14-8 Garmin GTN 725/750 Pilot’s Guide 190-01007-03 Rev. BForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcChartsWpt InfoMapTrafficTerrainWeatherNearestMusicUtilitiesSystemMessagesSymbolsAppendixIndex14.3 GDL 69/69A Data Link ReceiverTroubleshootingSome quick troubleshooting steps listed below can be performed to find thepossible cause of a failure.• Ensure the owner/operator of the aircraft in which the Data Link Receiver isinstalled has subscribed to XM• Ensure the XM subscription has been activated• Perform a quick check of the circuit breakers to ensure that power is appliedto the Data Link ReceiverFor troubleshooting purposes, check the Menu on the Music Page or theGDL 69 Box on the System - External LRUs Page for Data Link Receiver(GDL 69/69A) status, serial number, and software version number.It may take several minutes for all subscribed data to become available afterpower-up.Text Color DescriptionWhite SubscribedGrey Not SubscribedGreen AvailableTable 14-1 Product Status1. Touch the Status key on the Music page to display theGDL 69/69A Status.WeatherProduct ListWeatherProduct LegendMusic MenuSubscriptionLevelAudio Radio ID& Signal LevelData Radio ID &Signal LevelGDL 69A SWVersion andSerial NumberFigure 14-9 GDL 69 Status Page