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Garmin GMA 245 Installation Manual

Manual is about: Audio Panel

Summary of GMA 245

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    190-01879-11 august, 2017 revision 6 gma 245/245r installation manual.

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    190-01879-11 gma 245/245r installation manual rev. 6 page a © 2017 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...

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    190-01879-11 gma 245/245r installation manual rev. 6 page i current revision description 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, chap...

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    190-01879-11 gma 245/245r installation manual rev. 6 page ii transmitter grant of equipment authorization 1. Fcc contains fcc id: qoqwt32i note this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference...

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    190-01879-11 gma 245/245r installation manual rev. 6 page iii table of contents paragraph page section 1 general description ...........................................................................1-1 1.1 introduction...................................................................................

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    190-01879-11 gma 245/245r installation manual rev. 6 page iv paragraph page section a installation considerations for upgrading from a garmin gma 240 ............................................................................................A-1 a.1 mechanical considerations ...........................

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    190-01879-11 gma 245/245r installation manual rev. 6 page v list of figures figure page section 1 general description ...........................................................................1-1 section 2 installation overview...........................................................................

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    190-01879-11 gma 245/245r installation manual rev. 6 page vi figure page appendix c interconnect drawings ................................................................C-1 figure c-1 notes for example interconnect drawings ........................................................C-1 figure c-2 j240...

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    190-01879-11 gma 245/245r installation manual rev. 6 page vii list of tables table page section 1 general description ...........................................................................1-1 table 1-1 physical characteristics gma 245 ...............................................................

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    190-01879-11 gma 245/245r installation manual rev. 6 page viii table page table 4-6 mic audio inputs and mic keys .......................................................................... 4-6 table 4-7 com audio and mic keys .............................................................................

