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3-1190-01182-01 Rev. A
Garmin GNC 255A/255B Pilot’s Guide
3 FUNCTIONS
The Functions section allows provides information about Com Frequencies,
Nav Frequencies, Internal Communications System (ICS) Configuration, System
Configuration (SYS), and Timers (TMR).
3.1 Functions Description
Timers
Count Down
ENT - Start/Stop
CLR - Reset
Push CRSR - Settings
ENT - Accept
Count Up
ENT - Start/Stop
CLR - Reset
Nav Freq
Recent Freqs
User Freqs
Database
Nearest VOR
Com Freq
Recent Freqs
User Freqs
Database
Nearest Apt
Nearest ACC
Nearest FSS
Nearest WX
SYS Config
Com Spacing
DSPL Brt
DSPL Contrast
Database Info
Load Database
Software Ver
Serial Number
ICS Config
Adjust Intercom
Aux Audio
Intrcom On/Off
Speaker On/Off
Figure 3-1 Functions Diagram