16-10
GTN 725/750 Pilot’s Guide
190-01007-03 Rev. C
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
If the GTN has not been operated for a period of six months or more,
acquiring satellite data to establish almanac and satellite orbit information can
take 5 to 10 minutes.
The Time and other data may not be displayed until the unit has acquired
enough satellites for a fix.
16.2.2 Satellite-Based Augmentation System (SBAS)
SBAS is a system that supports wide area, or regional, augmentation through
the use of additional satellite broadcast messages. WAAS, EGNOS, and MSAS
are known SBAS providers.
At the time of printing, SBAS providers support the following areas:
• WAAS provides SBAS service for Alaska, Canada, the 48 contiguous
states, and most of Central America.
• EGNOS providesSBAS service for most of Europe and parts of North
Africa.
• MSASprovidesSBASserviceforJapanonly.
1. While viewing the System page, touch GPS Status.
2. If desired, touch the SBAS key to select an SBAS provider. The
SBAS list is based on the Aviation database.
3. Touch the key for the desired SBAS provider.
Figure 16-6 SBAS Selection Page
4. Touch the Back key to return to the System Status page.
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