MAINTENANCE
20221537 / D 37
7. Press the SET button again to return to main category A1,
and then press the DISP button to go to A2 main category.
8. Press the SET button, and enter values for 2.1.o and 2.3.h as
described above.
9. Press the SET button again to return to main category A2,
and then press the
DISP button until main category A7 is
displayed.
10. Press the
SET button, and enter the value for 7.3.u as
described above.
11. Exit the sub-category by pressing the SET button, and then
exit the Extension main category by pressing and holding the
SET and ACK/ENT buttons simultaneously for at appr. 3
seconds.
For more information about the Extension menu, see
ADVANCED SETTINGS, page 67 onwards.
Balancing the Horizontal ring
After the Sensitive element has been replaced, the gyro compass
should be started as described on page 12.
When the compass has been running continuously for at least 2
hours, the horizontal ring should be adjusted.
1. Locate the reference level tool on the horizontal ring, and
check that the level bubble is within +/-10 minutes from the
center. Each division equals 2 minutes.
2. If the level bubble not is within this limit, add or remove
weights from the horizontal ring until it is level.
Note! It is important that the total number of weights on the horizontal
ring are as few as possible.
3. Let the compass run for at least 20 minutes before the level
is rechecked and eventually confirmed.
WARNING If the horizontal ring is tilted more than +/-
10’, a bearing error may be generated!
+/-10 minutes
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