Section 929
GARMIN GTN 635/650/750
929 - 12
Page Date: 20. January 2016
Pilot´s Operating Handbook
EXTRA 300L
IMPORTANT CODES:
1200 The VFR code for any altitude in the US (Refer to ICAO standards elsewhere)
7000 The VFR code commonly used in Europe (Refer to ICAO standards)
7500 Hijack code (Aircraft is subject to unlawful interference)
7600 Loss of communications
7700 Emergency
7777 Military interceptor operations (Never squawk this code)
0000 Military use (Not enterable)
Avoid selecting code 7500 and all codes in the 7600-7777 range. These trigger special indicators
in automated facilities. Only the code 7500 will be decoded as the hijack code. An aircraft’s
transponder code (if available) is utilized to enhance the tracking capabilities of the ATC facility,
therefore care should be taken when making routine code changes.
929.7.5
REMOTE AUDIO PANEL OPERATION (GTN 750 ONLY)
The remote audio panel (GMA 35) can be operated from the GTN 750 only. It incorporates an
intercom functionality. The Passenger Address, Cabin Speaker, Marker Beacon and Telephone
functionalities are not used. See Figure 5 for the GTN750 audio panel operation page.
MIC WINDOW MIC SELECTION
1. Touch the
Mic
window to toggle between Mic 1 and Mic 2.
2. Note that the selected Mic is automatically monitored.
AUDIO PANEL PAGE MIC SELECTION
1. Touch the
Audio Panel
key at the top of the display.
2. Touch the desired Mic from the MIC Selection list on the right side of the display.
3. The selected Mic will be shown in the MIC window.
MONITOR
1. Monitor is automatically selected for the associated Com Mic Radio.
Summary of Contents for 300L
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