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Controls Pilot ICS volume, also passenger volume on GMA 340H. Linked to ON/OFF knob.
Adjusts Pilot ICS VOX squelch level. CW increases audio needed to break squelch.
Controls Copilot ICS volume, and Passenger ICS volume when pulled out.
Adjusts Copilot/Passenger ICS VOX squelch level. CW increases audio needed to break squelch.
Buttons to select COM 1, COM 2, or COM 3 for MIC and audio source.
Buttons to select which COM transceiver is used for microphone input.
Button to activate Split COM function for separate pilot/copilot transmissions.
Unit power controlled by small knob (5, 7). Failsafe connects pilot headset to COM 1 on power loss.
Dedicated pilot/copilot COM MIC/audio over separate radios, with PA override.
Controls Pilot ICS volume, also passenger volume on GMA 340H. Linked to ON/OFF knob.
Adjusts Pilot ICS VOX squelch level. CW increases audio needed to break squelch.
Controls Copilot ICS volume, and Passenger ICS volume when pulled out.
Adjusts Copilot/Passenger ICS VOX squelch level. CW increases audio needed to break squelch.
Buttons to select COM 1, COM 2, or COM 3 for MIC and audio source.
Buttons to select which COM transceiver is used for microphone input.
Button to activate Split COM function for separate pilot/copilot transmissions.
Unit power controlled by small knob (5, 7). Failsafe connects pilot headset to COM 1 on power loss.
Dedicated pilot/copilot COM MIC/audio over separate radios, with PA override.
| Brand | Garmin |
|---|---|
| Model | 340 |
| Category | Control Panel |
| Language | English |











