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6. Press once again. The values you
set are now entered into memory and the
main menu will be displayed.
Checking
GPS Signal
Strength
The unit shows the GPS signal strength
screen in the Navigation function.
While the Precedus acquires signal information from
satellites, the bars representing signal strength show grey in
color. This process takes place quickly. When the unit has
acquired a signal and begins tracking a satellite, the bar will
change to black.
The GPS signal strength screen is located in the Navigation
function. Make it a habit to check this screen to make sure
that the unit is properly tracking visible satellites before you
fly.
In this example, the GPS Status screen
shows that eight satellites are available,
seven satellites are being tracked, and
five signals (dark boxes) are acquired
and usable for navigation. The Precedus
requires signals from at least four
satellites to calculate a 3D position fix
(Lat/Lon and GPS altitude).