Garmin 255A manual November

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© 2012 Garmin Ltd. or its subsidiaries. All rights reserved.

This manual reflects the operation of System Software version 2.00, or later. Some differences in operation may be observed when comparing the information in this manual to later software versions.

Garmin International, Inc., 1200 East 151st Street, Olathe, KS 66062, U.S.A.

Tel: 913/397.8200	Fax: 913/397.8282
Garmin AT, Inc., 2345 Turner Road SE, Salem, OR 97302, U.S.A.
Tel: 503/391.3411	Fax 503/364.2138
Garmin (Europe) Ltd., Liberty House, Bulls Copse Road, Hounsdown Business Park, Southampton,
SO40 9RB, U.K.
Tel. +44 (0) 870 850 1243	Fax +44 (0) 238 052 4004

Garmin Corporation, No. 68, Zhangshu 2nd Road, Xizhi Dist., New Taipei City 221, Taiwan (R.O.C.)

Tel: 886/02.2642.9199	Fax: 886/02.2642.9099
Garmin Singapore Pte. Ltd., 46 East Coast Road, #05-06 Eastgate, Singapore 428766
Tel : (65) 63480378	Fax : ( 65 ) 63480278

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Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without the express written permission of Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed for personal use, provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.

This part shall comply with Garmin Banned and Restricted Substances document, 001-00211-00.

Garmin® is a registered trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express permission of Garmin.

November 2012

Printed in the U.S.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 5 C/N Com/Nav Key Tuning LARGE/SMALL Concentric Cursor KnobsFLIP/FLOP 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 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 menuTo select a starting timer value TimersSetting Up the Count Down Timer 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 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