna installations it is recommended that the installer proceed according to any of the following listed alternatives 1 Obtain approved antenna installation design data from the aircraft manufacturer 2 Obtain an FAA approved Supplemental Type Certificate STC pertaining to and valid for the subject antenna installation 3 Contact the FAA Aircraft Certification O
23. THRESHOLD required for a lamp on condition Volume adjustments can be made by adjusting the volume up or down VOLUME Increasing the number will increase the volume and decreasing the number will decrease the volume 5 8 Keypad Annunciators DISABLE COM3 Each of the following keys can be disabled so that pushing the DISABLE TEL associated button will do nothing DISABLE DME DISABLE ADF DISABLE SPLIT COM DISABLE PLAY DISABLE PA DISABLE SPKR 5 9 Configuration Inputs MASQ INHIBIT Setting this option will turn off the Master Squelch ICS MUTE Setting this option will mute Music 1 during ICS activity INTERNAL Setting this option will provide sidetone for installations using SIDETONE transceivers that do not provide sidetone MUTE AUDIO ON TX Setting this option will mute all secondary COM audio when transmitting audio on the primary COM Setting this option will mute all secondary COM audio when receiving audio on the primary COM Setting this option will record COM 2 audio on the voice recorder when the unit is in Split COM mode MUTE AUDIO ON RX RECORD COM2 347 Installation Manual Page 5 5 190 00325 01 Revision A 5 10 Code Upload To upload code first select the type of code to be loaded into the unit SYS is SYSTEM code and BB is BOOT BLOCK code If no selection is made by using the mouse to select a radio button and Upload 15
24. Volume MUSIC 1 Volume adjustments can be made by adjusting the volume up or MUSIC 2 down for each of the listed audio selections Increasing the UNSWITCHED IN 1 number will increase the volume and decreasing the number will UNSWITCHED IN 2 decrease the volume UNSWITCHED IN 3 ALTITUDE WARNING 5 6 5 Master Squelch The sensitivity level of the Master Squelch can be adjusted up or down Increasing the number will increase the receiver sensitivity decrease SENSITIVITY VALUE the amount of audio required to break squelch Decreasing the number will decrease the receiver sensitivity increase the amount of audio required to break squelch 5 6 6 Speaker Volume Volume adjustments can be made by adjusting the volume up or CREW AUDIO down Increasing the number will increase the volume and decreasing the number will decrease the volume PILOT MIC TO SPKR Volume adjustments can be made by adjusting the volume up or down Increasing the number will increase the volume and COPILOT MIC TO SPKR decreasing the number will decrease the volume Page 5 4 GMA 347 Installation Manual Revision A 190 00325 01 5 7 Marker Beacon HI SENSE Both High and Low sensitivity threshold numbers can be adjusted up or THRESHOLD down Increasing the number will decrease the threshold required for a LO SENSE lamp on condition Decreasing the number will increase the threshold
25. a connection is made with a GMA 347 Figure 5 3 All SET boxes will become editable and the product information will appear in place of the No Connection message once the initial connection is made GMA Configuration Tool Hardware Unit Type Software Version Number Connecting Software Part Number No Connection Product Serial Number Figure 5 3 Connecting to the GMA 347 Page 5 2 GMA 347 Installation Manual Revision A 190 00325 01 If the user presses the Disconnect button after an initial connection is made with the GMA 347 the Connect button will replace the Disconnect button After the Connect button is pressed the application will behave similarly to initial startup in that it will continuously try to connect toa GMA 347 on COM ports 1 10 until successful If a GMA 347 is connected to the PC COM port the Disconnect button will be visible above the Apply button Pressing the Disconnect button causes the GMA 347 Configuration Tool to disconnect from the GMA 347 and the Connect button will have to be pressed to reconnect If there is a connection between the PC and the GMA 347 and the connection gets interrupted for more than five seconds either by loss of power to the GMA 347 or a disconnected data cable the effect will be identical to pressing the Disconnect button 5 5 1 Save and Exit Buttons The Save and Exit button will apply the SET settings and will close the Configuration Tool 5 5 2 Cancel Button
26. again GMA CONFIG E Code upload Failed Figure 5 11 Code Upload Failed When the code upload is finished Figure 5 12 will appear to indicate code upload completion x Code upload complete Figure 5 12 Code Upload Complete Page 5 8 347 Installation Manual Revision A 190 00325 01 5 11 Configuration Example hs_music1_vol 0 hs_music2_vol 0 hs_unswch1_vol 0 hs_unswch2_vol 0 hs_unswch3_vol 0 hs_altwarn_vol 0 spkr_crew_vol 0 mkr_vol 0 dsbl spkrzO pil mic vol O cop mic vol O master sql 0 lo sens thrd O0 hi sens thrd O0 masq_inht 0 ics_mute 0 intl_sidetone 0 dsbl play 0 dsbl pa 0 mute tx 0 mute 0 dsbl rec_com2 0 dsbl_com3 0 dsbl_tel 0 dsbl_dme 0 dsbl adf 0 347 Installation Manual 190 00325 01 Page 5 9 Revision A 5 12 Valid Data Ranges DESCRIPTION VALID DATA Headset music 1 volume Headset music 2 volume Headset unswitched 1 volume Headset unswitched 2 volume Headset unswitched 3 volume Headset altitude warning volume Speaker crew audio volume Headset marker beacon volume Disable speaker Pilot mic to speaker volume CoPilot mic to speaker volume Master squelch sensitivity level LO sense threshold HI sense threshold MASQ inhibit ICS mute Select internal sidetone Disable play Disable PA Mute audio on TX Mute audio on R
27. criterion when tested as stated in the reports to radiated and conducted susceptibility category W 3 Qualification to additional levels and configurations has been shown as follows Garmin Report 005 00291 00 G1000 SHIELD BLOCK QUALIFICATION This report shows that all part numbers on this EQF when installed and configured as per this report may substitute a Shield Block in place of a SPIDER GMAX347 Environmental Qualification Form 005 00155 79 Page 4 of 4 Rev F Figure A 1 GMA 347 Environmental Qualification Form Sheet 3 of 3 Page A 6 347 Installation Manual Revision A 190 00325 01 V UOISIAOS T0 c 00 061 2 o3eq 1 9 2864 uonejposu VINO uinno 272 WIND 1 9 271 1009 02 66 526 st jos lt oe SZ di S lt CQ 99 66 sz 1 LSS Zw 1 9 99 B T v2 96 9 91 99 6 8 SE 8 61 6 9 __________ 11461996 m SS 1 0 Fo gt E 5 2 Z p 9 BRO 0 08 sI 38 NS 5 2B 7
28. equipment list weights and balance amended Compass compensation checked and found to conform to applicable regulations A 2 Continued Airworthiness Maintenance of the GMA 347 is on condition only Refer to the GMA 347 Maintenance Manual Garmin P N 190 00325 02 Periodic maintenance of the GMA 347 is not required The following sample Instructions for Continued Airworthiness ICA provides assistance in preparing ICA for the Garmin GMA 347 unit installation as part of an FAA Type Certificate TC or Supplemental Type Certificate STC project to comply with 14 CFR 23 1529 and 25 1529 Instructions for Continued Airworthiness Items that may vary by aircraft make and model are shown in braces and should be filled in as appropriate Some of the checklist items do not apply in which case they should be marked N A Not Applicable GMA 347 Installation Manual Page A 1 190 00325 01 Revision A Instructions For Continued Airworthiness Garmin GMA 347 Audio Panel In An Aircraft Make And Model 1 Introduction Aircraft that has been altered Registration N number Make Model and Serial Number Content Scope Purpose and Arrangement This document identifies the Instructions for Continued Airworthiness for a Garmin GMA 347 installed in an aircraft make and model Applicability Applies to a Garmin GMA 347 installed in an aircraft make and model Definitions Abbreviations None N A Precautio
29. intercom mode Refer to the GMA 347 pilot s manual for details MUSIC 1 is soft muted when an interruption occurs from an aircraft radio Soft muting is the gradual return of MUSIC 1 to its original volume level MUSIC 1 can also be configured to mute during ICS activity MUSIC 2 is a non muted input 1 2 1 Features Summary e Logical front panel layout e LED annunciators indicate selected function Six position intercom pilot copilot four passengers Three stereo headset amplifiers for pilot one for copilot and one for the passengers Two stereo music source inputs Four selectable intercom operational modes e Independent pilot copilot and passenger volume control e VOX control for mic inputs e Automatic selection of radio audio source when corresponding mic is selected e MASQ Processing e Split COM transceiver function Copilot may transmit and receive on COM 2 while pilot transmits and receives on COM 1 COM swap function TX indication e SmartMute marker audio muting Autosquelch e Speaker output for radios or PA function Power off fail safe connection for Pilot PTT mic and Pilot s Headset Left to COM 1 e Voice Recorder with Playback e Configurable Options See Sections 4 and 5 for connection and configuration details Page 1 2 GMA 347 Installation Manual Revision A 190 00325 01 1 2 2 Interface Summary The following is an interface summary for the GMA 347 See Section
