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Functions
3.5 System Configuration
The System Configuration function displays the software version, database
information, and serial number. This information is helpful when contacting
customer support. It also allows setting the COM spacing, display brightness and
contrast, and to update databases.
3.5.1 COM Spacing
COM spacing may be selected between 8.33 kHz and 25 kHz to allow for regional
requirements.
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 FUNC.
2.
Turn the outer knob to SYS CONFIGURATION.
3.
Turn the inner knob to COM SPACING.
4.
Press ENT.
5.
Turn the inner knob to set the COM spacing.
6.
Press ENT to save the selected value.
Press CLR to cancel the change.
3-16
COM Spacing
Garmin GNC 255A/255B Pilot's Guide
Channel Spacing
190-01182-01 Rev. E
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