Garmin 255A manual Record of Revisions

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Record of Revisions

Part Number	Revision	Date	Description
190-01182-01	A	11/19/12	Initial release

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Garmin GNC 255A/255B Pilot’s Guide

190-01182-01 Rev. A

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Contents GNC 255A/255B November Limited Warranty 190-01182-01 Rev. a Iii Operation Product Registration and Support US Toll Free Canada Toll FreeRecord of Revisions Contents 2.3 2.12.2 Index Index-1 This page intentionally left blank Getting Started Product DescriptionPilot Controls Power/Com Volume/Squelch KnobNav Volume/ID Knob Tuning LARGE/SMALL Concentric Cursor Knobs FLIP/FLOP Key5 C/N Com/Nav Key OBS KeyMON Monitor Key USB PortFunc Function Key Selecting a Com Frequency Power OnCom Radio After selecting the desired characters, press ENT Monitoring the Standby Com ChannelSaving a Com Channel Description After making a selection, press ENTCom Database Look-Up Frequency Database Reverse Look-UpRemote Frequency Selection Control Emergency ChannelStuck Mic Saving a Nav Channel Nav RadioSelecting a Nav Frequency Listening to the Nav Audio Channel 01-36OBS Mode 14 CDI DisplayDistance/Speed/Time DST Display 15 DST Data DisplayThis page intentionally left blank Functions Functions DescriptionTurn the Small knob to select an Entry Com FrequenciesRecent Com Frequencies Com User Frequencies Press the CLR key to delete this User frequencyEditing a Com User Frequency Frequencies. Press ENTCom Database Frequencies Com Database FrequenciesCom Nearest Airports APT Nearest APT function. Then, press ENTCom Nearest Area Control Center ACC Frequencies Turn Small Knob To Scroll Through Available FrequenciesCom Nearest Flight Service Station FSS Frequencies 13 Com Nearest FSS FrequenciesCom Nearest Weather WX Frequencies 14 Com Nearest Weather FrequenciesNav Frequencies Recent Nav FrequenciesNav User Frequencies Press the ENT key to delete the displayed frequencyEditing a Nav User Frequency Nav Database Frequencies 21 Nav Database FrequenciesWhen duplicate identifiers are found, press ENT Nav Nearest VORICS Configuration Adjust IntercomTurn the Small knob to display the available VORs Functions displayAux Audio Turn the Small knob to turn the Aux Audio On or OffIntercom On/Off Speaker On/OffIntercom On/Off function. Then, press the ENT key Speaker On/Off function. Then, press ENTSystem Configuration Com SpacingDisplay Brightness 34 Set Display BrightnessDisplay Contrast Database InfoDisplay Contrast function. Then, press the ENT key Database Version function. Then, press the ENT keyLoad Database Load Database function. Then, press the ENT keySoftware Version Serial NumberSoftware Version function. Then, press the ENT key Press the Func key to return to the main menuTo select a starting timer value TimersSetting Up the Count Down Timer Setting Up the Count Up Timer Viewing Timers in the Com DisplayPressing 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 Troubleshooting AppendixIt can be enabled Or disabled via a Remote mountedIf in Lock Out mode Calibration error Recalibrate resolverUpdating the Frequency Database Messages Power has been Re-apply power to the unit Switch has beenVerify glideslope deviation Property withAll installations InstallationsRemote com Been in pressedProperty with System Nav radio is Contact dealer for serviceNot communicating This page intentionally left blank Index Remote frequency control 2-5 Reverse look-up 2-4 Revisions