30. or would like additional information please refer to our web site at www garmin com prop65 GMA 347 Installation Manual Page i 190 00325 01 Revision A This page intentionally left blank Page 11 GMA 347 Installation Manual Revision A 190 00325 01 TABLE OF CONTENTS PARAGRAPH 1 GENERAL DESCRIPTION pericia 1 12 Introduction UR 1 2 Equipment Description iiie perte ti ueteri etie t 1 3 Technical Specifications the reat ee e d PR Po ER ERR sas 1 4 Certification ior d te Ue 1 57 Reference Documents z u u al haat CA 1 6 Limited Warranty ne denies aro 2 INSTALLATION OVERVIEW 2 1 Introduction s deret teet tet ERN CERA 0 2 debate 2 3 Cooling Ar iid esed b etti 2 4 Installation 2 5 347 Wiring and Software Configuration Options 2 6 Marker Beacon Antenna Installation 2 7 Installation Approval Considerations for Pressurized 2 8 Electrical WISN ota 2 9 347 3 INSTALLATION PROCEDURE 34 Unpacking uiu una am e at
31. 04 is too large to fit in the boot block region Aborting upload Figure 5 7 Wrong Hex File Selected Selecting System Code for Boot Code Upload Selecting the correct Hex file and clicking Open will start the code upload After the correct Hex file is selected Figure 5 8 will open with the title Erasing Flash In approximately 20 seconds the window displayed in Figure 5 8 will turn into the window displayed in Figure 5 9 The Uploading Flash window shows the percentage of code uploaded the time remaining and the time elapsed Flash being erased Erasing Flash 0 0 Time Remaining Time Elapsed 00 03 Figure 5 8 Erasing Flash Code Upload window after flash has been erased Uploading Flash S 1 8 Time Remaining 06 23 Time Elapsed 00 25 Cancel Figure 5 9 Uploading Flash If the Cancel button is clicked while the code is being uploaded Figure 5 10 will warn that a code upload Is In progress Click No to resume the code upload Click Yes to cancel the code upload GMA CONFIG A There is a code upload in progress Are you sure you want to cancel the upload Yes No Figure 5 10 Canceling a Code Upload If the code upload is cancelled Figure 5 11 will show that the code upload failed GMA 347 Installation Manual Page 5 7 190 00325 01 Revision A If this failure occurs DO NOT turn the unit power off Reselect the code to be uploaded and attempt the code upload
32. 100 Flat Head SS Screw MS24693 AN507R or other approved fastener 6 ea and 6 32 Self Locking Nut MS21042 or other approved fastener 6 ea Hardware required to mount the installation rack is not provided e Stereo headphone jacks up to 6 microphone jacks up to 6 3 5 mm stereo jacks up to 2 and insulating washers for all Page 2 2 Revision A 347 Installation Manual 190 00325 01 2 5 GMA 347 Wiring and Software Configuration Options The GMA 347 can be configured in different ways for the flight crew Consideration of options should be discussed with the end user s of the aircraft before wiring begins While Section 4 and Appendix C contain connection details the actual features employed or omitted are dependent on the wiring options and the Software configuration selected Refer to Section 5 for configuration instructions 2 5 1 Hard Wiring Configuration Options The following list shows the hard wiring configuration options available for the GMA 347 Function and Purpose Hard Wiring Configuration Options Com Swap Transfers the active Com Swap Pushbutton Switch microphone between Com 1 and Com 2 External lamps Provides an extra External Marker Beacon Lights set of Marker Beacon indicators located away from the GMA 347 Two Playback Options Record Playback Pushbutton Switch An external pushbutton activates voice recorder playback A toggle switch enables or Record Playback Toggle Switch disabl
33. 1f needed before finally inserting the screw into the tapped holes on the Shield Block Do not violate the guidelines presented in Step 8 regarding ring terminals 11 It is recommended to wrap the cable bundle with Silicone Fusion Tape 13 GPN 249 00114 00 or a similar version at the point where the backshell strain relief and cast housing will contact the cable bundle Note Choosing to use this tape is at the discretion of the installer 12 Place the smooth side of the backshell strain relief 14 across the cable bundle and secure using the three screws 15 Warning Placing the grooved side of the strain relief across the cable bundle may risk damage to wires 13 Attach the cover 16 to the backshell 1 using two screws 17 Figure 3 4 Parallel Shield Termination Page 3 8 GMA 347 Installation Manual Revision A 190 00325 01 3 5 2 Configuration Module Installation Table 3 6 lists part numbers for the Configuration Module Kit Table 3 6 Configuration Module Kit 011 00979 00 Description Garmin P N Configuration Module PCB Board Assembly w EEPROM 012 00605 00 Cable 4 Conductor Harness 325 00122 00 Crimp Pins 22 AWG HD 336 00021 00 Spacer Spacer Config Module 213 00043 00 GMA 347 Installation Manual Page 3 9 190 00325 01 Revision A 3 5 3 Configuration Module Assembly Procedure Table 3 7 Configuration Module Wire Color Reference Chart Function J3472 Pin Ground Vcc Data Clock
34. 2 5 minutes of audio is recorded 4 Verify that after playing back the full 2 5 minutes of stored audio that the playback system audio stops 3 8 7 Music System Check 1 Set the intercom to the ALL mode Pilot and Copilot LED s off 2 Connect a stereo audio source to MUSIC 1 Verify that stereo audio is heard over the Pilot and Copilot headset positions 3 Tune a station on COM and verify that the sound is muted by active COM 1 audio break squelch on COM 1 if necessary 4 Connect a stereo music source to MUSIC 2 Verify that stereo audio is heard in the passenger headsets GMA 347 Installation Manual Page 3 13 190 00325 01 Revision A 3 8 8 Flight Check Be sure to check all aircraft control movements before flight is attempted to insure that the wiring harness does not touch any moving part Verify proper operation of the marker beacon during a flight test under VFR conditions Perform a flight test after installing the unit to ensure satisfactory performance of the audio and marker beacon receiver functions Verify proper operation of the marker lamps and marker audio including the marker audio mute function Check proper operation of the sensitivity selection using the SENS key by flying towards the outer marker OM position initially using HI sensitivity When the OM audio is just barely audible in the headset switching to LO sensitivity should reduce or eliminate the audio This completes the in aircraft post installati
35. 29 97 Equipment identified as Category X no test performed Equipment identified as Category X no test performed Issued 07 29 97 Sand and Dust Equipment identified as Category X no test performed Issued 07 29 97 Fungus Resistance 13 0 Equipment identified as Category X no test performed Issued 07 29 97 z if gt Fluids Susceptibility 11 0 Equipment identified as Category X no test performed Issued 07 29 97 z z fi f 14 0 Issued 07 29 15 0 Issued 07 29 97 16 0 Change No 2 Issued 6 12 2001 17 0 Issued 07 29 97 18 0 Change No 2 Issued 6 12 2001 Issued 07 29 97 Radio Frequency Susceptibility 20 0 Radiated and Conducted Energ Change No 1 Issued 12 14 2000 Lightning Induced Transient Susceptibility Salt Spray Magnetic Effect Voltage Spike Audio Frequency Conducted Susceptibility Power Inputs Equipment identified as Category X no test performed 97 Equipment tested to Category Z Equipment tested to Categories BZ Equipment tested to Category A Equipment tested to Categories BZ Equipment tested to Category A Equipment tested to Category T See Note 3 Equipment tested to Category B Equipment tested to Categories A Z X XX 21 0 Issued 07 29 97 22 0 Change No 3 Issued 12 05 2002 See Note 2 Lightning Direct Effects Equipment identified as Category X no test performed Issued 07 29 97 Icing 24 0 Equipment identified as Category X n
36. 7 Marker B COn e n a emo etr irt oie te an advo irt pee eo eei eee 5 5 5 8 Keypad 5 5 5 9 Configuration neri et 5 5 510 Code Upload de 5 6 5 11 Configuration Example cedent 5 9 5 12 5 10 APPENDIX CERTIFICATION DOCUMENTS Airworthiness tat ette 1 A 2 Continued Airworthiness 1 Environmental Qualification Forms GMA 347 Audio Panel A 3 APPENDIX B ASSEMBLY AND INSTALLATION DRAWINGS APPENDIX C INTERCONNECT DRAWINGS LIST OF ILLUSTRATIONS FIGURE PAGE 2 1 347 Unit Rack iere eae utere tea dae Uere eee Meas ete aa S 2 7 3 1 Shield Block Install onto Backshell Connector Assembly essen 3 4 3 2 Shielded Cable Preparation 3 5 3 3 Daisy Chain Method for Shield Termination ener 3 8 3 4 Parallel Shield Termination etie ec reo ed Eee Pc eO perta 3 8 3 5 Configuration Module 3 10 4 1 Back of Unit Connector Location sinsir uu u u laaya 4 1 4 2 Rear Connectors J3471 and 13472 Viewed From Back of Unit 4 1 4 3 GMA 347 C
