Garmin 255A manual Com Nearest Area Control Center ACC Frequencies

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3.2.5Com Nearest Area Control Center (ACC) Frequencies

The GNC 255, when interfaced with an appropriate GPS receiver, will report the 25 nearest Area Control Center (ACC) frequencies. ACCs are also known as Air Route Traffic Control Centers (ARTCC).

Turn SMALL Knob

To Scroll Through

Available Frequencies

Figure 3-12 Com Nearest ACC Frequencies

1.Press FUNC to access the Functions. With the Com Frequency Function highlighted, turn the SMALL knob to view the Com

Nearest ACC function. Then, press ENT.

2. Turn the SMALL knob to display the available ACCs.

3.Press the ENT key to insert the highlighted frequency as the Standby frequency. Or, press the CLR key to return to the

Functions display.

4.Press and release the FLIP/FLOP key to set the selected frequency as the Active frequency.

190-01182-01 Rev. A

Garmin GNC 255A/255B Pilot’s Guide

3-7

Image 33

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 2.1 2.22.3 Index Index-1 This page intentionally left blank Product Description Getting StartedPower/Com Volume/Squelch Knob Nav Volume/ID KnobPilot Controls FLIP/FLOP Key Tuning LARGE/SMALL Concentric Cursor Knobs5 C/N Com/Nav 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 After making a selection, press ENT DescriptionFrequency Database Reverse Look-Up Com Database Look-UpEmergency Channel Stuck MicRemote Frequency Selection Control Nav Radio Selecting a Nav FrequencySaving a Nav Channel 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 FunctionsCom Frequencies Recent Com FrequenciesTurn the Small knob to select an Entry 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 ENTAdjust Intercom ICS ConfigurationTurn the Small knob to display the available VORs Functions displayTurn 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 Configuration34 Set Display Brightness Display BrightnessDatabase 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 DatabaseSerial Number Software VersionSoftware Version function. Then, press the ENT key Press the Func key to return to the main menuTimers Setting Up the Count Down TimerTo select a starting timer value Viewing 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 Timer48 Count Down Timer Value Now Counting Up This page intentionally left blank Appendix TroubleshootingOr disabled via a Remote mounted It can be enabledIf in Lock Out mode Calibration error Recalibrate resolverUpdating the Frequency Database Messages Switch has been Power has been Re-apply power to the unitVerify glideslope deviation Property withInstallations All installationsRemote com 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