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-1 1 general description 1.1 introduction this manual is intended to provide mechanical and electrical information for use in the planning and design of an installation of the gma 245 into an aircraft. This manual is not a substitute for an ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-2 1.2.1 features summary • 6 microphone inputs - pilot, copilot, 4 passenger • 2 microphone keys - pilot, copilot • 3 transceiver channels - com 1, com 2, tel • 5 receiver inputs - nav 1, nav 2, aux 1, aux 2, aux 3 • 2 music inputs • 4 aler...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-3 1.3.2 electrical specifications table 1-2 physical characteristics gma 245r characteristic specification unit height 1.36 inches (34.5 mm) unit width 6.29 inches (159.8 mm) unit depth 6.59 inches (167.3 mm) unit depth w/end mount bracket ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-4 headphone outputs output amplifiers: 3 stereo - pilot, copilot, passengers power, load, and distortion: 65 mw into 150 ohms with thd+n @ 10% output typical operating distortion: 3db frequency response bandwidth: 20 hz to 20 khz for music ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-5 1.3.3 power requirements the gma 245/245r will operate down to emergency voltage (9 volts). Below 11 volts, the usb charge port and the speaker are disabled. Table 1-5 gma 245/245r power requirements characteristic specification input vol...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 1-6 1.4 reference documents the following publications are sources of additional information for installing the gma 245. The installer should read all referenced materials along with this manual before attempting installation. Table 1-8 refer...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-1 2 installation overview 2.1 introduction this section provides the necessary information for the installation and checkout of the gma 245 audio panel. Installation of the gma 245 will differ according to equipment location and other facto...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-2 table 2-4 contents of gma 245 back plate kit (011-00678-00, also used for gma 240/340) item part number quantity pre-bagged screws “d” (table 2-7) 011-02650-03 1 nut cover, smp 115-00261-00 1 connector plate assembly, dcp 125-00040-00 1 n...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-3 2.3.2 additional equipment required • cables: the installer will fabricate and supply all system cables. Interconnect wiring diagrams are detailed in appendix c . • hardware: #6-32 100° flat head screw (6 ea.) and #6-32 self-locking nut (...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-4 2.4 installation considerations the gma 245 interfaces with various avionics equipment. Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are required for installation of the gma 245. Note ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-5 mounting the gma 245r with the front of the unit facing perpendicular to the cockpit (facing the left or right side of the aircraft), whether vertically or horizontally mounted, may have reduced connectivity depending on which side of the...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-6 2.9 configuration, and adjustment options the gma 245 has several configuration/adjustment options (see section 2.9.6 ). These configuration/ adjustments are as follows: • wired telephone volume • auxiliary 1 volume • auxiliary 2 volume •...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-7 2.9.5 dip switch configuration the dip switches are used to select the configuration settings listed in table 2-10, and are located on the right side of the unit next to the sd card slot as shown in figure 2-2. Figure 2-2 sd card slot and...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-8 2.9.5.2 gma 245r dip switch configuration settings the gma 245r dip switch configuration settings are listed in table 2-11. Table 2-11 gma 245r dip switch configuration settings switch function description 1 enabled keyed ics when set to ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-9 2.9.6 front panel configuration (gma 245 only) enter configuration mode by holding down the com1 mic and spkr buttons while turning the unit on. When in configuration mode, pressing the play button will annunciate the current software/dat...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-10 2.9.7 hardwired configuration options the configuration options in table 2-12 are available by wiring the inputs to a pushbutton to ground (see figure c-2 and figure c-3 ). Table 2-12 hardwire configuration options connector pin descript...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-11 2.10 updating software the g3x touch system is used to update the gma 245r software. The gma 245 (if connected in a g3x touch system), will also get software updates from the g3x touch system. See the g3x installation manual for instruct...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-12 6. If a problem is encountered during the update process, follow the below steps for possible solutions. A) use the pilot knob to power cycle the gma 245, then perform the process again. B) attempt to re-download the gma 245 software to ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-13 2.12 mounting requirements the gma 245 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 (hirf). The ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 2-14 figure 2-5 gma 245r w/mounting brackets on front and back note the gma 245r is shipped in the configuration shown in figure 2-5. Figure 2-6 gma 245r w/mounting brackets on sides note the side mounting bracket show in figure 2-6 is an add...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-1 3 installation procedure 3.1 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...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-2 note 1. Non-garmin part numbers shown are not maintained by garmin and consequently are subject to change without notice. 2. Extracting #18 and #20 contacts requires that the expanded wire barrel be cut off from the contact. It may also b...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-3 the items listed in table 3-4 are provided in the gma 245 connector kit ( table 2-5 and table 2-6 ). Note in figure 3-1, “ar” denotes quantity “as required” for the particular installation. Table 3-4 parts supplied for a gma 245 backshell...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-4 figure 3-1 gma 245r jackscrew backshell assembly.

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-5 figure 3-2 gma 245 shield block backshell assembly 1 2 2 4 ar ar 5 ar ar 6 ar ar 7 ar ar 9 ar ar ar ar ar ar 10 10 ar ar 17 17 2 15 15 3 14 14 8 ar ar 13 13 ar ar 2 16 16 3 12 12 11 11 19 19 18 18.

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-6 3.3.2 shield termination technique – method a.1 (standard) note for the following steps please refer to figure 3-1 or figure 3-2 (as appropriate), and figure 3-3. 1. The appropriate number of backshells will be included in the particular ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-7 3. Connect a flat braid (item 4, figure 3-3 ) to the shield exposed through the window of the prepared cable assembly (item 2, figure 3-1 or figure 3-2 ) from step 2. The flat braid should go out the front of the termination towards the c...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-8 secondary method: solder a flat braid (item 4, figure 3-3 ) to the shield exposed through the window of the prepared cable assembly (item 2, figure 3-1 or figure 3-2 ). Ensure a solid electrical connection through the use of acceptable so...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-9 note for the item numbers in the following steps 6-13 please refer to figure 3-1 , or figure 3-2 as appropriate. 6. Insert newly crimped pins and wires into the appropriate connector housing location as specified by the installation wirin...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-10 3.3.3 shield termination technique - method a.2 (daisy chain) in rare situations where more braids need to be terminated for a connector than three per ring terminal it is allowable to daisy chain a maximum of two shields together before...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-11 3.3.4 shield termination – method b.1 (quick term) if desired, the drain wire termination (item 3, figure 3-5 ) and the floating shield termination (item 5, figure 3-5 ) can be effectively combined into a “quick term”. This method elimin...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-12 secondary method: solder a flat braid (item 4, figure 3-6) to the folded back shield on the prepared cable assembly (item 2, figure 3-1 or figure 3-2 ). Ensure a solid electrical connection through the use of acceptable soldering practic...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-13 3.3.5 shield termination-method b.2 (daisy chain-quick term) in rare situations where more braids need to be terminated for a connector than three per ring terminal it is allowable to daisy chain a maximum of two shields together before ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-14 3.3.6 daisy chain between methods a and b in rare situations where more braids need to be terminated for a connector than three per ring terminal and a mixture of methods a and b have been used, it is allowable to daisy chain a maximum o...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-15 figure 3-9 jackscrew d-sub spliced signal wire illustration.