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39. GMA 347 AUDIO PANEL INSTALLATION MANUAL s N Ee 2j MOT AY k UN GARMIN Garmin Ltd or its subsidiaries a 190 00325 01 Revision A August 2005 Copyright 2005 Garmin Ltd or its subsidiaries All Rights Reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express prior written consent of Garmin Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin International Inc 1200 E 151 Street Olathe KS 66062 USA Telephone 913 397 8200 Wwww garmin com Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey 5051 9DL U K Telephone 44 0870 851241 RECORD OF REVISIONS Revision Description ECO Date 8 24 05 Initial Release 33101 DOCUMENT PAGINATION Table of Contents Section 1 1 1 1 6 Section 2 2 1
40. GNOD FIONIS 5 NV LVHL 1 JHL NOILO3NNOO 32145 a 01 Q31VNIMN31 QT3IHS L YOLONGNOD 5 U Ol 1 5 51 1 Ol G3LVNINYSL 5 YOLONGNOD 319NIS SNOILVN9IS3Q0 5 Z Q310N 5 SSFINN 3393V1 HO 22 53 109 O1GAY 3199105 5 310N LINN 01 9311 38 Q 3IHS i 1 NI NYVM 3395 Y 310N 335 SL 07 NI xnv 74 JION 335 IH NI SS NI N3vA gt 75 IH NI OIGAY N3VM 94 Z NI zS Z 95 1331 Z NI 3028105 ASNN De 15 NI ony Q3HOLIMSNn 3NOHd3131 3NMO8MIV NI OISAW 4 1331 1 NI OISAW 8e IH NI Olanv G3HOLIMSNN oz IH Z NI G3HOLIMSNN 6 07 NI 61 IH NI OIGAY G3HOLIMSNN O1 NI 131 NI
41. NGER AUDIO IN HI TEL RINGER AUDIO IN LO RESERVED ON SIDE NAV AUDIO IN HI ON SIDE COM AUDIO IN HI In CROSS SIDE NAV AUDIO IN HI 9 10 11 12 CROSS SIDE n 14 15 6 In DME AUDIO IN HI In In 1 DME AUDIO IN LO 17 MUSIC IN 1 LEFT In MUSIC IN 1 RIGHT In In 18 19 UNSWITCHED AUDIO IN 1 HI 20 UNSWITCHED AUDIO IN 2 HI In RESERVED 21 22 RESERVED 23 TEL AUDIO OUT HI Out PASS ICS KEY 24 n 25 ON SIDE NAV AUDIO IN LO In 26 ON SIDE COM MIC AUDIO OUT HI Out 27 ON SIDE COM KEY Out 28 PILOT MIC AUDIO IN HI In 29 PILOT MIC KEY IN In 30 PILOT MIC IN LO In 31 PILOT ICS KEY In 32 CROSS SIDE COM MIC AUDIO OUT HI Out 3 CROSS SIDE COM MIC KEY Out 3 3 3 4 CROSS SIDE NAV AUDIO IN LO In 5 ADF AUDIO IN HI ADF AUDIO IN LO In In MUSIC IN 1 LO Denotes Active Low Ground to activate In Page 4 2 Revision A GMA 347 Installation Manual 190 00325 01 Table 4 1 J3471 Pin Assignments Continued Pin Pin Name 1 0 2 UNSWITCHED AUDIO IN 3 HI In UNSWITCHED AUDIO IN LO In RESERVED RESERVED TEL AUDIO IN HI TEL AUDIO IN LO PASS 3 MIC AUDIO IN HI PASS 3 MIC AUDIO IN LO PASS 1 MIC AUDIO IN HI PASS 1 MIC AUDIO IN LO PASS HEADSET AUDIO OUT LO COPILOT MIC AUDIO IN HI COPILOT MIC KEY IN COPILOT MIC IN LO COPILOT ICS KEY RESERVED ALTIT
42. Nomenclature GMAX347 Audio Panel Type Model Part Number 47 010 00275 includes 011 00807 1347 GPN 010 00276 includes 011 00809 TSO JTSO Number TSO C35d Class A TSO C50c Manufacturer s Specification And Or Other Applicable Specification 004 00146 00 Manufacturer Garmin Ltd or its subsidiaries Address 1200 East 151 Street Olathe Kansas 66062 U S A DO 160D RTCA DO 160D Conditions Section and Description of Conducted Tests Date of Issue Temperature and Altitude 4 0 Equipment tested to Categories A2B2F Ground Survival Low Operating Low 4 5 1 Ground Survival High Short Time Operating High 4 5 2 Operating Temperature High 4 5 3 In Flight Loss of Cooling 4 5 4 Not Applicable Cooling Not Required Altitude 4 6 1 Decompression 4 6 2 Overpressure 4 6 3 Issued 07 29 97 Issued 07 29 97 Issued 07 29 97 7 0 Operational Shocks amp Crash Safety Equipment tested to Category B Sustained Crash Safety 7 3 2 Equipment Tested to Aircraft Type 5 Test Type R Issued 07 29 97 Vibration 8 0 Equipment tested to Category S Test Curve M and Category S2 Test Curve B2 Change No Issued 12 14 2000 GMA X347 Environmental Qualification Form 005 00155 79 Page 2 of 4 Rev Figure A 1 GMA 347 Environmental Qualification Form Sheet 1 of 3 Page A 4 GMA 347 Installation Manual Revision A 190 00325 01 Explosion Proofness 9 0 Issued 07
43. O IN LO TEL MIC AUDIO OUT HI TEL MIC AUDIO OUT LO TEL AUDIO IN HI TEL AUDIO IN LO Description Ringtone audio input Ground reference for telephone ringer audio input Transmitted telephone audio output Ground reference for telephone Mic audio Received telephone audio input Ground reference for telephone input 347 Installation Manual 190 00325 01 Page 4 12 Revision A 4 4 9 AUX DME and ADF Audio Table 4 19 AUX DME and ADF Audio Pin Assignments J3471 Pin Name Description AUX AUDIO IN HI Extra switched audio input AUX AUDIO IN LO Ground reference for extra switched audio input DME AUDIO IN HI Distance measuring equipment audio input DME AUDIO IN LO Ground reference for DME audio input ADF AUDIO IN HI Automatic direction finder audio input ADF AUDIO IN LO Ground reference for automatic direction finder audio input 4 4 10 Failsafe Audio Table 4 20 Failsafe Audio Pin Assignments J3471 Pin PinNam Description 1 FAIL SAFE WARN AUDIO IN Audio summed to the pilots headset left In and COM 1 when power fails GMA 347 Installation Manual Page 4 13 190 00325 01 Revision A This page intentionally left blank Page 4 14 GMA 347 Installation Manual Revision A 190 00325 01 5 POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURE 5 1 Post Installation Configuration Harness Refer to figure 4 3 for GMA 347 Configur
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45. S 232 IN OUT 1 connections are used to upload configuration data into the unit The unit is configured out of the aircraft before final installation Refer to Section 5 for configuration instructions GMA 347 J3472 22 AWG AIRCRAFT POWER 1 53 11 33 VDC POWER 22 AWG AIRCRAFT GROUND 14 S77 POWER GROUND 16 5 RS 232 IN 1 7 3 RS 232 OUT 1 6 2 9 D SUB CONNECTOR FEMALE TO PC S COM PORT Figure 4 3 GMA 347 Configuration Upload Connections GMA 347 Installation Manual Page 4 7 190 00325 01 Revision A 4 3 4 Marker Beacon Functions Marker Beacon connections are listed in the following table The antenna input is connected to pins 78 HI or Center Conductor and 59 LO or Shield Table 4 6 Marker Beacon Pin Assignments J3472 Pin Name Description MIDDLE MARKER SENSE 2 5 8 Vdc into 4 7 kQ MARKER EX MKR I HI white 2 5 8 Vdc into 56 Q LAMP OUT MIDDLE MARKER EXT LAMP OUT Mol ariber 25 into OUTER MARKER EXT LAMP OUT MKR O HI blue 2 5 8 Vdc into 56 Q MARKER ANTENNA HI Marker antenna input 50 Q MARKER ANTENNA LO Ground reference for pin 78 4 3 5 Installation Selection Inputs The following table shows the Installation Selection Inputs of J3472 The selection inputs have an input and a program ground When the input is grounded the input function is selected Table 4 7 Installation Selection Inputs Pin Assignments J3472 Pin Name Des
46. SET AUDIO OUT RIGHT PILOT HEADSET AUDIO OUT LO COPILOT HEADSET AUDIO OUT LEFT COPILOT HEADSET AUDIO OUT RIGHT COPILOT HEADSET AUDIO OUT LO PASS HEADSET AUDIO OUT LEFT PASS HEADSET AUDIO OUT RIGHT PASS HEADSET AUDIO OUT LO Description Pilot headset audio output Ground reference for pilot headset Copilot headset audio output Ground reference for copilot headset Passenger headset audio output Ground reference for passenger headset 347 Installation Manual 190 00325 01 Page 4 11 Revision A 4 4 6 Music Inputs Table 4 16 Music Inputs Pin Assignments J3471 Pin Name MUSIC IN 1 LEFT Description MUSIC IN 1 RIGHT Music 1 input MUSIC IN 1 LO Ground reference for music 1 MUSIC IN 2 LEFT MUSIC IN 2 RIGHT Music 2 input MUSIC IN 2 LO 4 4 7 Unswitched Audio Inputs Ground reference for music 2 Table 4 17 Unswitched Audio Inputs Pin Assignments J3471 Pin Name UNSWITCHED AUDIO IN 1 HI UNSWITCHED AUDIO IN 2 HI UNSWITCHED AUDIO IN 3 HI Description Unswitched audio inputs UNSWITCHED AUDIO IN LO Ground reference for unswitched audio ALTITUDE WARN AUDIO IN HI Unmuted unswitched input ALTITUDE WARN AUDIO IN LO Ground reference for altitude warning 4 4 8 Telephone I O Table 4 18 Telephone Inputs Outputs Pin Assignments J3471 Pin Name TEL RINGER AUDIO IN HI TEL RINGER AUDI
47. UDE WARN AUDIO IN HI ALTITUDE WARN AUDIO IN LO MUSIC IN 2 LEFT MUSIC IN 2 RIGHT COM 3 AUDIO IN HI COM 3 AUDIO LO RESERVED RESERVED TEL MIC AUDIO OUT LO PASS 4 MIC AUDIO IN HI PASS 4 MIC AUDIO IN LO PASS 2 MIC AUDIO IN HI PASS 2 MIC AUDIO IN LO PASS HEADSET AUDIO OUT LEFT PASS HEADSET AUDIO OUT RIGHT COPILOT HEADSET AUDIO OUT LEFT COPILOT HEADSET AUDIO OUT RIGHT COPILOT HEADSET AUDIO OUT LO RESERVED RESERVED AUX AUDIO IN HI AUX AUDIO IN LO MUSIC IN 2 LO COM 3 MIC AUDIO OUT HI COM 3 MIC KEY Denotes Active Low Ground to activate GMA 347 Installation Manual Page 4 3 190 00325 01 Revision A Table 4 2 J3472 Pin Assignments Pin Pin Name CONFIG MODULE GROUND N RESERVED N 5 RS 232 IN 1 RESERVED RESERVED cO I 1 RESERVED PROGRAM GROUND RESERVED 1 I RESERVED POWER GROUND RESERVED L 1 POWER GROUND COM SWAP PROGRAM GROUND 17 18 cO RESERVED RESERVED CONFIG MODULE POWER OUT RESERVED PROGRAM GROUND RECORDER OFF SELECT N mi N Co O 5 PROGRAM GROUND AUX SOURCE SELECT RESERVED N 5 RESERVED RESERVED AIRCRAFT POWER 2 N o ao 5 RESERVED AIRCRAFT POWER 2 RESERVED MIDDLE MARKER SENSE RESERVED RESERVED 37 GRO
