xxiiGarmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. KForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex15.2.2 Satellite-Based Augmentation System (SBAS) ..................... 15-1815.2.3 Circle of Uncertainty .......................................................... 15-1915.3 External LRUs .................................................................................. 15-1915.3.1 GDL 69 (and GDL 69A) Status ........................................... 15-2015.3.2 GDL 88 or GTX 345 Status ................................................ 15-2115.3.3 GSR 56 Status ................................................................... 15-2315.4 Setup............................................................................................... 15-2415.4.1 CDI Scale Selection ............................................................ 15-2515.4.2 Date/Time ......................................................................... 15-2715.4.3 Nearest Airport Criteria ...................................................... 15-2815.4.4 Com/Nav Setup ................................................................. 15-2915.4.4.1 Com Channel Spacing ....................................................... 15-2915.4.4.2 Reverse Frequency Lookup ................................................. 15-3015.4.5 Crossfill ............................................................................. 15-3115.4.5.1 GTN-to-GTN Crossfilling .................................................... 15-3115.4.5.2 GTN-GNS Crossfilling ........................................................ 15-3315.5 Alerts Settings ................................................................................. 15-3415.5.1 Arrival ............................................................................... 15-3415.5.2 Proximity ........................................................................... 15-3415.5.3 Airspace Alert Options ....................................................... 15-3515.6 User Fields ....................................................................................... 15-3615.7 Units Settings .................................................................................. 15-3915.7.1 Setup Units ....................................................................... 15-3915.7.2 Setting a User-Configured (Manual) Nav Angle .................. 15-4015.7.3 Position Format Selection ................................................... 15-4115.8 Audio .............................................................................................. 15-4315.9 Backlight Settings ............................................................................ 15-4415.10 Connext Setup - GSR 56 .................................................................. 15-4515.11 Connext Setup - Flight Stream 210 ................................................... 15-4515.11.1 Operation .......................................................................... 15-4615.11.2 Pairing a Device................................................................. 15-4715.12 Connext Setup - Other Bluetooth Devices ......................................... 15-4816 Messages ...........................................................................................16-117 Symbols..............................................................................................17-117.1 Map Page Symbols............................................................................. 17-117.2 SafeTaxi™ Symbols .......................................................................... 17-217.3 Traffic Symbols ................................................................................... 17-2