Garmin GI 275 Pilot's Manual page 136

Navigation
Complete Loss of GPS
If a complete loss of GPS occurs, the ownship icon is removed and the 'No GPS POS'
annunciation will be displayed in amber on the moving map. TAWS/terrain and SVT features
will be lost, and the CDI will be removed.
Complete Loss of GPS - 'No GPS POS' annunciation on 'HSI Map' Page
114
Garmin GI 275 Pilot's Guide 190-02246-01 Rev. A