48. UND RETURN C2 Denotes Active Low Ground to activate 05 OJO IC IC 5 Page 4 4 Revision A GMA 347 Installation Manual 190 00325 01 Table 4 2 J3472 Pin Assignments Continued Pin Pin Name 1 0 2 RS 232 OUT 2 Qut RS 232 IN 2 Im CONFIG MODULE DATA SPEAKER AUDIO OUT LO SPEAKER AUDIO OUT HI RESERVED PROGRAM GROUND RESERVED PROGRAM GROUND RESERVED RESERVED RESERVED RESERVED 14 V LIGHTING 28 V LIGHTING HI AIRCRAFT POWER 1 RESERVED AIRCRAFT POWER 1 RESERVED GROUND RETURN RESERVED MARKER ANTENNA LO CONFIG MODULE CLOCK RESERVED RESERVED RESERVED PA MUTE OUT TEL DISCRETE RINGER RESERVED PROGRAM GROUND RESERVED POWER GROUND RESERVED POWER GROUND RESERVED RESERVED AIRWAY INNER MARKER EXT LAMP OUT MIDDLE MARKER EXT LAMP OUT OUTER MARKER EXT LAMP OUT RESERVED MARKER ANTENNA HI N Denotes Active Low Ground to activate 0 101001 N O OI 5 02 I 0 I 1 54 RESERVED 5215899922 1 g 5 5 347 Installation Manual 190 00325 01 Page 4 5 Revision A 4 3 93472 Connector Pin Assignments This section covers the pin connections of J3472 only 4 3 1 Aircraft Power and Lighting Power Input requirements and Lighting Bus inputs
49. X Disable split com Select to record COM 2 Disable COM3 annunciator Disable TEL annunciator Disable DME annunciator Disable ADF annunciator Page 5 10 Revision A 347 Installation Manual 190 00325 01 APPENDIX A CERTIFICATION DOCUMENTS A 1 Airworthiness Approval Airworthiness approval of the GMA 347 may be acquired by the use of FAA Form 337 The following is provided as sample wording for Form 337 when replacing an existing audio panel with a Garmin GMA 347 Audio Panel Modify appropriately for new installations Removed the existing model audio panel and replaced with a Garmin GMA 347 Audio Panel and Marker Beacon P N 010 00275 xx in aircraft location The GMA 347 is FAA TSO Approved to C50c and C35d Class A The GMA 347 meets RTCA DO 160D environmental qualifications for this installation See Section of the GMA 347 Installation Manual Installed in accordance with the Garmin GMA 347 Installation Manual 190 00325 01 Revision and AC 43 13 2 Chapters 2 and 3 The GMA 347 interfaces with existing aircraft radios per the Installation Manual instructions The Installation Manual provides detailed installation instructions and wiring diagrams Sections 2 3 and 4 and Appendices B and C Power is supplied to the GMA 347 through an existing AUDIO 5 5 Amp circuit breaker that was previously used by the existing audio panel The net electrical load is unchanged Aircraft
50. a monaural headset is plugged into any stereo phone jack position no damage will occur to the GMA 347 In the case of plugging a monaural headset into any passenger position any stereo listener will lose one channel when another passenger plugs in a monaural headset 1 Set the intercom to the ALL mode Pilot and Copilot LED s off 2 Plug in headsets at each ICS position 3 Adjust squelch and volume for each position and verify that the ICS is working properly 4 Check Pilot and Copilot ICS positions for isolation and proper operation of volume and squelch controls 5 Press and hold the SPKR key for two seconds Verify that the SPKR key annunciator flashes indicating the PA mode and that microphone audio is heard over the speaker 3 8 5 Aircraft Receivers Check 1 Select the audio source for each avionics unit installed in the aircraft and check for audio over the headsets 2 Check for Pilot Copilot audio isolation when pressing the Split COM COM 1 2 key 3 Press the SPKR key and verify that any selected audio is heard over the speaker 3 8 6 Clearance Recording Check 1 Allow COM 1 receiver to operate for at least two and one half 2 5 minutes of active operation 2 Press the PLAY key once to play back the latest recorded memory block of COM 1 audio 3 Press the PLAY key again to play the previous memory block of COM audio Continue stepping backward into the memory blocks until listening to the first block of audio A total of
51. ackshell 1 See Figure 3 1 The appropriate number of Shield Block kits is included in the GMA 347 connector kit Table 3 5 Shielded Cable Preparation Ideal Ideal Float Window WINDOW MIN TO WINDOW MAX FLOAT MIN TO FLOAT D P i Figure 3 2 Shielded Cable Preparation 2 At one end of a shielded cable 4 measure back a distance between Window Min to Window Max Table 3 5 and cut a window max size 0 35 in the jacket to expose the shield See Figure 3 2 Use caution when cutting the jacket to avoid damaging the individual braids of the shield When dealing with a densely populated connector with many cables it may prove beneficial to stagger the windows throughout the Window Min to Window range If staggering is not needed the Ideal Window length is recommended Tools needed to Accomplish the Window Cut Coaxial Cable Stripper e Thermal Stripper e Sharp Razor Blade 3 Connect a Flat Braid 6 to the shield exposed through the window of the prepared cable assembly 4 The Flat Braid goes out the front of the termination towards the connector Do not allow wires to exit the rear of the termination and loop back towards the connector See Figure 3 2 Make this connection using an approved shield termination technique Refer to FAA Advisory Circular AC 43 13 as a reference for term
52. are listed in the following tables The power input pins accept 11 33 Vdc AIRCRAFT POWER 2 is for connecting to an alternate power source such as on aircraft with two electrical buses Refer to Figure C 1 for power interconnections Table 4 3 Aircraft Power Pin Assignments J3472 Pin Name Description AIRCRAFT POWER 1 Unit power AIRCRAFT POWER 1 Unit power AIRCRAFT POWER 2 Unit power AIRCRAFT POWER 2 Unit power POWER GROUND Aircraft ground POWER GROUND Aircraft ground POWER GROUND Aircraft ground POWER GROUND Aircraft ground 4 3 2 Lighting Bus The GMA 347 can be configured to track a 28 Vdc or 14 Vdc lighting bus using these inputs Refer to Figure 1 for lighting interconnections Table 4 4 Aircraft Lighting Pin Assignments J3472 LP ___PinName_ ______Deseription _ WO 14 V LIGHTING 14V Backlighting input 0 to 14 28 V LIGHTING HI 28V Backlighting input 0 to 28 4 6 347 Installation Manual Revision A 190 00325 01 4 3 3 RS 232 Serial Input Output Table 4 5 RS 232 Pin Assignments J3472 Pin Name Description RS 232 OUT 1 Output level greater than 5 Volts RS 232 IN 1 Input level up to 25 volts RS 232 OUT 2 Output level greater than 5 Volts RS 232 IN 2 Input with level up to 25 volts The RS 232 outputs conform to EIA TIA 232C with an output voltage swing of at least 5 V when driving a standard RS 232 load The R
53. ation Upload Connections 5 2 Program Information Garmin Product GMA 347 Configuration Tool Used for GMA 347 GMA 347H GMA 347 2ADF Program Archive 006 A01 15 00 File Name GMA CONFIG EXE GMA CONFIG EXE version at time of this document 2 02 5 3 GMA Configuration Tool Version To find the version of the GMA Configuration Tool right click anywhere along the top of the GMA Configuration Tool window and choose About GMA Configuration Tool See Figure 5 1 amp Restore Move Size Minimize 1 Maximize X Close Alt F4 MUSIC 1 o jo Figure 5 1 About GMA Config Tool 5 4 Configuration Tool Introduction References to the GMA 347 throughout this document apply to all versions of the GMA 347 unit types the GMA 347 GMA 347H and the GMA 347 2ADF The GMA Configuration Tool GPN 006 A0115 00 is used to configure the GMA 347 through a PC serial port The GMA Configuration Tool allows the ability to send updated configuration information and upload SYSTEM or BOOT BLOCK Hex file code to a GMA 347 via a PC s RS 232 COM port The application can also be used to query the GMA 347 for its current configuration information Figure 5 2 shows the configurations that can be altered Each configuration item has a SET value and an ACTIVE value The ACTIVE value is what the unit currently has stored and the SET value is used to change the current ACTIVE state GMA 347 Installation Manual Page
54. cription RECORDER PLAY An external pushbutton switch activates voice PROGRAM GROUND recorder playback COM SWAP When enabled COM 1 and COM 2 are swapped This is used with a switch tied to PROGRAM GROUND ground for momentary operation RECORDER OFF SELECT PROGRAM GROUND AUXILIARY SOURCE SELECT When enabled the voice recorder is disabled This input is used for an external switch tied to ground to control the auxiliary audio This input is for use with a cellular phone with a digital output TEL DISCRETE RINGER Denotes Active Low Ground to activate Page 4 8 GMA 347 Installation Manual Revision A 190 00325 01 4 3 6 External Configuration Module The configuration module contains an I2C temp sensor and EEPROM The configuration module is located in the connector backshell The configuration module stores a backup of the unit configuration Table 4 8 External Configuration Module Pin Assignments J3472 Pin PinName Description MO Configuration Module Ground Configuration Module Power 3 3 VDC Configuration Module Data Bi directional data line In Out 60 Configuration Module Clock Signal used to clock data input output 4 3 7 Speaker The speaker output is capable of driving up to 10 Watts into a 4 Q or 8 Q speaker Table 4 9 Speaker Pin Assignments J3472 Pin Description VO SPEAKER AUDIO OUT LO
