2-9190-01182-01 Rev. A Garmin GNC 255A/255B Pilot’s Guide2.5 Distance/Speed/Time (DST) DisplayWhen the GNC 255 has received data from an external device, such as a GPSreceiver or DME sensor through the serial port, DST data will be available. If youare 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 DSTdata in the lower part of the display.Distance To StationIn Nautical MilesActive Nav FrequencyStation IdentifierBearing To/From StationTime To Station InHours and MinutesGround Speed FromGPS Unit In KnotsFigure 2-15 DST Data DisplayNOTE: The If both GPS and DME data sources are connected to the GNCand dashes are displayed when distance/speed/time data is expected tobe displayed, press the T/F key to prompt the GNC to display DST data.
