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3-17190-01182-01 Rev. A
Garmin GNC 255A/255B Pilot’s Guide
3.4.3 Intercom On/Off
The Intercom On/Off function toggles intercom on and off. The intercom
can also be toggled on/off with a remote switch, if installed. The Intercom On/
Off function must be set to On to make the Adjust Intercom function available.
1. Press FUNC to access the Functions. Turn the LARGE knob
to select the ICS Function. Turn the SMALL knob to view the
Intercom On/Off function. Then, press the ENT key.
Press ENT to Accept
the Selected Value
Press CLR to Return
to the Default Value
Turn SMALL Knob To Select On or Off
Figure 3-31 Turn the Intercom On/Off
2. Turn the SMALL knob to set the Intercom On or Off. Then,
press the ENT key to save the selected value.
3.4.4 Speaker On/Off
The Speaker On/Off function toggles speaker output on and off.
1. Press FUNC to access the Functions. Turn the LARGE knob
to select the ICS Function. Turn the SMALL knob to select the
Speaker On/Off function. Then, press ENT.
Press ENT to Accept
the Selected Value
Press CLR to Return
to the Default Value
Turn SMALL Knob To Select On or Off
Figure 3-32 Turn the Speaker On/Off
2. Turn the SMALL knob to set the speaker output On or Off.
Then, press the ENT key to save the selected value.