55. default file type is When saving the config file leave the file type as ini This will make it easier when loading the Config using the Load Config button since the file type is defaulted to ini GMA 347 Installation Manual Page 5 3 190 00325 01 Revision A 5 6 Configuration Tool Settings 5 6 1 Numeric Adjustments Volume and threshold levels can be adjusted from 31 to 31 To change the level use the computer mouse and click in the SET field to be modified enter a number within the range and hit the enter key Or use the mouse and click the up or down arrow in the field to change the value After changing a value click the Apply button at the bottom right corner of the GMA 347 Configuration Tool After clicking the Apply button the ACTIVE field will be updated to show the current settings 5 6 2 Configuration Settings Clicking in the SET field of an enable disable checkbox option will modify the option The configuration of the enable disable item will become ACTIVE in the unit upon clicking the Apply button Modifying a numeric value in the SET field and clicking the Apply button will make the numeric value ACTIVE in the unit 5 6 3 Configuration Options Each setting will have a SET value and an ACTIVE value shown on the GMA 347 Configuration Tool The SET values can be altered The ACTIVE values represent the value that the unit currently has stored 5 6 4 Headset
56. dio panel input signals The audio panel may see the desired input signal plus an unwanted component injected by ground differentials a common cause of alternator related noise This is the main reason why all audio jacks should be isolated from ground Terminating audio shields just at one end eliminates another potential ground loop injection point Single point grounding cannot be overstressed for the various avionics producing and processing audio signals Single point in this context means that the various pieces of equipment share a single common ground connection back to the airframe Good aircraft electrical charging system ground bonding is also important The wiring diagrams and accompanying notes in this manual should be followed closely to minimize noise effects Page 2 6 GMA 347 Installation Manual Revision A 190 00325 01 2 9 GMA 347 Mounting The GMA 347 mounting surface must be capable of providing structural support and electrical bond to the aircraft to minimize radiated EMI and provide protection from High Intensity Radiation Fields HIRE The GMA 347 is mounted using it s own system rack Figure 2 1 shows the GMA 347 unit rack 1 Slide the unit into the rack until the front lobe of the unit touches the rack 2 Insert a 3 32 hex wrench into the access hole on the faceplate 3 Turn the hex wrench clockwise until the unit is secured in the rack Continue turning until tight Do not over tighten the screw
57. e 3 2 Marker Beacon Antenna Installation 3 3 Marker Beacon Antenna Cable 3 4 Electrical Connections 3 5 Backshell Assembly and D Subminiature Connectors 3 6 Circuit Breaker Placard cedet 3 7 347 Unit Installation ite esee tene 3 8 Post Installation Configuration and 4 SYSLEMJINTERCONNEGTS vw qax edis d RN 44 Connector Description iue eet det iet efi d aet e edet cata 4 2 Connectors J3471 043472 43 J3472 Connector Pin Assignments 4 4 J3471 Connector Pin Assignments GMA 347 Installation Manual 190 00325 01 Page iii Revision A TABLE OF CONTENTS PARAGRAPH PAGE 5 POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURE 5 1 5 1 Post Installation Configuration Harness 5 1 5 2 Programelmformatl On ecce it erii tete te ah 5 1 5 3 Configuration Tool Version cte n u nhau 5 1 54 GMA Configuration Tool Introduction 5 1 5 5 Connect Disconnect Buttons sn NG 5 2 5 6 Configuration Tool Settings 5 4 2
58. eceiver Frequency Crystal controlled at 75 MHz Sensitivity LO 1000 uV hard HI 200 uV hard Selectivity 6 dB 10 kHz min 40 dB 200 kHz max Input impedance 50 Q External lamp drive 125 mA max each output Other outputs Middle MKR sense Special functions SmartMute marker audio muting Page 1 4 Revision A GMA 347 Installation Manual 190 00325 01 1 3 3 Power Requirements Characteristic Specification Input Voltage Range 11 0 to 33 0 Vdc See the Environmental Qualification Form in Appendix A for details on surge ratings and minimum maximum operating voltages Power Input Operating Current 3 75 amps max at 13 75 V 1 75 amps max at 27 5 1 4 Certification The conditions and tests required for TSO approval of this article are minimum performance standards It is the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards TSO articles must have separate approval for installation in an aircraft The article may be installed only if performed under 14 CFR part 43 or the applicable airworthiness requirements 1 4 1 TSO ETSO Compliance The GMA 347 is FAA TSO approved to TSO C50c TSO C35d Class A ETSO C50c pending and ETSO 2C35d pending For a list of ETSO deviations see the GMA 347 Declaration of Design and Performance Garmin part number 190 00325 03
59. ectrical connections to the GMA 347 including the marker beacon antenna and shield ground are made through two 78 pin D subminiature connectors see Figure 4 1 Tables in Section 4 define the electrical characteristics of all input and output signals Required connector and associated hardware are supplied in the connector kit P N 011 00813 01 See figures in Appendix C for interconnect wiring diagrams Check wiring connections for errors before inserting the GMA 347 into the rack Incorrect wiring could cause internal component damage Table 3 1 Pin Contact Part Numbers Hi Density 78 pin D Subminiature Connectors P3471 3472 Manufacturer Garmin P N 16 AWG Power Only 336 00044 01 18 AWG Power Only 336 00044 00 20 AWG 336 00044 02 22 28 AWG 336 00021 00 Military P N N A N A N A M39029 58 360 AMP N A N A N A 204370 2 Positronic N A N A N A MC8522D ITT Cannon N A N A N A 030 2042 000 347 Installation Manual 190 00325 01 Page 3 1 Revision A Table 3 2 Recommended Crimp Tools Hi Density 16 amp 18 amp 20 AWG 22 28 AWG Hand m z Crimping Tool Positioner Insertion Positioner Insertion Extraction Tool Extraction Note 2 Tool Military P N M22520 2 01 N A 81969 1 04 22520 2 09 81969 1 04 615725 M81969 1 04 9507 9502 11 M81969 1 04 9502 3 M81969 1 04 1 Non Garmin part
60. ed The number of individual strands in each braid bundle is not specified NOTE Flat Braid as opposed to insulated wire is specified in order to insure continuing airworthiness by allowing for visual inspection of the conductor Secondary Method Heat Shrink instead of Solder Sleeves Solder a Flat Braid 6 to the shield exposed through the window of the prepared cable assembly 4 Ensure a solid electrical connection through the use of acceptable soldering practices Use care to avoid applying excessive heat that burns through the insulation of the center conductors and shorts the shield to the signal wire Slide a minimum 0 75 of Teflon heat shrinkable tubing 5 onto the prepared wire assembly and shrink using a heat gun The chosen size of heat shrinkage tubing must accommodate both the number of conductors present in the cable and the Flat Braid 6 to be attached Page 3 6 GMA 347 Installation Manual Revision A 190 00325 01 4 At the same end of the shielded cable 4 and ahead of the previous shield termination strip back Float Min to Float Max Table 3 5 length of jacket and shield to expose the insulated center conductors See Figure 3 2 It may be best to build the Ideal Float length optimally Preferred Method The jacket and shield should be cut off at the same point so no shield is exposed Slide 0 75 minimum of Teflon heat shrinkable tubing 7 onto the cable and use a heat gun to shrink the
61. ent at the time of publication of this manual see date on front cover and is subject to change without notice Authorized Garmin Sales and Service Centers are encouraged to access the most up to date bulletin and advisory information on the Garmin Dealer Resource web site at www garmin com using their Garmin provided user name and password SERVICE SERVICE PURPOSE OF MODIFICATION LEVEL BULLETIN BULLETIN GMA 347 Installation Manual Page vii 190 00325 01 Revision A This page intentionally left blank Page viii GMA 347 Installation Manual Revision A 190 00325 01 1 GENERAL DESCRIPTION 1 1 Introduction This manual presents mechanical and electrical installation requirements for installing the Garmin GMA 347 Audio Panel The GMA 347 can be installed into a variety of airframes by means of an STC TC or Field Approval Each airframe installation may vary Use only approved data for specific installation instructions in a particular aircraft After installation of the GMA 347 FAA Form 337 must be completed by an appropriately certificated agency to return the aircraft to service 1 2 Equipment Description The operation of cellular telephones or other cellular mobile devices aboard aircraft while airborne is prohibited by FCC rules Due to the potential for interference with onboard systems the operation of cellular communication devices while onboard an aircraft that is on the ground is subject to FAA 14 CFR
