16-10Garmin GTN 725/750 Pilot’s Guide 190-01007-03 Rev. DForewordGettingStartedAudio &Xpdr CtrlCom/NavFPLDirect-ToProcChartsWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndexIf the GTN has not been operated for a period of six months or more,acquiring satellite data to establish almanac and satellite orbit information cantake 5 to 10 minutes.The Time and other data may not be displayed until the unit has acquiredenough satellites for a fix.16.2.2 Satellite-Based Augmentation System (SBAS)SBAS is a system that supports wide area, or regional, augmentation throughthe use of additional satellite broadcast messages. WAAS, EGNOS, and MSASare known SBAS providers.At the time of printing, SBAS providers support the following areas:• WAAS provides SBAS service for Alaska, Canada, the 48 contiguousstates, and most of Central America.• EGNOS provides SBAS service for most of Europe and parts of NorthAfrica.• MSAS provides SBAS service for Japan only.1. While viewing the System page, touch GPS Status.2. If desired, touch the SBAS key to select an SBAS provider. TheSBAS list is based on the Aviation database.3. Touch the key for the desired SBAS provider.Figure 16-6 SBAS Selection Page4. Touch the Back key to return to the System Status page.
