Garmin 255A manual Operation

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NOTE: This device complies with Part 15 of the FCC limits for Class B digital devices. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. Furthermore, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful

interference, the user is encouraged to try to correct the interference by relocating the equipment or connecting the equipment to a different circuit than the affected equipment. Consult an authorized dealer or other qualified avionics technician for additional help if these

remedies do not correct the problem.

Operation of this device is subject to the following conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired

operation.

To obtain accessories for your unit, please

contact your Garmin dealer.

Help us better support you by completing our on-line registration form today! Registration ensures that you will be notified of product updates and new products and provides lost or stolen unit tracking. Please, have the serial

number of your unit handy, connect to our web site (www.garmin.com) and look for our Product Registration link on the Home page.

The display surface is coated with a special anti-reflective coating which is very sensitive to skin oils, waxes and abrasive cleaners. It is very important to clean the lens using an eyeglass lens cleaner which is specified as safe for anti- reflective coatings and a clean, lint-free cloth.

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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 2.1 2.22.3 Index Index-1 This page intentionally left blank Getting Started Product DescriptionPower/Com Volume/Squelch Knob Nav Volume/ID KnobPilot Controls 5 C/N Com/Nav Key Tuning LARGE/SMALL Concentric Cursor KnobsFLIP/FLOP Key OBS KeyUSB Port Func Function KeyMON Monitor Key Power On Com RadioSelecting a Com Frequency Monitoring the Standby Com Channel Saving a Com ChannelAfter selecting the desired characters, press ENT Description After making a selection, press ENTCom Database Look-Up Frequency Database Reverse Look-UpEmergency Channel Stuck MicRemote Frequency Selection Control Nav Radio Selecting a Nav FrequencySaving a Nav Channel 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 DescriptionCom Frequencies Recent Com FrequenciesTurn the Small knob to select an Entry 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 VORTurn the Small knob to display the available VORs ICS ConfigurationAdjust Intercom Functions displayAux Audio Turn the Small knob to turn the Aux Audio On or OffIntercom On/Off function. Then, press the ENT key Intercom On/OffSpeaker On/Off Speaker On/Off function. Then, press ENTSystem Configuration Com SpacingDisplay Brightness 34 Set Display BrightnessDisplay Contrast function. Then, press the ENT key Display ContrastDatabase Info Database Version function. Then, press the ENT keyLoad Database Load Database function. Then, press the ENT keySoftware Version function. Then, press the ENT key Software VersionSerial Number Press the Func key to return to the main menuTimers Setting Up the Count Down TimerTo select a starting timer value Pressing CLR and then ENT will reset the displayed Timer Setting Up the Count Up TimerViewing Timers in the Com Display Pressing ENT twice will stop the displayed Timer48 Count Down Timer Value Now Counting Up This page intentionally left blank Troubleshooting AppendixIf in Lock Out mode It can be enabledOr disabled via a Remote mounted Calibration error Recalibrate resolverUpdating the Frequency Database Messages Verify glideslope deviation Power has been Re-apply power to the unitSwitch has been Property withRemote com All installationsInstallations Been in pressedNav radio is Contact dealer for service Not communicatingProperty with System This page intentionally left blank Index Remote frequency control 2-5 Reverse look-up 2-4 Revisions