62. es recording PA MUTE is an output from the GMA that is pulled low when PA mute active It is used to trigger the mute function of an external PA system A remote switch can be used to Remote Auxiliary Switch enable or disable the auxiliary input GMA 347 Installation Manual Page 2 3 190 00325 01 Revision A 2 5 2 Software Configuration Options The following list shows the software configurations available for the GMA 347 Configuration program instructions are found in section 5 Function and Purpose Software Configuration Audio Inputs Allow or disable the use of external receivers Enable or Disable DME ADF COM3 Play PA SPKR TEL and Split COM Defeate the MASQ Master Squelch feature Deactivate MASQ Telephone Remove telephone capability Disable Telephone Channel Sidetone Disable the sound of transmission in the headset Enable or Disable Sidetone COM MUTE ON TX Can be disabled Audio on unselected COMs is muted while the selected COM is transmitting audio COM MUTE ON RX Can be disabled Audio on unselected COMs is muted while the selected COM is receiving audio Audio level Volume control adjustment Adjust Audio level of Music 1 and Music 2 Unswitched 1 Unswitched 2 Unswitched 3 and Altitude Warning SPKR Pilot and Copilot Mic Volume Master Squelch Threshold and Marker volume Marker Threshold Marker Beacon threshold levels are ad
63. ew Pilot Copilot A pilot selectable cabin speaker output can be used to listen to the selected aircraft radios or to broadcast PA announcements The PA function is pilot selectable The GMA 347 provides a digital voice recorder with playback capability Recording is automatic when a COM signal is received Playback is controlled by pressing the PLAY button or a remote mounted switch GMA 347 Installation Manual Page 1 1 190 00325 01 Revision A The Recorder can be disabled using an external switch The digital recorder can playback up to two and a half minutes of recording Refer to the GMA 347 Pilot s Guide 190 00325 00 for complete system operation The GMA 347 is FAA TSO approved to C50c and C35d Class A and ETSO approved to C50c and 2C35d pending A marker beacon receiver with dual sensitivity and audio muting with automatic re arming is included in the unit Operating voltage range is from 11 to 33 volts The GMA 347 provides two stereo auxiliary entertainment inputs MUSIC and MUSIC 2 Two 3 5 mm stereo phone jacks should be installed in a convenient location for this purpose These inputs are compatible with popular portable entertainment devices such as MP3 and CD players The headphone outputs of these devices are plugged into the MUSIC 1 or MUSIC 2 jacks Only the pilot and copilot hear MUSIC 1 MUSIC 2 is a non muted input heard only by the passengers MUSIC and MUSIC 2 characteristics are affected by the active
64. ffice in the appropriate Region and request identification of FAA Designated Engineering Representatives DERs who are authorized to prepare and approve the required antenna installation engineering data 4 Obtain FAA Advisory Circular AC 183C and select and contact a DER from the roster of individuals identified thereunder 5 Contact an aviation industry organization such as the Aircraft Electronics Association and request their assistance 2 8 Electrical Noise Because the audio panel is a point in the aircraft where signals from many pieces of equipment are brought together take care to minimize effects from coupled interference and ground loops Coupled interference can creep into audio system interconnecting cables when they are routed near large AC electric fields AC voltage sources and pulse equipment strobes spark plugs magnetos EL displays CRTs etc Interference can also couple into audio system interconnecting cables by magnetic induction when they are routed near large AC current carrying conductors or switched DC equipment heaters solenoids fans autopilot servos etc Ground loops are created when there is more than one path in which return currents flow or when signal returns share the same path as large currents from other equipment These large currents create differences in ground potential between the various equipment operating in the aircraft These differences in potential can produce an additive effect on au
65. functions Failsafe operation MASQ processing Maximum Input COM NAV DME AUX Failsafe Unswitched inputs 1 3 Altitude Warning 4 V rms TEL 3 5V rms Intercom Positions 6 pilot copilot 4 passengers Volume controls 2 pilot copilot passengers VOX level controls 2 pilot copilot passengers VOX circuits 6 one per mic input Music inputs stereo 2 one input mutable Music input impedance 5 Music input level Less than 500 mVac RMS for full output typical 1 Vac RMS MAX 3 Vac p p Microphone signal processing 9 pole characteristic and special cabin noise band de emphasis Intercom isolation modes 4 All Pilot Isolate Copilot Isolate Crew Isolate Special functions Recorder with playback automatic recording of selected COMs up to 2 5 minutes of recording time Automatic squelch 6 one per mic input pilot selectable between auto and manual Headphone Outputs Output amplifiers 3 stereo pilot copilot passengers Fidelity Power into 150 Q Distortion 50 mW 0 596 100 mw 596 Frequency response music 50 Hz to 20 kHz nominal Aircraft radio 200 Hz to 6 kHz nominal ICS mic Special cabin noise band de emphasis Speaker Outputs Outputs selectable 1 pilot selectable Output power 10 watts into 4 Q or 8 Q any normal supply voltage Frequency response 350 Hz to 6 kHz nominal Special functions PA Mode pilot selectable including split operation Marker Beacon R
66. inating all panel annunciator lights for approximately two seconds between 1 2 and 2 seconds Confirm the operation of the GMA 347 internal LED annunciators and marker beacon LED s Cover the photocell with a finger and observe that the LED annunciators dim automatically Check the front panel key backlighting and dimming function Key brightness is controlled with the aircraft radio lights dimming bus 3 8 2 Failsafe Operation Check Turn the unit off by rotating the Pilot s intercom volume knob counter clockwise 2 Check the failsafe operation by exercising the COM 1 microphone microphone key and audio over the headphones A stereo headset connected to the Pilot headphone jack will provide audio in the left earphone only 3 Turn the unit back on to continue testing 3 8 3 Transceiver Operational Check 1 Perform a ramp test radio check by exercising the installed transceivers microphone microphone key and audio over the headphones and speaker 2 Verify that communications are loud and clear and PTT operation is correct Split COM performance varies significantly across installations and is affected by both the distance between the antennas and the separation of the tuned frequencies 3 Inappropriate installations check for Pilot Copilot microphone operation when using the Split COM COM 1 2 key function Page 3 12 GMA 347 Installation Manual Revision A 190 00325 01 3 8 4 Intercom System ICS Check If
67. ination techniques Preferred Method Solder Sleeves Slide a solder sleeve 5 onto the prepared cable assembly 4 and connect the Flat Braid 6 to the shield using a heat gun approved for use with solder sleeves It may be easier to use a solder sleeve with a pre installed Flat Braid versus having to cut a length of Flat Braid to be used The chosen size of solder sleeve must accommodate both the number of conductors present in the cable and the Flat Braid 6 to be attached GMA 347 Installation Manual Page 3 5 190 00325 01 Revision A Solder Sleeves with pre installed Flat Braid A preferred solder sleeve is the Raychem S03 Series with the thermochromic temperature indicator These solder sleeves come with a pre installed braid and effectively take the place of items 5 and 6 For detailed instructions on product use refer to Raychem installation procedure RCPS 100 70 Raychem Recommended Heating Tools HL1802E AA 400 Super Heater CV 1981 MiniRay IR 1759 Individual Solder Sleeves and Flat Braid Solder Sleeves Reference the following MIL Specs for general solder sleeves 83519 1 1 M83519 1 2 M83519 1 3 M83519 1 4 83519 1 5 Flat Braid If the preferred Raychem sleeves are not being used the individual flat braid selected should conform to ASTMB33 for tinned copper and be made up of 36 AWG strands to form an approximately 19 20 AWG equivalent flat braid A circular mil area range of 1000 to 1300 is requir
68. justable for HI and LO sense ICS Mute ICS Muting of Music 1 can be enabled or disabled Record Com2 Pilot or Copilot COM recording During the Split Com mode COM 1 or COM 2 audio can be selected for voice recording and playback 2 5 1 Transmit Interlock and Split COM Operation Garmin makes no expressed or implied guarantees regarding the suitability of the Split COM feature in any given installation In small aircraft COM and Nav receiver interference is affected by both the distance between antennas and the tuned frequency separation With transmit interlock activated in either the GMA 347 or the COM transceivers Split COM operation between a flight crew of more than one pilot is affected In aircraft that have a transmit interlock feature when either transmitter 1s keyed all other receivers are muted so that they won t pick up interference from the active COM transmitter This 1s the preferred option for single pilot operation For aircraft with two flight crew members transmit interlock would probably interfere with communications When the pilot or the copilot transmit no audio is heard on any other receiver This Page 2 4 Revision A GMA 347 Installation Manual 190 00325 01 For aircraft with two flight crew members transmit interlock would probably interfere with communications When the pilot or the copilot transmit no audio is heard on any other receiver This means that if the pilot is com
