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Caution!
35
2
If the tilt angle is incorrect, weight disks must be adjusted by
moving weights from 1 side to the other. After adjustments, wait for
2 minutes for the oil to set before the tilt angle verification is
repeated.
The Sensitive element must have equal number of weight disks on both
weight points on the tilting side (north and south sides)!
3
Carefully rotate the Horizontal ring at least 1 complete rotation.
Verify that all movable parts will rotate without making mechanical
or electrical contact with any item or component.
Parameter updates
When a Sensitive element is replaced, parameters for the new element
have to be loaded into the GC80/85 Control unit before the Gyro compass
is turned ON. This is done from the Extension menu as described below.
1
Enter the Extension menu by pressing and holding the SET button
and the ACK/ENT button simultaneously for appr. 3 seconds.
Main category A-1 will be displayed.
-
2
Press the SET button to enter the sub-category loop. Sub-category
1.1.U and its parameter values will be displayed.
3
Use the ARROW buttons to increase or decrease the parameter
value until the value is according to the table supplied with the new
Sensitive element.
4
Confirm the entry by pressing the ACK/ENT button. The display will
return to sub-category 1.1.U, and the data will be transferred to the
Gyro immediately.
5
Press the DISP button again to select sub-category 1.2.F, and use
the ARROW buttons to increase or decrease the parameter value
until the value corresponds with the parameter for the new Sensitive
element. Confirm the entry by pressing the ACK/ENT button.
6
Repeat step 5 for sub-category 1.3.S, 1.4.u, 1.5.L and 1.6.t.
MAINTENANCE
988-12720-002
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