Garmin 255A manual Listening to the Nav Audio Channel, 01-36

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5.Turn the LARGE knob to select the waypoint Type.

6.Turn the SMALL knob to select characters.

7.Turn the LARGE knob to move the cursor.

Figure 2-12 Nav User Frequency Type Selection

8. After selecting the desired characters, press ENT.

Frequency Type Symbol

Description

VOR		Very High Frequency Omni-Directional Range
DME		Distance Measuring Equipment
LOC		Localizer

ILS		Instrument Landing System
01-36		Runway Heading
Blank		None
	Table 2-2 - Nav Frequency Type List

2.3.3Listening to the Nav Audio Channel

Nav ident is enabled by pressing the Nav Volume knob when the Nav display is active. When Nav ident is enabled, the ID annunciation will appear to the left of the active Nav frequency.

Figure 2-13 Listening to the ID for a Nav Frequency

Nav audio volume is adjusted using the Nav Volume knob. Turn the Nav Volume knob clockwise to increase volume, or counterclockwise to decrease volume.

190-01182-01 Rev. A

Garmin GNC 255A/255B Pilot’s Guide

2-7

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Contents GNC 255A/255B November Limited Warranty 190-01182-01 Rev. a Iii Operation US Toll Free Canada Toll Free Product Registration and SupportRecord of Revisions Contents 2.3 2.12.2 Index Index-1 This page intentionally left blank Product Description Getting StartedPilot Controls Power/Com Volume/Squelch KnobNav Volume/ID Knob OBS Key Tuning LARGE/SMALL Concentric Cursor KnobsFLIP/FLOP Key 5 C/N Com/Nav 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 After making a selection, press ENT DescriptionFrequency Database Reverse Look-Up Com Database Look-UpRemote Frequency Selection Control Emergency ChannelStuck Mic Saving a Nav Channel Nav RadioSelecting a Nav Frequency 01-36 Listening to the Nav Audio Channel14 CDI Display OBS Mode15 DST Data Display Distance/Speed/Time DST DisplayThis page intentionally left blank Functions Description FunctionsTurn the Small knob to select an Entry Com FrequenciesRecent Com Frequencies Press the CLR key to delete this User frequency Com User FrequenciesFrequencies. Press ENT Editing a Com User FrequencyCom Database Frequencies Com Database FrequenciesNearest APT function. Then, press ENT Com Nearest Airports APTTurn Small Knob To Scroll Through Available Frequencies Com Nearest Area Control Center ACC Frequencies13 Com Nearest FSS Frequencies Com Nearest Flight Service Station FSS Frequencies14 Com Nearest Weather Frequencies Com Nearest Weather WX FrequenciesRecent Nav Frequencies Nav FrequenciesPress the ENT key to delete the displayed frequency Nav User FrequenciesEditing a Nav User Frequency 21 Nav Database Frequencies Nav Database FrequenciesNav Nearest VOR When duplicate identifiers are found, press ENTFunctions display ICS ConfigurationAdjust Intercom Turn the Small knob to display the available VORsTurn the Small knob to turn the Aux Audio On or Off Aux AudioSpeaker On/Off function. Then, press ENT Intercom On/OffSpeaker On/Off Intercom On/Off function. Then, press the ENT keyCom Spacing System Configuration34 Set Display Brightness Display BrightnessDatabase Version function. Then, press the ENT key Display ContrastDatabase Info Display Contrast function. Then, press the ENT keyLoad Database function. Then, press the ENT key Load DatabasePress the Func key to return to the main menu Software VersionSerial Number Software Version function. Then, press the ENT keyTo select a starting timer value TimersSetting Up the Count Down Timer Pressing ENT twice will stop the displayed Timer Setting Up the Count Up TimerViewing Timers in the Com Display Pressing CLR and then ENT will reset the displayed Timer48 Count Down Timer Value Now Counting Up This page intentionally left blank Appendix TroubleshootingCalibration error Recalibrate resolver It can be enabledOr disabled via a Remote mounted If in Lock Out modeUpdating the Frequency Database Messages Property with Power has been Re-apply power to the unitSwitch has been Verify glideslope deviationBeen in pressed All installationsInstallations Remote comProperty 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