69. municating with ATC while the copilot transmits on another radio all pilot reception is cut off during the time of copilot transmission If the installation does not have transmit interlock activated all the receivers are listening all the time whether any radio is transmitting or not Split COM performance varies significantly across installations If the transceivers interfere with each other transmission by one radio produces static or squeal thus loss of communication from any other radio 2 6 Antenna Installation 2 6 1 Location Considerations The marker beacon antenna should be mounted on a flat surface on the underside of the aircraft Mount the antenna so that there is a minimum of structure between it and the ground radio stations Locate it as far away as possible from transmitter antennas Best results with split COM mode will be obtained when the COM and COM 2 antennas are mounted on opposite sides of the aircraft top bottom 2 6 2 Marker Beacon Antenna Mounting Install the marker beacon antenna according to the antenna manufacturer s instructions and FAA Advisory Circulars AC 43 13 1B and AC 43 13 2A Chapters 2 and 3 as applicable Ifthe antenna is being installed on a composite aircraft ground planes must be added Conductive wire mesh radials or thin aluminum sheets embedded in the composite material provide the proper ground plane allowing the antenna pattern gain to be maximized for optimum performance 2 6 3
70. nds 36 AWG Circular Mil Area 1000 1300 As Required Shrink Tubing As Required Pins 336 00021 00 Ring terminal 8 insulated 18 22 AWG 14 16 AWG 10 12 AWG MS25036 149 MS25036 153 MS25036 156 Screw PHP 8 32x 312 Stainless or Cad Plated Steel MS51957 42 MS35206 242 Split Washer 8 045 compressed thickness Stainless or Cad plated steel MS35338 137 MS35338 42 Flat Washer 8 032 thick 174 ID 375 OD Stainless or Cad Plated Steel NAS1149CN832R NAS1149FN832P Silicon Fusion Tape 249 00114 00 Strain Relief 115 00499 xx Screw 4 40x 375 PHP SS P w Nylon 211 60234 10 Lid 115 00500 xx Screw 4 40x 187 FLHP100 SS P w Nylon 211 63234 06 GMA 347 Installation Manual 190 00325 01 Page 3 3 Revision A 3 5 1 Shield Block Assembly Procedure The parts for the connector and backshell assembly GMA 347 installations are listed in Table 3 3 and shown in Figure 3 1 Figure 3 1 Shield Block Install onto Backshell Connector Assembly Table 3 4 Shield Block Components Backshell Assembly Shield Block Garmin P N Garmin P N 011 00950 04 011 01169 01 78 Pin High Density Page 3 4 GMA 347 Installation Manual Revision A 190 00325 01 1 Attach the Shield Block s 2 to the backshell 1 by inserting the flathead screws 3 through the holes on the Shield Block and threading into the tapped holes on the b
71. nna and Speaker Interconnect Wiring C 1 C 2 and Phone Jack Connections Interconnect Wiring Diagram C 3 C 3 Transceiver Analog Connections Interconnect Wiring C 5 C 4 Discrete Lines Interconnect Wiring C 7 5 340 to GMA 347 C 9 347 Installation Manual Page v 190 00325 01 Revision A LIST OF TABLES TABLE PAGE 3 1 Pin Contact Part 3 1 3 2 Recommended Crimp Tools o geh Oo sentis A on rupe e pe et 3 2 3 3 Backshell Assembly ere eR err e base d ei i adde eee tuo 3 3 3 4 Shield Block Comiponents zi e 3 4 3 5 Shielded Cable Preparation u 3 5 3 6 Configuration Module Kit 011 00979 00 3 9 3 7 Configuration Module Wire Color Reference Chatrt a 3 10 4 1 13471 Pin Assignments 5 dT EUER NI ERU EE ER ER 4 2 4 2 13472 Pu Assignmierits iat aet ect 4 4 4 3 Aircraft Power Pin Assignments 13472 4 6 4 4 Aircraft Lighting Pin Assignments 13472 4 6 4 5 RS 232 Pin Assignments 3472 4 7 4 6 Marker Beacon Pin Assignments 13472
72. ns None N A Units of Measurement None N A Referenced Publications Garmin GMA 347 Audio Panel Installation Manual P N 190 00325 01 Garmin GMA 347 Audio Panel Maintenance Manual P N 190 00325 02 Garmin GMA 347 Audio Panel Pilot s Guide P N 190 00325 00 STC TC applicable STC TC number for the specific aircraft installation Distribution This document should be a permanent aircraft record 2 Description of the System Garmin GMA 347 Audio Panel with interface to external transceivers and include other equipment systems as appropriate Refer to Appendix C and Figures C 1 through C 5 of this manual for interconnect information Refer to aircraft manufacturer approved interconnect for actual installation Marker Beacon antenna installation removal and replacement should be in accordance with applicable provisions of AC 43 13 1B and AC 43 13 2A 3 Control Operation Information Refer to the GMA 347 Audio Panel Pilot s Guide P N 190 00325 00 4 Servicing Information N A 5 Maintenance Instructions Maintenance of the GMA 347 Audio Panel is on condition only Periodic maintenance is not required Refer to the GMA 347 Audio Panel Maintenance Manual 6 Troubleshooting Information Refer to the GMA 347 Audio Panel Maintenance Manual 7 Removal and Replacement Information Refer to Sections 2 and 3 of the GMA 347 Audio Panel Installation Manual If the unit is removed and reinstalled a functional check of the equipme
73. nt should be conducted Page A 2 GMA 347 Installation Manual Revision A 190 00325 01 8 Diagrams 10 11 12 13 14 15 Refer to Appendices B and C of the GMA 347 Audio Panel Installation Manual for installation drawings and interconnect examples Special Inspection Requirements N A Application of Protective Treatments N A Data Relative to Structural Fasteners 347 antenna and appropriate mounting hardware installation removal and replacement should be in accordance with applicable provisions of AC 43 13 1B and AC 43 13 2A Special Tools N A This Section is for Commuter Category Aircraft Only A Electrical loads Refer to Sections 1 and 4 of the GMA 347 Audio Panel Installation Manual B Methods of balancing flight controls N A C Identification of primary and secondary structures N A D Special repair methods applicable to the airplane Antenna installation removal and replacement should be in accordance with applicable provisions of AC 43 13 1B and AC 43 13 2A Overhaul Period No additional overhaul time limitations Airworthiness Limitation Section N A A 3 Environmental Qualification Form GMA 347 Audio Panel The following pages are copies of the Environmental Qualification Forms for the Garmin GMA 347 Audio Panel 005 00155 79 provided for reference only GMA 347 Installation Manual Page A 3 190 00325 01 Revision A GMAX347 Environmental Qualification Form
74. numbers shown are not maintained by Garmin and consequently are subject to change without notice 2 Extracting the 16 18 and 20 contact requires that the expanded wire barrel be cut off from the contact It may also be necessary to push the pin out from the face of the connector when using an extractor due to the absence of the wire A new contact must be used when reassembling the connector Page 3 2 GMA 347 Installation Manual Revision A 190 00325 01 3 5 Backshell Assembly and D Subminiature Connectors The 347 connector kit 01 1 00813 01 includes two Garmin backshell assemblies Backshell connectors give the installer the ability to terminate shield grounds at the backshell housing using the Shield Block ground kit The term D Sub D Subminiature connectors have a letter D physical shape D Sub refers only to the polarized shell that holds the contacts pins or sockets in place Table 3 3 lists Garmin part numbers for the GMA 347 D Sub Connectors and the Backshell Assembly Figure Ref Table 3 3 Backshell Assembly 011 00812 00 Description Cast Housing From Garmin Backshell kit Garmin P N 125 00085 00 Shield block 117 00147 xx Screw 4 40 x 250 FLHP100 SS P Nylon 211 63234 08 Multiple Conductor Shielded Cable See Interconnect Diagrams Appendix C As Required Shield Termination As Required Braid Flat 19 20 AWG equivalent tinned plated copper stra
75. o test performed Issued 07 29 97 Electrostatic Discharge ESD Equipment identified as Category X no test performed Issued 07 29 97 Notes and Remarks Vibration Test Curve M was increased as follows 0 1 inches pk pk double amplitude from 15Hz to 17Hz and 1 1 5g pk from 17Hz to 55Hz Power Input pins tested to level A2 Reversionary Mode pins tested to level A3 All other pins tested to level Al All pins relevant to Failsafe operation tested to level Al with the UUT in Failsafe mode i e power removed Configuration Module and unused spare pins were not tested Qualification to additional levels and configurations has been shown as follows Garmin Report 005 00291 00 G1000 SHIELD BLOCK QUALIFICATION This report shows that all part numbers on this EQF when installed and configured as per this report may substitute a Shield Block in place of a SPIDER GMA X347 Environmental Qualification Form Page 3 of 4 005 00155 79 Rev F Figure A 1 GMA 347 Environmental Qualification Form Sheet 2 of 3 347 Installation Manual 190 00325 01 Page 5 Revision A Garmin Report 005 00265 12 HIRF and Lightning Test Plan GFC 700 Garmin Report 005 00265 31 HIRF and Lightning TSO Report GFC 700 The above two reports show that all part numbers on this EQF when installed and configured as per these reports comply with FAA Special Conditions as indicated in these reports The units pass the stated pass fail
