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3-16
Garmin GNC 255A/255B Pilot’s Guide
190-01182-01 Rev. A
3.4.2 Aux Audio
The Aux function allows you to turn Aux Audio On/Off and set the volume
value.
1. Press FUNC to access the Functions. Turn the LARGE knob
to select the ICS Function. Turn the SMALL knob to view the
Aux Volume function. Then, press the ENT key.
Figure 3-29 Select the Aux Audio Function
2. Turn the SMALL knob to turn the Aux Audio On or Off.
3. Turn the LARGE knob to select the Aux Volume. Turn the
SMALL knob to set the value. Then, press the ENT key.
Turn Small Knob To Turn Aux On/Off
Press the ENT Key to Save
the Displayed Value
Press the CLR Key To Revert
to the Previous Value
Turn LARGE And
Then SMALL Knob To
Adjust Aux Volume
Figure 3-30 Adjust Aux Audio
4. Press the CLR key to revert to the previous Volume value and
then repeat step 3 to select a new value.