Music System Check (If Installed); Telligence™ Voice Command Check (If Installed) - Garmin GTN 6 Series Maintenance Manual

6.4.8

Music System Check (If Installed)

1. Set the intercom to the ALL mode.
2. Connect a stereo audio source to MUSIC 1 or MUSIC 2. Verify that stereo audio is heard over the
pilot headset position.
3. Tune a station on COM 1.
4. Verify the sound is muted by active COM 1 audio. If necessary, break squelch on COM 1.
5. Verify the stereo audio is heard in the passenger headsets.
6.4.9 Telligence™ Voice Command Check (If Installed)
1. Press and hold the pilot push-to-command switch.
2. Say a voice command into the pilot microphone (e.g., say, "Pilot Volume Up").
3. Release the pilot push-to-command switch.
4. Verify the commanded audio panel setting is changed. Only one command needs to be tested to
verify the functionality of the feature.
5. Repeat steps 1-4 for co-pilot push-to-command switch, if installed.
190-01007-B1
Rev. 4
GTN 6XX/7XX Part 27 AML STC Maintenance Manual
Page 6-15