In the Main Menu press, or
to highlight “DISPLAY UNITS” and
press . Press or to
select the Distance unit type.
Press the button to highlight the
Altitude value and then press or
to select the desired type.
Press the button to highlight
Lat/Lon and then press or to
select the desired type.
Press the button to highlight Mag
Var and then press or to
select Automatic, Manual, or True
North. If you selected Manual, press the
button to highlight the degrees
value. Press or to set the
degrees and direction value.
To disable magnetic variation, select “TRUE.” All course
headings will be referenced to true north.
Note
The Precedus automatically sets magnetic
variation to 0 degrees when you fly above 70
degrees north or south latitude. It is not
necessary to disable automatic magnetic
variation as you travel north or south to high
latitude regions.
