Owners manual

4.4 Compass Calibration and Alignment

To ensure that inaccuracies caused by metallic and magnetic objects on

the boat are kept to a minimum is necessary to calibrate the compass.

A deviation caused by surrounding objects will be compensated for and

the compass reading may be set to the correct heading.

Press and hold the button for 2 seconds to enter Setup

Press the button repeatedly to scroll to the SETUP COMPAS

Chapter

To Complete a deviation correction turn:

Press the button to advance to the Deviation Page

Press the button to enter Compass Calibration Mode

Turn the vessel slowly keeping the speed below 4 knots and

taking approximately 2 minutes to complete 360 degrees.

Keep turning the vessel until the display changes to show a

value (usually about 1.25 turns)

If the rate of turn of the vessel is too fast the display will show

“TURN HIGH”. It is not necessary to abandon the turn at this stage

but do lessen the rate of turn by reducing speed or widening the

turning circle.

Continue to align the heading

Steer the vessel on a known heading.

only use the main steering compass as a known heading if you are

certain it has been checked and compensated.

Press the button twice to display the Heading page

Press the button to enter Edit Mode

Press the and buttons to change to the known

value. The lower digits will display the offset entered.

Press the button to exit Edit Mode

Press and hold the button to exit Setup and return to

normal operation.

mn100 Dual Digital Display