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3-11190-01182-01 Rev. A
Garmin GNC 255A/255B Pilot’s Guide
3.3.2 Nav User Frequencies
Up to 15 Nav User Frequencies can be saved with an assigned waypoint
(WPT) identifier and Type.
3.3.2.1 Viewing the Nav User Frequency
1. Press FUNC to access the Functions. Turn the LARGE knob to
select the Nav Frequency List Function. Turn the SMALL knob
to view the Nav User Frequency function. Then, press ENT.
Position In List.
Turn SMALL Knob
To Select Entry.
Selected Frequency
Press FLIP/FLOP Key To Set
Selected Freq As Active
Press ENT Key To Set
Selected Freq As Standby
Active Frequency
Figure 3-16 Viewing User Nav Frequencies
2. Turn the SMALL knob to view the Nav User Frequencies.
3. Press and release the FLIP/FLOP key to set the displayed
frequency as the Active frequency.
4. Press the ENT key to set the displayed frequency as the Standby
frequency.
3.3.2.2 Deleting the Nav User Frequency
1. While viewing a Nav User frequency, press the CLR key to
delete the displayed User frequency.
Position In List.
Turn SMALL Knob
To Select Entry.
Selected Frequency
Press ENT To Delete The
Selected Freq
Press ENT Key To Confirm
Deleting The Frequency
Active Frequency
Figure 3-17 Deleting User Nav Frequencies
2. Press the ENT key to delete the displayed frequency.