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2-9190-01182-01 Rev. A
Garmin GNC 255A/255B Pilot’s Guide
2.5 Distance/Speed/Time (DST) Display
When the GNC 255 has received data from an external device, such as a GPS
receiver or DME sensor through the serial port, DST data will be available. If you
are not connected to an external sensor, you will not see this display.
If DST data is not shown, pressing the T/F key will show DST
data in the lower part of the display.
Distance To Station
In Nautical Miles
Active Nav Frequency
Station Identifier
Bearing To/From Station
Time To Station In
Hours and Minutes
Ground Speed From
GPS Unit In Knots
Figure 2-15 DST Data Display
NOTE: The If both GPS and DME data sources are connected to the GNC
and dashes are displayed when distance/speed/time data is expected to
be displayed, press the T/F key to prompt the GNC to display DST data.