Garmin manual Garmin GTR 225/225A/225B Pilot’s Guide

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WARNING: For safety reasons, GTR 225 operational procedures must be learned on the ground.

CAUTION: The Garmin GTR 225 does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could void both the warranty and the pilot’s authority to operate this device under FAA/FCC regulations.

CAUTION: The GTR 225 display uses a lens coated with a special anti- reflective coating that is very sensitive to skin oils, waxes, and abrasive cleaners. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI- REFLECTIVE COATING. It is very important to clean the lens using a clean, lint-free cloth and an eyeglass lens cleaner that is specified as safe for anti-reflective coatings.

NOTE: Do not use outdated database information. Databases used in the system must be updated regularly in order to ensure that the information remains current. Pilots using an outdated database do so entirely at their own risk.

NOTE: Garmin recommends that if flying in a region with 8.33 kHz COM channel spacing, the radio should remain in 8.33 kHz mode.This will prevent the loss of stored user and recent frequencies.

NOTE: All visual depictions contained within this document, including screen images of the GTR 225 bezel and displays, are subject to change and may not reflect the most current GTR 225 software. Depictions of equipment may differ slightly from the actual equipment.

NOTE: This device complies with part 15 of the FCC Rules. Operation is

subject to the following two 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.

NOTE: This product, its packaging, and its components contain chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. This notice is being provided in accordance with California’s Proposition 65. If you have any questions or would like additional information, please refer to our web site at www.garmin.com/ prop65.

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Garmin GTR 225/225A/225B Pilot’s Guide

190-01182-00 Rev. A

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Contents GTR 225/225A/225B November Limited Warranty Garmin GTR 225/225A/225B Pilot’s Guide Operation Product Registration and Support US Toll Free Canada Toll FreeContents Index Index-1 Product Description Photo SensorPower/Com Volume/Squelch Knob Pilot ControlsTuning LARGE/SMALL Concentric Cursor Knobs FLIP/FLOP KeyCom Key MEM KeyFunc Function Key USB PortMON Monitor Key Power On Com RadioSelecting a Com Frequency Selected FrequencyMonitoring the Standby Com Channel Saving a Com ChannelAfter selecting the desired characters, press ENT Monitor Annunciation Standby Frequency Being MonitoredAfter making a selection, press ENT Selected Wpt TypeEmergency Channel Com Database Look-UpActive and Standby frequencies Stuck Mic Frequency Database Reverse Look-UpRemote Frequency Selection Control Airport Identifier Shown For Freqs In DatabaseThis page intentionally left blank SYS Config Com Spacing Functions DescriptionCom Frequencies Press the Func key to access the FunctionsRecent Com Frequencies Com User Frequencies Press the CLR key to delete this User frequencySelected Frequency Select Wpt Name Select Wpt Type Press ENT Key To Delete Selected FreqFrequencies. Press ENT Select User FreqsSelect User Freq Value Select User Wpt NameCom Database Frequencies Press ENT Key To Set Selected Freq As StandbyIdentifier Selected Freq As ActiveCom Nearest Airports APT Com Nearest Area Control Center ACC FrequenciesTurn the Small knob to display the available ACCs Turn Small Knob To Scroll Through Available AirportsCom Nearest Flight Service Station FSS Frequencies 13 Com Nearest FSS FrequenciesCom Nearest Weather WX Frequencies 14 Com Nearest Weather FrequenciesICS Configuration Adjust IntercomAux 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 ENTCom Spacing System ConfigurationTurn the Small Knob to Select the Channel Spacing Brightness Display BrightnessSelect the Offset Value Display Contrast Database InfoDisplay Contrast function. Then, press the ENT key Database Version function. Then, press the ENT keyLoad Database function. Then, press the ENT key Load DatabaseUSB Port USB Cable USB Memory Device Software Version Serial NumberPress the Func key to return to the main menu Serial Number function. Then, press ENTTimers Setting Up the Count Down TimerSetting 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 TimerCount Down Timer Value Highlighted When Counting Up 36 Count Down Timer Value Now Counting UpThis page intentionally left blank Troubleshooting AppendixIt can be enabled Or disabled via a Remote mountedIf in Lock Out mode Check Mic key inputUpdating the Frequency Database Messages Power has been Re-apply power to the unit Switch has beenAll installations Radio will no longer TransmitInstallations This input will nowIndex Stuck mic 2-5 Support