Chapter 2: Commissioning 25
Calibrating the compass
Note:
This section does not apply if you have connected an NMEA compass to your Smart
Pilot . Refer to the handbook supplied with the NMEA compass for information about cali
bration.
Deviating magnetic fields ca n cause significant compass errors on y our boat. T he
correcti on procedure reduces these errors to a few degrees , so you
MUST
perform th is procedure as the first item in y our initial seatrial. T he SmartPilot wil l
then aut omatically correct the compass.
CAUTION:
F ailure t o complete the deviation correction will impair your
Smar tPilot’ s performance on some compass headings.
T he deviation correctio n procedure (commonly called “swinging the compass”)
involves turni ng your boat in slow circles so the SmartPilot can determine the
deviation and calculate any correction required. Y ou must carry out this procedure
in calm conditio ns and preferably on flat w ater .
Initial procedure
Automat ic compass deviation correction
1. With the pilot in Standby mode , enter Seatrial Calibr ation as follows (see the
followin g illustratio n):
• press and h old
standby
for two second s to enter Calibratio n mode
• when you see the
DISPLAY CAL
screen, press
disp
until you see the
SEATRIAL CAL
screen
• press
auto
to enter Seatrial Calibrat ion
Note:
If yo u cannot access Seatrial Calibratio n, you need to disab le the calibrat ion lock.
This can be found in Dealer Calibrati on (see page 43).
2. The first pag e in Seatrial Calibration should be the
SWING COMPASS
page . If this is not the case , use the
disp
key to page thro ugh the Seatrial Ca l
ibratio n items until you see
SWING COMPASS
2 sec
x2
D6318-2
81282_1.book Page 25 Monday, October 2, 2006 1:58 PM
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