C0, Return [Ret]; C1, Magnetic Heading [Mag]; C2, Local Magnetic Variation [Var]; C3, Auto-Deviation [Auto Dev] - Nexus AUTOPILOT Installation And Operation Manual

repeated. So if you have packed your boat for the vacation, think about
where you place ferrous items in relation to the compass transducer.

5.5.1 C0, Return [RET]

To return to previous mode, press KEY when the text [RET] is dis-
played.

5.5.2 C1, Magnetic heading [MAG]

Possible settings are [OFF] and [On]. Default setting is [OFF].
[On] = All headings will be magnetic.
[OFF] = All headings will be true, i.e. corrected for local variation set in
C2, Local variation [VAR]. This is local setting.

5.5.3 C2, Local magnetic variation [VAR]

Possible settings are [+/-00.0°-99.9°]. Default setting is [00.0 ]
Easterly variation = underlining ( _ ) sign.
Westerly variation = minus ( - ) sign.
The local magnetic variation is usually printed in the sea chart.

5.5.4 C3, Auto-deviation [Auto DEV]

This function is used to automatically correct the deviation of your
compass.
Take the boat into a slow turn, in calm sea and away from other boats
or obstructions. There is no need to perform a perfect circle.
When steady, select C3 [Auto DEV] and press KEY to start. The pres-
ent "uncorrected" compass heading is displayed and the compass auto-
deviation is in progress. Turn the boat in a 1 ¼ circle, and when ready
press KEY again.
If successful, the text [CAL C3] [Auto DEV] will be displayed.
If not, an error messages can be displayed:
[Err 15]: Make sure an Autopilot function is not activated and carry
out the auto-deviation procedure again.
[Err 16]: Auto-Deviation is not possible, because a NMEA compass
is selected as compass for the Nexus Network.
[Err 17]: The 1 ¼ turn was not performed or the compass is affected
by strong magnetic distortion.
You may interrupt the auto-deviation procedure at any time by pressing
LEFT and RIGHT together.
To check the auto-deviation, carry out the auto-deviation check routine.
SETUP
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