Garmin 255A manual Turn the Small knob to turn the Aux Audio On or Off

3.4.2Aux 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

Turn LARGE And

Then SMALL Knob To

Adjust Aux Volume

Press the ENT Key to Save the Displayed Value

Press the CLR Key To Revert to the Previous Value

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.

3-16 Garmin GNC 255A/255B Pilot’s Guide 190-01182-01 Rev. A