Checking Gps Signal Strength - Garmin Apollo SL50 User Manual

The unit shows the GPS signal strength screen in
Checking
GPS Signal
the GPS Sensor function. Make it a habit to check
Strength
this screen to make sure that the unit is properly
tracking visible satellites before you fly. The Apollo
SL50/60 requires signals from at least four satellites
to calculate a 3D position fix (Lat/Lon and GPS
altitude). More details are available in the GPS
Sensor part of the System section of this manual,
see page 80.
1. Press SYS and turn the Large knob to display the
SYS
ENT
2. The GPS Health page is shown if GPS
3. Turn the Small knob to view the GPS Satellites
4. Turn the Small knob again to view the GPS
GPS Sensor function. Press ENT.
GPS Sensor:
information is received. The GPS number and
dimension (2D, 3D, or no position), number of
healthy, and number of visible satellites are
shown.
GPS 3D Pos Healthy: 25 Vis: 8 Y
Used for Position fixes page.
GPS SVs: 31,27,26,19,07,02
Satellite Status, Elevation, SNR, and Azimuth
page. Turn the Small knob to view information
about each available satellite.
SV31 DATA el:210 sig:055 az:0430
Getting Started the First Time
Press ENT
13