Retevis RM40 - Compass Interface; GPS Status Interface

Satellite A
Elevation angle 0 degree line
Elevation angle 30 degree line
Elevation angle 60 degree line
Elevation angle 90 degree line
(Zenith)
Untrack Satellite
Track Satellite
N
W
E
S
Satellite
Elevation angle 90 degree line (Zenith)
Elevation angle 60 degree line
Elevation angle 30 degree line
Elevation angle 0 degree line