2.2.2Monitoring the Standby Com Channel

The Frequency Monitoring function allows you to monitor the Standby frequency for activity, while listening to the Active frequency.

Press the MON key in the Com function to listen to the standby frequency. A small “MN” will replace the “STB” to the left of the Standby frequency.

Monitor

Annunciation

Standby

Frequency Being

Monitored

Figure 2-2 Com Frequency Monitor Annunciation

When the Active frequency receives a signal, the unit will switch automatically to the Active frequency. The Active frequency quality is not affected. The Frequency Monitor function is turned off by pressing the MON key again. Monitoring is not canceled by switching to Nav mode.

2.2.3Saving a Com Channel

The current Standby frequency may be saved into the Com User Frequency database from the Com display or the Com User Function. The Com User Frequency database can hold up to 15 frequencies.

NOTE: When switching from 8.33 kHz to 25 kHz mode, any 8.33 kHz- specific user frequencies will be deleted from the user frequency list. This only affects the user frequencies within the 8.33 kHz spectrum.

1.Press ENT.The Standby frequency is selected and the Waypoint name field will be active.

2.Turn the SMALL knob to select characters.

3.Turn the LARGE knob to move the cursor.

Press the ENT Key to Save the Displayed Value

Press the CLR Key To Revert to the Previous Value

Number of

Frequencies Saved

Turn SMALL Knob

To Select Character

Turn LARGE Knob

To Move Cursor

Figure 2-3 Com User Frequency Name Selection

4. After selecting the desired characters, press ENT.

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Garmin GNC 255A/255B Pilot’s Guide

190-01182-01 Rev. A

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Image 18
Garmin 255A Monitoring the Standby Com Channel, Saving a Com Channel, After selecting the desired characters, press ENT