90 ST4000 Plus Wheel & Tiller Autopilots Owner’s Handbook
D3451-1
5. Keeping the boat speed below 2 knots, turn your vessel in slow
circles. It should take at least 3 minutes to complete 360∞.
What if I t urn t he boat t oo quickly?
If you turn the boat too quickly for the compass to be corrected
correctly, the text TOO FA ST will be displayed. Apply less helm to
turn in a larger circle.
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TOO FAST
Ca n I ca nce l t he pr o ce ss?
You can abort the correction process by pressing the disp key to
move on to the Deviation screen.
If you wish to attempt deviation correction again, you can step back
to the Swing Compass page or keep pressing disp to cycle through