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Garmin GMA 350 System with installation kit and pilot's guide

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The first truly all-digital audio panel, the GMA 350 introduces a number of new technologies to the cockpit, including Telligence™ Voice Command, 3-D audio processing and advanced auto squelch.
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Overview

The first truly all-digital audio panel, the GMA 350 introduces a number of new technologies to the cockpit, including Telligence™ Voice Command, 3-D audio processing and advanced auto squelch.

 

Listen in Virtual 3-D

 

Advanced processing in the GMA 350 adjusts audio in the headset to mimic how the human ear normally hears and registers sounds in space. 3-D Audio makes it seem like different audio sources are coming from different directions so you can easily distinguish one source from many. For example, COMM 1 will seem like it's coming from the left while COMM 2 will seem like it's coming from the right.

 

Operate Hands Free

 

With built-in Telligence Voice Command, the GMA 350 helps decrease pilot workload. Operate your audio panel without taking your hands off the controls. To switch between COMMs, just press a button and say “MIC 1” or “MIC 2.”

 

Distribute Audio in the Cockpit

 

The GMA 350 makes in-flight entertainment easy. Permanently wire 2 dedicated input sources into the rear connectors, such as an XM receiver and an auxiliary music device. Plug your portable audio devices (such as MP3 players or mobile phones) into the 3.5 mm jack on the front. Control which headset positions have access to which audio sources with the “blue-select” mode so your passengers can enjoy music while you listen to radio communications or make private full-duplex telephone calls. The intuitive front panel layout features cursor control and volume indicator for easy operation.

 

Advanced Auto Squelch & Automatic Volume Control

 

Advanced auto squelch automatically adapts to a quiet or noisy cockpit without clipping words or cutting out in the middle of phrases. An internal microphone also senses ambient noise and adjusts the cockpit speaker volume level accordingly. The system analyzes ambient noise level and adjusts volumes for the headsets (when configured to do so at the time of installation), making alerts quieter when you're on the ground.

 

Advanced Features

 

A split COMM mode lets the pilot and copilot broadcast on independent frequencies. The automatic digital voice recorder continuously captures the last 2.5 minutes of audio for playback, so you can go back and listen if you miss an ATC call or frequency assignment.

 

Hands-free Convenience

 

The GMA 350c offers all the technology of the GMA 350 audio panel and adds the convenience of Bluetooth® wireless connectivity with your mobile and compatible portable devices, so you can distribute music or telephone audio through your aircraft audio panel wirelessly. And, with the VIRB® XE Aviation Bundle, Bluetooth works in place of a headset audio cable to overlay cockpit audio, such as radio and intercom, onto your video.

 

Features

  • Intuitive front panel layout with cursor control and volume indicator
  • 6 to 7 position intercom: pilot, copilot, and 4 or 5 passengers
  • 3 stereo headset amplifiers: pilot, copilot and passengers
  • 2 stereo music source inputs
  • 5 selectable intercom operational modes
  • Independent pilot, copilot and passenger volume controls
  • Individual VOX processing for each mic input
  • Automatic selection of radio audio source when corresponding mic is selected
  • Split COMM transceiver function. Copilot may transmit and receive on one COMM while pilot transmits and receives on another.
  • Voice recognition
  • Automatic audio adjustment for ambient noise
  • 3-D Audio
  • Marker beacon receiver with lamp driver outputs

Specs

Physical & Performance

Physical dimensions

6.25”W x 1.30”H x 7.80”D (15.9 x 3.3 x 19.8 cm)

Weight

2.4 lb (1.1 kg)

Audio Panel Features

Telephone interface

dedicated full-duplex tel interface (no PTT keying required)

ICS (intercom system)

6 to 7 position intercom (individual VOX processing for each mic position)

ICS isolation modes

5 - All, Pilot, CoPilot, Crew/Pass, None

Transceivers

2 - COM1, COM2

Additional receiver inputs

5 - NAV1, NAV2, AUX1, AUX2, AUX3

Music source input

2 stereo music source inputs

Music input impedance

rear pins: 600 Ohms; front panel jack: 5 kOhms

Music frequency response

20Hz - 20kHz

Speaker output

28V aircraft — 10W into 4 Ohms, 7W into 8 Ohms; 14V aircraft — 3W into 4 Ohms

PA function

pilot selectable — requires pressing and holding SPKR button to change state

Marker beacon

dual sensitivity

Manual squelch

Yes

Automatic squelch

Yes

SmartMute (includes SmartMute marker audio muting)

Yes

Intercom volume controls

Yes

Manual VOX level controls

1 (shared threshold, individual processing)

Avionics squelch (squelch processing for noise reduction)

Yes

Failsafe (connects Pilot PTT, mic and headset to COM1 if unit is turned off)

Yes

Clearance recorder

Yes

Split com (CoPilot transmits and receives on Com2 while Pilot transmits and receives on Com1)

Yes

Alert/Unswitched inputs

5

Front panel jack

yes (3.5mm - smartphone compatible)

Front panel music volume control

yes (music and telephone volume controls)

TSO Authorization

 

Additional

Additional

includes marker, AUX and speaker volume controls; also features 3D spatial audio and automatic speech recognition.

 

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