76. o the rear plate using the screws provided in the connector kit Mount the unit rack to a suitable mounting location on the panel using the provided nutplates Assemble the rear plate into the GMA 347 unit rack Insert the GMA 347 into the rack noting proper orientation as shown on the installation drawing in Appendix B 6 Lock the GMA 347 in place using a 3 32 hex wrench Gh Pas oo 3 8 Post Installation Configuration and Checkout Refer to Section 5 for GMA 347 System Configuration Check wiring connections for errors before inserting the GMA 347 into the tray Incorrect wiring could cause internal component damage Except for marker beacon operation an in aircraft checkout may be performed in the aircraft on the ramp with a known good microphone headset speaker and avionics receivers For testing the marker beacon use a ramp tester that transmits a 75 MHz marker beacon test signal For installation checkout procedures refer to the GMA 347 Pilot s Guide 190 00325 00 for GMA 347 operation Verify that every function of the GMA 347 operates correctly GMA 347 Installation Manual Page 3 11 190 00325 01 Revision A In the following procedural steps outlined below allow for variations in configuration settings for the particular unit under test 3 8 1 Lamp Test Apply power to the unit by rotating the Pilot s intercom volume knob clockwise out of the detent During power up the unit undergoes a self test illum
77. on checkout Page 3 14 GMA 347 Installation Manual Revision A 190 00325 01 4 SYSTEM INTERCONNECTS When installations that have a Garmin GMA 340 audio panel are being upgraded to a GMA 347 refer to figure C 5 in appendix C for a pin to pin comparison of the two units 4 1 Connector Description The GMA 347 has two 78 pin connectors located at the rear of the unit designated P3471 and P3472 P3471 and P3472 are clearly marked on the back of the rack P3471 and P3472 pins are configured as shown in the following illustration 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 eo000000000000000009 40 41 42 43 44 45 46 50 51 52 53 54 55 56 57 58 47 48 49 5 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Figure 4 2 Rear Connectors J3471 and J3472 Viewed From Back of Unit 4 2 Connectors J3471 and J3472 J3471 and J3472 pin assignments are given in Tables 4 1 and 4 2 Following the pin assignment table additional tables group pin connections by function An asterisk following a signal name denotes that the signal is an Active Low requiring a ground to activate GMA 347 Installation Manual Page 4 1 190 00325 01 Revision A Table 4 1 J3471 Pin Assignments FAIL SAFE WARN AUDIO IN Pin Pin Name RESERVED TEL RI
78. onfiguration Upload 4 7 Page iv GMA 347 Installation Manual Revision A 190 00325 01 LIST OF ILLUSTRATIONS FIGURE PAGE 541 About MA Confie Tool eed ge eter Cond adea coe 5 1 5 2 GMA Configuration Tool Screen 5 2 553 Connecting to the aea eii tiet i etc eie 5 2 5 4 Radio Button Not Chosen and Upload Selected sse 5 6 529 File Selection bes ete Pete 5 6 5 6 Wrong Hex File Selected Selecting Boot Code for System Code 5 6 5 7 Wrong Hex File Selected Selecting System Code for System Code 5 7 5 8 Erasing Plas oed i teret te ten Pt eee er o cr eee oe de m uka et peel ghe 5 7 5 9 Uploading Flashu u n a a nan nsn apus 5 7 5 10 Canceling Code Upload erede eei p RECTE I ERR aa 5 7 5 06 Code Upload ec rrt etd eee 5 8 5 12 Code Upload Completes teh 5 8 1 347 Environmental Qualification Form A 4 Bel GMA 347 Outline Drawing oes ates Se Ree aerate n ent del eet 1 2 GMA 347 Rack Dimensions 115 00427 00 n nasa B 3 B 3 347 Connector Rack Assembly Drawing B 5 C 1 347 Power Ante
79. p A T ly NI SIN ssvd v 310N 335 OIN SSVd 97 IH NI SIN SSvd Me 5 10119 SY 3AVS 801 N39N3SSVd IVNOILJO NI SOI SSYd 1VNOILdO is NI 1011409 104402 IH NI Olanv SIN 1071402 os NI 1011900 yovr 306 10119 SV IWYS AIX SOI 1011400 2S NI A33 SOI 1011400 _ NI 10719 ONY 0119 82 IH NI OIN Lod 62 NI OIN 1071 gt He NI A3X SOI 1014 179 9112109 LO3NNOOH3INI XIGNAddV INTERCONNECT DRAWINGS APPENDIX C 3375 TIV4 83 13901 031 WOO 13SQV3H 1331 510119 33VS1IV3 NI YAMOd SVH 272 JHL IN3A3 JHL NI SNOISSINSNVYL ONY 1014 JHL 40 SNV3 5 v OLNI OIGNY MOTIV SAVMTY Ol ATLN3NVAN3d 394 415 38 SIHL 9NI12313S30 9NIL9313S 404 13NVd JHL NO 38 HOLIMS T1VN331X3 NOILO3S 01 43338 5 A S1VO1J 5 5 51 13 Q 3IHS 5 5 SLVO14 47315 YOLON
80. rts or labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warranty service contact your local Garmin Authorized Service Center For assistance in locating a Service Center near you call Garmin Customer Service at one of the numbers shown below Products sold through online auctions are not eligible for rebates or other special offers from Garmin Online auction confirmations are not accepted for warranty verification
81. ssitate the use of a Ring terminal 8 insulated 14 16 AWG 525036 153 e f only a single Flat Braid is left or if only a single Flat Braid is need for this connector a Ring terminal 8 insulated 18 22 AWG MS25036 149 can accommodate this single Flat Braid e f more braids exist for this connector than two per ring terminal it is permissible to terminate three braids per ring terminal This will necessitate the use of a Ring terminal 8 insulated 10 12 AWG MS25036 156 In rare situations where more braids need to be terminated for this connector than three per ring terminal it is allowable to daisy chain a maximum of two shields together before coming to the ring terminal See Figure 3 3 GMA 347 Installation Manual Page 3 7 190 00325 01 Revision A WINDOW WINDOW MIN gt gt Ne f I I I 1 1 lt FLOAT MIN FLOAT T m 1 8 9 MIN Figure 3 3 Daisy Chain Method for Shield Termination 9 Repeat steps 2 through 8 as needed for the remaining shielded cables 10 Terminate the ring terminals to the Shield Block 2 by placing items on the Pan Head Screw 10 in the following order Split Washer 11 Flat Washer 12 first Ring Terminal second Ring Terminal
82. t on the same circuit breaker unless it is specified on aircraft manufacturer approved drawings In some cases a larger gauge wire such as AWG 18 or 16 may be needed for power connections Extended barrel contacts for AWG 16 and 18 wire are available from Garmin if required Special thin wall heat shrink tubing is also provided to insulate the extended barrels inside the backshell If using 16 or 18 barrel contacts ensure that no two contacts are mounted directly adjacent to each other This minimizes the risk of contacts touching and shorting to adjacent pins and to ground Ensure that routing of the wiring does not come in contact with sources of heat RF or EMI interference Check that there is ample space for the cabling and mating connectors Avoid sharp bends in cabling and routing near aircraft control cables 2 3 Cooling Air The GMA 347 does not have provisions for attaching cooling air and does not generate an excessive amount of heat during typical operations however the thermal characteristics of the installation should always be assessed An undesireable thermal condition could be created due to the unit s own internal power dissipation combined with restricted ventilation or due to heat generated by adjacent equipment Limiting thermal build up by means of fan or natural convection is always a good practice and is recommended to increase the product life GMA 347 Installation Manual Page 2 1 190 00325 01 Revision A
83. tubing The chosen size of heat shrinkage tubing must accommodate the number of conductors present in the cable Secondary Method Leave a max 0 35 of shield extending past the jacket Fold this 0 35 of shield back over the jacket Slide a solder sleeve 7 over the end of the cable and use a heat gun approved for solder sleeves to secure the connection The chosen size of solder sleeve must accommodate the number of conductors present in the cable 5 6 Strip back 1 8 of insulation and crimp a pin 8 to each of the conductors in the shielded cable Insert newly crimped pins and wires into the appropriate connector housing location as specified by the installation wiring diagrams Cut the Flat Braid 6 to a length with the addition of a ring terminal that will reach one of the tapped holes of the Shield Block 2 See Figure 3 1 An appropriate amount of excess length without looping should be given to the Flat Braid 6 to allow it to move freely with the wire bundle Note that the maximum distance from the backshell allowed for the window splice should keep the Flat Braid 6 to a worst case length of approximately 4 Guidelines for terminating the newly cutoff Flat Braid s item 6 with insulated ring terminals 9 e Each tapped hole on the Shield Block 2 may accommodate only two ring terminals 9 e Itis preferred that only two Flat Braids 6 be terminated per ring terminal Two Flat Braids per ring terminal will nece

GMA 347 AUDIO PANEL INSTALLATION MANUAL

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