Evinrude Johnson SystemCheck Commander, Owner'S Manual

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feet (FT),
meters (m),
and fathoms (FA).
Loss of Signal
When the Commander™ looses signal
from
the transducer, the LCD display will flash
the following;
Calibration
Speedometer / Distance Traveled
Calibration is done in the Trip Log
“settings menu”.
(See Figure 2)
Calibrate
Press the “Mode” button to display the
Trip Log.
Quickly press the “Mode” button three (3)
times to select and enter the Calibrate
“settings menu”.
There are two methods of calibration;
1) A GPS or radar gun can be used to
obtain a fixed speed. While holding the
boat at the selected speed press the
“Up” or “Down” buttons to adjust the
speedometer pointer reading to match the
GPS or radar gun indicated speed.
2) The Trip Log can be set to zero and
then a course of known distance run, such
as between two buoys or by using a GPS.
At the end of the run access the
Calibration menu item.
Press the “Up” or “Down” buttons to
adjust the recorded Trip Log distance to
match the known distance. This will
calibrate both Trip Log and the
Speedometer.
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