Garmin 225B, 225A manual Power On, Com Radio, Selecting a Com Frequency, Selected Frequency

Page 13

2 BASIC OPERATION

2.1Power On

Turn the GTR 225 on by either turning the Power/Com Volume/ Squelch knob clockwise to turn the power on or, if installed, turning on the master switch that powers the radios.

2.2Com Radio

2.2.1Selecting a Com Frequency

New frequencies are first selected as a Standby frequency and then toggled to the Active side with the FLIP/FLOP key. While viewing the Standby frequency display, use the LARGE and SMALL knobs on the right side of the GTR 225 to select the desired frequency.

1.Press COM, if necessary, to reach the Com radio function. The COM annunciator on the top line of the display will show.

2.Turn the LARGE knob to change the values in one MHz increments. The MHz selection range is between 118 and 136 in one MHz steps.

3.Turn the SMALL knob to change the values in 25 kHz or 8.33 kHz increments. The kHz selection range is between 000 and 975 kHz in 25 kHz steps or 000 and 990 kHz in 8.33 kHz steps.

4.Turn the LARGE and SMALL knobs clockwise to increase and counterclockwise to decrease the frequency values. Standby frequency selection is not inhibited during transmit.

5.When connected to a position source, nearby station identifiers will be shown for the selected frequency. Frequencies with multiple types will have an asterisk next to the identifier.

Identifier and Type Shown For

The Selected Frequency

Asterisk Indicates Multiple Types Exist For The Selected Frequency

Figure 2-1 Com Frequency Selection

6.Press and release the FLIP/FLOP key to toggle the Standby frequency to the Active frequency.

190-01182-00 Rev. A

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

2-1

Image 13

Contents GTR 225/225A/225B November Limited Warranty Garmin GTR 225/225A/225B Pilot’s Guide Operation US Toll Free Canada Toll Free Product Registration and SupportContents Index Index-1 Photo Sensor Product DescriptionPilot Controls Power/Com Volume/Squelch KnobFLIP/FLOP Key Tuning LARGE/SMALL Concentric Cursor KnobsCom Key MEM KeyFunc Function Key USB PortMON Monitor Key Com Radio Power OnSelecting a Com Frequency Selected FrequencySaving a Com Channel Monitoring the Standby Com ChannelAfter selecting the desired characters, press ENT Monitor Annunciation Standby Frequency Being MonitoredSelected Wpt Type After making a selection, press ENTEmergency Channel Com Database Look-UpActive and Standby frequencies Frequency Database Reverse Look-Up Stuck MicRemote Frequency Selection Control Airport Identifier Shown For Freqs In DatabaseThis page intentionally left blank Functions Description SYS Config Com SpacingCom Frequencies Press the Func key to access the FunctionsRecent Com Frequencies Press the CLR key to delete this User frequency Com User FrequenciesSelected Frequency Select Wpt Name Select Wpt Type Press ENT Key To Delete Selected FreqSelect User Freqs Frequencies. Press ENTSelect User Freq Value Select User Wpt NamePress ENT Key To Set Selected Freq As Standby Com Database FrequenciesIdentifier Selected Freq As ActiveCom Nearest Area Control Center ACC Frequencies Com Nearest Airports APTTurn the Small knob to display the available ACCs Turn Small Knob To Scroll Through Available Airports13 Com Nearest FSS Frequencies Com Nearest Flight Service Station FSS Frequencies14 Com Nearest Weather Frequencies Com Nearest Weather WX FrequenciesAdjust Intercom ICS ConfigurationTurn 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 ConfigurationTurn the Small Knob to Select the Channel Spacing Brightness Display BrightnessSelect the Offset Value Database 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 DatabaseUSB Port USB Cable USB Memory Device Serial Number Software VersionPress the Func key to return to the main menu Serial Number function. Then, press ENTSetting Up the Count Down Timer TimersViewing 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 Timer36 Count Down Timer Value Now Counting Up Count Down Timer Value Highlighted When Counting UpThis page intentionally left blank Appendix TroubleshootingOr disabled via a Remote mounted It can be enabledIf in Lock Out mode Check Mic key inputUpdating the Frequency Database Messages Switch has been Power has been Re-apply power to the unitAll installations Radio will no longer TransmitThis input will now InstallationsIndex Stuck mic 2-5 Support