Initial Sea Trial; Calibrating The Compass - Raymarine ST1000+ Owner's Handbook Manual

Chapter 5: Commissioning the Tiller Pilot
3. The tiller pilot should immediately respond by switching off its display illumi-
nation. If the illumination does not switch off, there is a cabling fault between
the tiller pilot and the instruments or control unit.

5.2 Initial sea trial

CAUTION:
Failure to carry out the sea trial may result in impaired autopilot
performance on some compass headings.
When you have checked that the system is operating correctly, you must complete
a short sea trial to calibrate the compass.
The tiller pilot has a built-in calibration capability so you can fine-tune it to suit
your boat, its steering system and its dynamic steering characteristics.
As supplied from the factory, the autopilot is calibrated to provide safe, stable
control for most boats.
• Do not attempt to make any permanent changes to the recommended cali-
bration values until you have completed the sea trial.
• You must carry out the initial sea trial in conditions of light wind and calm
water – so you can assess the autopilot's performance without the influence
of strong winds or large waves.
Before starting the sea trial
Before carrying out the sea trial, you should:
• check the calibration settings and, if necessary, reset them to the default val-
ues (see
• check the installation to make sure that it is not affected by radio transmis-
sions, engine starting, etc.

Calibrating the compass

Automatic compass deviation correction
By completing the following compass correction procedure, the tiller pilot can
correct its own internal fluxgate compass for most deviating magnetic fields. You
should complete the Compass Deviation Correction at the beginning
of your sea trial.
To complete the compass correction:
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