Garmin GMA 1347 - Unit Condition: Serviceable

Description

The Garmin GMA 1347 is a vertically oriented panel mounted audio control and marker beacon system. The system delivers reliability and versatility for all audio controlling functions. LED-illuminated push buttons and logical panel layout allow audio selection of NAV, COM, DME, ADF, MKR, TEL, AUX and automatic warning audio in voice or tone annunciation. LED brightness is adjusted to a level appropriate for ambient cockpit light conditions automatically by the GDU or manually with radio lighting controls, depending upon installation connections. A failsafe circuit connects the pilot’s headset and microphone directly to COM 1 in case power is interrupted or the unit is turned off.

The GMA 1347 provides digital audio input/output capability to external radios. The unit is capable of digitally interfacing with two transceivers and two receivers. For every channel except COM 3, the unit generates both digital and analog outputs, and combines both digital and analog inputs.

The GMA 1347 provides a digital 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.

Features

• Logical front panel layout
• LED annunciators indicate selected function
• Six position intercom: pilot, copilot, four passengers
• Three stereo headset amplifiers: one for pilot, one for copilot, and one for the passengers
• Two stereo music source inputs
• Four selectable intercom operational modes
• Independent pilot and copilot/passenger volume control
• VOX control for mic inputs
• Automatic selection of radio audio source when corresponding mic is selected MASQ Processing
• 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
• SmartMute marker audio muting
• Speaker output for radios or PA function
• Power-off fail safe connection for Pilot PTT, mic and Pilot’s Headset-Left to COM 1
• Digital audio interface
• Voice Recorder with playback