Garmin GNC 255A Pilot's Guide

3-14 Garmin GNC 255A/255B Pilot’s Guide 190-01182-01 Rev. E
Functions
3.4.2 AUX Audio
The AUX Audio function turns AUX Audio on or off, sets the AUX volume level, and
sets the AUX audio to mute when a COM radio transmission is received.
Adjust AUX Audio
1. Press FUNC.
2. Turn the outer knob to ICS CONFIGURATION.
3. Turn the inner knob to AUX AUDIO.
4. Press ENT.
5. Turn the inner knob to turn the AUX audio ON or OFF.
6. Turn the outer knob to VOL.
7. Turn the inner knob to set the AUX volume level.
8. Turn the outer knob to MUTE ON RX (available with software v2.10 or later).
9. Turn the inner knob to ON or OFF. To mute the AUX audio when a radio
transmission is received, select ON.
10. Press ENT to save new values.
Press CLR to cancel the changes.
3.4.3 Intercom On/Off
The Intercom On/Off function toggles the intercom on and off. If installed with a
remote switch, the intercom can also be remotely toggled on or off. The Intercom
On/Off function must be set to ON to make the Adjust Intercom function available.
Intercom On/Off
1. Press FUNC.
2. Turn the outer knob to ICS CONFIGURATION.
3. Turn the inner knob to INTRCOM ON/OFF.
4. Press ENT.
5. Turn the inner knob to set the Intercom ON or OFF.
6. Press ENT to save the selected value.
Press CLR to cancel the change.
AUX Audio Status
AUX Audio Volume
Intercom On or Off

Garmin GNC 255A Specifications

General

Brand	Garmin
Model	GNC 255A
Category	Transceiver
Language	English