Garmin GMA 340 Pilot's Manual
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Garmin GMA 340 Pilot's Manual

Audio panel
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GMA 340
Audio Panel
pilot's guide
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Summary of Contents for Garmin GMA 340

  • Page 1 GMA 340 Audio Panel pilot’s guide...
  • Page 2 Front Panel Controls (GMA 340) Front Panel Controls (GMA 340 Dual ADF) Front Panel Controls (GMA 340H)

  • Page 3: Function Selection Switches

    Function Selection Switches The left small knob (5, 7) on all units controls ON/OFF function. Marker Beacon Lamps Marker Beacon Receiver Audio Select/Mute Button Marker Beacon Receiver Sensitivity Indicator LED’s Marker Beacon Receiver Sensitivity Selection Button Pilot Intercom System (ICS) Volume (Also Passenger Volume on 340H) Pilot ICS Voice Activated (VOX) Intercom Squelch Level Copilot and Passenger ICS Volume Control (Pull out for Passenger Volume) Copilot and Passenger VOX Intercom Squelch Level...
  • Page 4 On, Off, and Failsafe Operation The GMA 340 is powered off when the left small knob (5, 7) is rotated fully CCW into the detent. To turn the unit on rotate the knob clockwise past the click. The left small knobs also functions as the pilot or copilot’s ICS volume control on the appropriate unit.

  • Page 5: Aircraft Radios & Navigation

    Speaker Output Pressing the SPKR button (12) selects aircraft radios over the cabin speaker. The speaker output is muted when a COM microphone is keyed. The GMA 340 speaker output level can be adjusted by your installing agency. PA Function The PA mode is activated by pressing the PA button (11).

  • Page 6: Intercom System (Ics)

    After the operator has stopped talking, the intercom channel remains momentarily open to avoid closure between words or normal pauses. The GMA 340 provides three intercom modes: PILOT, CREW and ALL. The mode selection is accomplished using the PILOT and/or CREW buttons.
  • Page 7 A person listening on a monaural headset will hear only the left channel from the GMA 340 in both ears. If a monaural headset is used at one of the passenger positions, any other passenger listening on a stereo headset...

  • Page 8: Marker Beacon Receiver

    The GMA 340’s marker beacon receiver controls are located on the left side of the front panel (1 through 4). The SENS button selects either high or low sensitivity as indicated by the HI or LO LED being lit.

  • Page 9: Limited Warranty

    A copy of the original sales receipt is required as the proof of purchase for warranty repairs. 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...
  • Page 11 GMA 340 GMA 340 Dual ADF GMA 340H...
  • Page 12 © 2001 GARMIN Corporation GARMIN International, Inc. 1200 East 151 Street, Olathe, Kansas 66062, U.S.A. GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K. GARMIN Corporation No. 68, Jangshu 2 Road, Shijr, Taipei County, Taiwan www.garmin.com...

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