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-16 figure 3-10 shield block d-sub spliced signal wire illustration 0.75 inches min. Shrink able tubing end of shield bl ock 4 inches m ax. 0.35 inches m ax. Window size slee ve edge edge of strain relief outer edge of splice 3 inches m ax. ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-17 3.4 backshell assembly the gma 245 connector kit includes two garmin backshell assemblies. Garmin’s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing using the shi...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-18 figure 3-13 gma 245r audio shield termination (top and bottom) 3.6 unit installation caution do not use excessive force when inserting the gma 245 into the rack. This may damage the connectors, unit, and/or rack. If heavy resistance is f...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-19 3.7 post installation checkout caution check wiring connections for errors before inserting the gma 245 into the rack. Incorrect wiring could cause internal component damage. An in-aircraft checkout may be performed in the aircraft on th...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-20 3.7.4 intercom system (ics) check note stereo headsets are recommended if stereo jacks are installed. If a monaural headset is used in a stereo jack, the audio panel's right channel output is shorted to ground by the mono headset's plug ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-21 3.7.9 speaker check 1. If a speaker was installed, select spkr and receive com audio on the selected com. When the speaker is selected, the selected recievers on the gma (com, nav, aux ) should be heard from the speaker. Caution be sure ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 3-22 3.10 disabling bluetooth to aid in troubleshooting the gma 245, bluetooth function can be disabled. To disable bluetooth: 1. Press and hold the tel key for 5 seconds. 2. An audio clip will be heard in the headset that says “bluetooth dis...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-1 4 system interconnects 4.1 connector description the gma 245 has two 44-pin connectors located at the rear of the unit designated j2401 and j2402 which are oriented as shown in figure 4-1. The gma 245 is installed into a rack with shield ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-2 9 com 1 audio in hi in 10 com 1 audio lo -- 11 com 1 mic audio out hi out 12 com 1 mic key* out out 13 com 2 audio in hi in 14 com 2 audio lo -- 15 com 2 mic audio out hi out 16 pilot ics key* in 17 nav 1 audio in hi in 18 nav 1 audio in ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-3 4.2.2 j2402 connector table 4-2 j2402 pin assignments pin pin name i/o 1 pilot headset audio out lo -- 2 copilot headset audio out lo -- 3 copilot headset audio out left out 4 copilot headset audio out right out 5 lighting bus 14v lo/28v ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-4 4.3 aircraft power the gma 245 has four pins for aircraft power bus inputs. Use one wire for each of the pins connecting to the aircraft power and ground. Do not splice the power and ground pins at the unit and use only one wire to aircra...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-5 4.4.1 can bus terminator the following procedures are applicable only if the gma 245 is at the end of the can bus , a 120 Ω termination will be required to be added between the can hi and can lo pins at the unit. This termination can be a...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-6 4.6 audio inputs/outputs and mic keys 4.6.1 mic audio inputs and mic keys 4.6.2 com audio and mic keys table 4-6 mic audio inputs and mic keys pin connector pin name description i/o 34 j2401 pilot mic key* in enables respective mic audio ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-7 4.6.3 alert audio i/o 4.6.4 rcvr, aux, and nav audio inputs table 4-8 alert audio i/o pin connector pin name description i/o 31 j2401 alert 1 audio in hi alert 1 audio input in 32 j2401 alert 1 audio in lo ground reference for alert 1 -- ...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-8 4.6.5 failsafe warning audio failsafe audio is audio from another device that is heard when the gma is in failsafe mode (power off or unit failure) and is desired to be heard in addition to the com audio. Caution during failsafe mode both...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-9 4.6.7 tel audio i/o 4.6.8 headset outputs garmin recommends that stereo headsets and stereo jacks be used to fully utilize the 3d audio features of the gma 245. A true mono headset will work correctly with the gma 245, but only mono (left...

