Garmin GMA 240 - Manual (Page 4)

190-00917-00 Rev. A Garmin GMA 240 Pilot’s Guide 4
GMA 240 Audio Panel
Pilot’s
Squelch
Knob
Copilot/
Passenger/
Music Volume
Knob
Copilot/
Passenger
Squelch Knob
ON/OFF
and Pilot’s
Volume
Knob
Monitor Mute
Key
Music 1 or 2
Select Key
Transceiver
Selection Keys
Com Receiver
Keys
Nav Receiver and
AUX Audio Keys
Music On/
Off Key
Intercom
Mute Key and
Radio Mute
Key
Pilot ICS
Isolation
Key
Telephone
Key
Music Audio
or Telephone
Input Jack
Volume/Squelch: Rotating the Pilot Volume Knob (left small
knob) controls the ON and OFF function (Full CCW detent is
OFF). The large left knob controls Pilot squelch.
Pulling the right volume knob (small knob) controls music
volume, pushing in controls Copilot and passenger volume.
The large right knob controls Copilot and passenger squelch.