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Chapter 3: Calibration
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Note: If you press ALIGN TO COG when the SOG is less than 3 knots you
will see the warning message: SOG TOO LOW. CANNOT ALIGN TO COG.
Increase the boat's speed then press ALIGN TO COG again.
3. Because many factors (such as tides and leeway affecting the boat)
can make the actual heading differ from COG, you may then need to
fine-tune the heading alignment (see below).
Fine-tune the alignment
1. Use the ADJUST HEADING soft keys to adjust the displayed heading so
it matches the boat's steering compass or a known transit bearing.
Pathfinder Plus
HEADING
2. Save the aligned heading by pressing the ENTER or CLEAR key to
return to the COMPASS SETUP menu.
Note: If you do not want to save the new aligned heading, press CANCEL
ALIGNMENT to return to the COMPASS SETUP menu and restore the
previous heading value.
3. Then press ENTER or CLEAR key twice to return to normal operation.
press the ALIGN TO COG soft key: the HEADING value will then be
aligned to the COG (course over ground) heading received from
the GPS and you will see the following pop-up message
HEADING ALIGNED TO COG.
USE ADJUST HEADING KEYS
TO FINE TUNE HEADING
expect some difference between COG and the heading when the
boat turns
ADJUST
HEADING
Heading on
Steering compass
155°M
D5959-1
ALIGN
CANCEL
TO COG
ALIGNMENT
Known
heading
23
D5958-1
D5960-1
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