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    190-01879-11 gma 245/245r installation manual rev. 6 page 4-10 4.6.9 speaker audio out do not connect the lo of the speaker to the aircraft chassis. Two wires must be connected from the gma to the speaker for the hi and lo signals. If speaker lo is connected to the aircraft chassis ground, the speak...

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    190-01879-11 gma 245/245r installation manual rev. 6 page a-1 appendix:a installation considerations for upgrading from a garmin gma 240 note this appendix contains installation considerations for upgrading from a garmin gma 240. This is not a set of comprehensive installation instructions for insta...

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    190-01879-11 gma 245/245r installation manual rev. 6 page a-2 a.3 gma 240 to gma 245 retrofit connections figure a-1 gma 240 to gma 245 retrofit connections can bus lo can bus hi j2401 p2401 36 37 29 23 pilot ics key* in 16 com active* out 24 alert 3 audio in hi aux 3 audio in hi no connect pass 3 m...

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    190-01879-11 gma 245/245r installation manual revision 6 page b-1 appendix b outline and installation drawings figure b-1 gma 245 outline drawing.

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    190-01879-11 gma 245/245r installation manual revision 6 page b-2 appendix b outline and installation drawings figure b-2 gma 245 installation drawing.

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    190-01879-11 gma 245/245r installation manual revision 6 page b-3 appendix b outline and installation drawings figure b-3 gma 245r outline drawing, end mount bracket installation.

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    190-01879-11 gma 245/245r installation manual revision 6 page b-4 appendix b outline and installation drawings figure b-4 gma 245/245r outline drawing, side mount bracket installation.

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    190-01879-11 gma 245/245r installation manual revision 6 page b-5 appendix b outline and installation drawings figure b-5 gma 245/245r installation drawing, end and side bracket mounting end mount bracket installation side mount bracket installation.

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    190-01879-11 gma 245/245r installation manual revision 6 page c-1 appendix c interconnect drawings figure c-1 notes for example interconnect drawings gma 245 installation notes 2. Unless otherwise noted, all stranded wire must conform to mil-w-22759/16 or equivalent. Unless otherwise noted, all shie...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-2 appendix c interconnect drawings figure c-2 j2401 connector example interconnect drawing com 1 audio in hi com 1 audio lo com 2 audio in hi com 2 audio lo tel audio in hi tel audio lo pass headset lo pass headset right pass headset le...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-3 appendix c interconnect drawings figure c-3 j2402 connector example interconnect drawing pilot headset lo pilot headset right pilot headset left copilot headset lo copilot headset right copilot headset left aircraft power aircraft pow...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-4 appendix c interconnect drawings figure c-4 lighting bus example interconnect drawing j2402 gma 245 lighting bus 14v lo/28v lo lighting bus 14v hi/28v hi 5 7 to 14 volt lighting bus hi to 14 volt lighting bus lo lighting bus 14v hi/28...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-5 appendix c interconnect drawings figure c-5 mono audio example interconnect drawing mono audio connections mono audio out lo mono audio source mono audio out hi mono connections pilot headset lo pilot headset right pilot headset left ...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-6 appendix c interconnect drawings figure c-6 four passenger headset wiring example interconnect drawing passenger headset parallel wiring pass headset lo pass headset right pass headset left 41 40 42 note 5 up to 4 jacks j2401 p2401 gm...

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    190-01879-11 gma 245/245r installation manual revision 6 page c-7 appendix c interconnect drawings figure c-7 j2401 & j2402 connector layout drawing 30 com 2 mic key* out 15 com 2 mic audio out hi 44 alert 4 audio in hi 13 com 2 audio in hi 43 alert 3, 4, aux 3 audio in lo 29 alert 3 audio in hi 14 ...