Garmin GNC 255A Pilot's Guide

2-6 Garmin GNC 255A/255B Pilot’s Guide 190-01182-01 Rev. E
Basic Operation
2.1.8 Remote Frequency Selection Control
On units configured for remote COM frequency Recall, pressing the remote recall
switch will load the next preset COM frequency into the unit’s standby frequency
box. The remote recall switch can be pressed multiple times to scroll the entire preset
frequency list through the standby frequency box (the list will wrap from the bottom
of the list back up to the top, skipping any empty preset positions).
The standby frequency isn’t activated until either the bezel-mounted COM
FLIP/FLOP key or remote COM RMT XFR switch is pressed. Remote Frequency
Selection only functions on units configured for a remote COM Frequency recall
switch.
2.2 NAV Radio
2.2.1 Selecting a NAV Frequency
The selection of NAV frequencies is the same as for the COM frequencies.
1. Press the C/N key to reach the NAV radio function. The NAV annunciator on
the top line of the display will show.
2. Turn the outer knob to change the MHz values. The MHz selection range is
between 118 and 136 in one MHz steps.
3. Turn the inner knob to change the kHz values.
NAV Frequency Selection
CAUTION
THE IDENTIFIER IS DETERMINED FROM THE DATABASE AND IS NOT
THE DECODED NAV IDENTIFIER.
4. Press and release the FLIP/FLOP key to toggle the standby frequency to the
active frequency.
NOTE
Both NAV and COM frequencies cannot be displayed at the same time.
Identifier and Type Shown
For The Selected Frequency

Garmin GNC 255A Specifications

General

Brand	Garmin
Model	GNC 255A
Category	Transceiver
Language	English