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Popular Garmin GMA 240 Manual Pages
Installation Manual - Page 4
... 1.3 Technical Specifications ...1-2 1.4 Reference Documents ...1-4 1.5 Limited Warranty...1-5
2 INSTALLATION OVERVIEW ...2-1 2.1 Introduction...2-1 2.2 Installation Materials ...2-1 2.3 GMA 240 Wiring, Configuration, and Adjustment Options 2-1 2.4 Noise ...2-5 2.5 GMA 240 Mounting ...2-6
3 INSTALLATION PROCEDURE...3-1 3.1 Unpacking Unit...3-1 3.2 Electrical Connections ...3-1 3.3 Audio Shield...
Installation Manual - Page 6
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GMA 240 Installation Manual 190-00917-01
GMA 240 HARDWARE MOD LEVEL HISTORY
The following table identifies hardware modification (Mod) Levels for the GMA 240 Audio Panel. Authorized Garmin Sales and Service Centers are listed with the associated service bulletin number, service bulletin date, and the purpose of this manual (see date on front cover) and is current at www.garmin.com using...
Installation Manual - Page 7
... a TSO-certified product and has received no FAA approval or endorsement. The GMA 240 meets the needs of the unit can be found in the GMA 240 Pilot's Guide, P/N 190-00917-00.
1.2 Equipment Description
The Garmin GMA 240 Audio Panel is controlled by the aircraft lighting bus. 1 GENERAL DESCRIPTION
1.1 Introduction
This manual provides the installation instructions for pilot isolation. B
Installation Manual - Page 11
... the United Kingdom, the United States, Canada, or Taiwan for service. Phone: 44/ (0) 870.8501241 FAX: 44/ (0) 870.850125
GMA 240 Installation Manual 190-00917-01
Page 1-5 Rev. Within the applicable period, Garmin will, at no charge to the Garmin service center in normal use. Such repairs or replacement will not replace missing components from the date of the purchase price at...
Installation Manual - Page 13
...
2.2.1 Equipment Available
GMA 240 Audio Panel, Ship Level Assembly, P/N 010-00735-() includes the following sections:
• Wiring options - These configuration/adjustments are detailed in the following , depending on part number:
Item
Connector Kit, GMA 340 Rack Backplate, GMA 340 Unit Assembly, GMA 240 Audio Cables, 2.5 mm RA Stereo Plug Install Rack, GMA 340
Garmin P/N
011-00652...
Installation Manual - Page 14
... be used only if the audio panel is not responsible for disassembly/reassembly instructions. This service should only be used in session. Garmin is not capable of properly detecting the telephone that does not provide one during transmission. Many phones supply sidetone when a call is disruptive to simulate received sidetone from the telephone is in the installation. If...
Installation Manual - Page 15
...) flat-blade non-conductive screw driver or adjustment tool. GMA 240 Installation Manual 190-00917-01
Page 2-3 Rev.
B Rear connector TEL input volume 5. Front panel jack TEL input volume 6. Reserved
Reserved
Reserved
Reserved
Reserved
2.3.2 VOLUME/MUTE Configuration Adjustments The following adjustments can be set fully CCW (live MIC). If a jumper is used, the VOX knobs should be...
Installation Manual - Page 21
... that the failsafe warning is shorted to open. This is because the unit is used in a mono headset.
1. B
Incorrect wiring could cause internal component damage. 3.5 Post Installation Checkout
CAUTION Check wiring connections for low-power operation in systems with limited power budgets. If a monaural headset is optimized for errors before inserting the GMA 240 into the rack.
Installation Manual - Page 22
... knob is not set by intercom audio when ICS music mute is attempted to COM 1 and verify that the wiring harness does not touch any moving part. Instructions for Continued Airworthiness (ICA) are not required for audio over all aircraft control movements before flight is selected. 4. Connect a stereo music source to the front panel jack.
B
GMA 240 Installation Manual 190-00917...
Installation Manual - Page 37
...
38
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RESERVED
RESERVED
RESERVED
RESERVED RESERVED
RESERVED
PASS 2 MIC AUDIO IN LO
PASS 2 MIC PASS 1 MIC AUDIO IN HI AUDIO IN LO
PASS 1 MIC AUDIO IN HI
COPILOT MIC COPILOT MIC COPILOT MIC
AUDIO IN LO
KEY* IN
AUDIO IN HI
PILOT HEADSET AUDIO OUT
RIGHT
GMA 240 Installation Manual 190-00917-01
Figure B-2.
Pilot's Guide - Page 6
..., and PTT directly to ensure that only the active microphone is heard when squelch is broken.
6
Garmin GMA 240 Pilot's Guide
190-00917-00 Rev. Contact a Garmin-authorized service center for details and assistance in the aircraft. Microphones
The GMA 240 Audio Panel can accept up to transmit on the aircraft type and the needs of the Pilot.
Each microphone...
Pilot's Guide - Page 7
...Garmin GMA 240 Pilot's Guide
7 GMA 240 Audio Panel
Mono/Stereo Headsets
The unit can be selected independently by the selected COM radio volume control. The use .
190-00917-00 Rev. If a monaural headset is used... headset has a mono/ stereo switch set to two (2) passengers).
When wired correctly, the use with the same keys selected as audio sources regardless of which transceiver has been...
Pilot's Guide - Page 8
... hears all other occupant.
8
Garmin GMA 240 Pilot's Guide
190-00917-00 Rev. Intercom
The GMA 240 includes a four-position intercom system... the receiver audio for a combined Copilot/passenger control, set intercom audio level.
They remain active as audio sources until ... mute all monitored receiver audio when the active transceiver is pressed. GMA 240 Audio Panel
When a microphone is ...
Pilot's Guide - Page 9
...
Garmin GMA 240 Pilot's Guide
9 Press the PILOT ISO Key for these positions.
Press the TEL Key to mute the music during intercom operation. When the telephone is active, operation depends...for Pilot or Crew isolation, depending on the ICS mode. GMA 240 Audio Panel
Press the ICS Key to activate telephone operation. Selected Radios, Alerts, Telephone, Pilot, Copilot, Passengers, ...
Pilot's Guide - Page 10
..., during intercom operation if the ICS Key is selected, and any time the TEL Key is heard by all unless intercom isolation removes the audio. A MUSIC 1/TEL jack is soft-muted under certain conditions.
A music source plugged into the MUSIC 1 or MUSIC 2 jacks. MUSIC is also located on the GMA 240 front panel.
Press the...
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