Garmin GMA 347 - Manual (Page 17)

Garmin GMA 347 Pilot’s Guide 190-00325-00 Rev. B
15
Operation
• ICS Muting option stops playing Music 1 during ICS
activity.
• Enable or disable DME and ADF Input.
• Enable or Disable Split COM function.
• Enable or Disable COM 3 function.
• Enable or Disable the telephone channel
• Enable or Disable Speaker function.
• Adjust the volume level of Music 1 and Music 2,
Unswitched 1, Unswitched 2, Unswitched 3, Speaker,
and Altitude Warning.
• Speaker always selected on power up.
• Disable beep sound for pushbutton recognition.
• Allow toggling of Music 1 muting during COM/NAV
activity.
CAUTION: When the GMA 347 Audio panel is turned
OFF or inoperative, certain autopilots will not operate.
No warning tone is supplied when the autopilot
disengages, and the middle marker sense signal is
not supplied.