Garmin 255A manual Distance/Speed/Time DST Display, DST Data Display

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2.5Distance/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.

Station Identifier

Bearing To/From Station

Distance To Station

In Nautical Miles

Active Nav Frequency

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.

190-01182-01 Rev. A

Garmin GNC 255A/255B Pilot’s Guide

2-9

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Contents GNC 255A/255B November Limited Warranty 190-01182-01 Rev. a Iii Operation US Toll Free Canada Toll Free Product Registration and SupportRecord of Revisions Contents 2.2 2.12.3 Index Index-1 This page intentionally left blank Product Description Getting StartedNav Volume/ID Knob Power/Com Volume/Squelch KnobPilot Controls FLIP/FLOP Key Tuning LARGE/SMALL Concentric Cursor Knobs5 C/N Com/Nav Key OBS KeyFunc Function Key USB PortMON Monitor Key Com Radio Power OnSelecting a Com Frequency Saving a Com Channel Monitoring the Standby Com ChannelAfter selecting the desired characters, press ENT After making a selection, press ENT DescriptionFrequency Database Reverse Look-Up Com Database Look-UpStuck Mic Emergency ChannelRemote Frequency Selection Control Selecting a Nav Frequency Nav RadioSaving a Nav Channel 01-36 Listening to the Nav Audio Channel14 CDI Display OBS Mode15 DST Data Display Distance/Speed/Time DST DisplayThis page intentionally left blank Functions Description FunctionsRecent Com Frequencies Com FrequenciesTurn the Small knob to select an Entry Press the CLR key to delete this User frequency Com User FrequenciesFrequencies. Press ENT Editing a Com User FrequencyCom Database Frequencies Com Database FrequenciesNearest APT function. Then, press ENT Com Nearest Airports APTTurn Small Knob To Scroll Through Available Frequencies Com Nearest Area Control Center ACC Frequencies13 Com Nearest FSS Frequencies Com Nearest Flight Service Station FSS Frequencies14 Com Nearest Weather Frequencies Com Nearest Weather WX FrequenciesRecent Nav Frequencies Nav FrequenciesPress the ENT key to delete the displayed frequency Nav User FrequenciesEditing a Nav User Frequency 21 Nav Database Frequencies Nav Database FrequenciesNav Nearest VOR When duplicate identifiers are found, press ENTAdjust Intercom ICS ConfigurationTurn the Small knob to display the available VORs Functions displayTurn the Small knob to turn the Aux Audio On or Off Aux AudioSpeaker On/Off Intercom On/OffIntercom On/Off function. Then, press the ENT key Speaker On/Off function. Then, press ENTCom Spacing System Configuration34 Set Display Brightness Display BrightnessDatabase Info Display ContrastDisplay Contrast function. Then, press the ENT key Database Version function. Then, press the ENT keyLoad Database function. Then, press the ENT key Load DatabaseSerial Number Software VersionSoftware Version function. Then, press the ENT key Press the Func key to return to the main menuSetting Up the Count Down Timer TimersTo select a starting timer value Viewing Timers in the Com Display Setting Up the Count Up TimerPressing CLR and then ENT will reset the displayed Timer Pressing ENT twice will stop the displayed Timer48 Count Down Timer Value Now Counting Up This page intentionally left blank Appendix TroubleshootingOr disabled via a Remote mounted It can be enabledIf in Lock Out mode Calibration error Recalibrate resolverUpdating the Frequency Database Messages Switch has been Power has been Re-apply power to the unitVerify glideslope deviation Property withInstallations All installationsRemote com Been in pressedNot communicating Nav radio is Contact dealer for serviceProperty with System This page intentionally left blank Index Remote frequency control 2-5 Reverse look-up 2-4 Revisions