1-11190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s GuideForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafficTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndexSet User FieldsSet Alert Values Set SystemUnits ofMeasurementSelect BacklightSettingSelect AudioSettingsView SystemStatus Values andSW VersionsGPS Status Page &SBAS ProvidersInformation onExternal LRUsSelect SystemSetup ValuesSelectConnext SetupFigure 1-18 System Page1.5.2.1 System Setup Values1. From the Home page, touch System and then Setup.Set Date/Time with Local Offset & Time FormatSet Nearest Airport RunwaySurface & Min Runway LengthSelect CrossfillSelect Com Channel SpacingSelect CDI and ILS CDI CaptureFigure 1-19 System Setup Page2. Touch the Date/Time key. Then, select the desired Time Formatand Local Offset by touching the Time Format (12 Hour, 24Hour, and/or UTC) keys and selecting the appropriate LocalTime Offset after touching the Local Offset key.3. Touch the Com Channel Spacing key to toggle between8.33 and 25.0 kHz channel spacing.