Garmin GTN6XX Benutzerhandbuch

190-01007-A1

System Maintenance Manual GTN 6XX/7XX Part 23 AML STC

Rev. 7

Page 7-6

The following steps must be performed when replacing a GMA 35 audio panel.

1. Configure audio panel per Section 7.2.1.

2. Perform ground check per Section 7.2.2.

7.2.1 GMA 35 Audio Panel Configuration (GTN 7XX Only)
7.2.1.1 GMA 35 Audio Panel Settings
In configuration mode, touch the External Systems key (See Figure 3-8) followed by the Audio Panel 
key. The Audio Panel page (Figure 7-1) will be displayed. Touch the Configure key to access 
configuration settings for audio routing, volume, and miscellaneous options. See Figure 7-1. Touch Back 
to return to the Audio Panel page.

Touch the Connected Radios key to set the status (Present or Not Present) of COM 2, COM 3, NAV 1, 
NAV 2, RCVR 3, RCVR 4, RCVR 5, TEL, Music 1, Music 2 and Marker Beacon. Touch Back to return to 
the Audio Panel page.

Review the GMA 35 audio panel configuration settings on the GTN and compare them against the GTN 
Configuration Log. A copy of the GTN Configuration Log form may be found in the appendices of this 
document. If any of the settings differ from the checkout log, update the settings to the correct value. For 
information regarding individual settings, refer to the GTN 6XX/7XX AML STC Installation Manual.