
10
Setting Volume
The + and - keys at the bottom of the unit allow you to set the
volume for the system. The volume +, volume –, and mute keys may
not function in all installations since the volume may be configured to
be adjusted individually at each headset. A message will be displayed
if the volume control is disabled and a lock icon will appear in the
volume location .
To adjust the Volume settings
1. Press + key to increase the volume level.
2. Press the – key to decrease the volume level.
To Mute the audio
1. Press the MUTE key to turn the audio off or to a very low
level.
2. Press the MUTE key again to return the audio to the
previous level.
XM Entertainment System
GRC 10
GDL 69A
Antenna
GRT 10
XM Satellite
Primary
Display
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