Garmin GNC 420 Pilot's Manual Addendum page 3

CDI SCALE CHANGE
SATELLITE STATUS PAGE
Excluded Satellite (checked pattern)
Oceanic Mode Annunciation (OCN)
NAV Terms
MAP
APPROACH
0.3 nm
FAF
2 nm
1 nm
TERMINAL
1 nm
ENROUTE/OCEANIC
1 minute
30 nm
5 nm
Figure 2. CDI Scale Transition
Figure 3. Satellite Status Page
Horizontal Uncertainty Level