Simrad GC80/GC85 Expanded Gyro Compass
28 20221529 / C
2 If the tilt angle is incorrect, weight disks must be adjusted
by moving weights from one side to the other. After
adjustments, wait for 2 minutes before the tilt angle
verification is repeated.
Caution The sensitive element must have equal number of weight disks
on both weight points on the tilting side (north and south
side)!
3 Carefully rotate the Horizontal ring at least one complete
rotation. Verify that all movable parts will rotate without
making any contact with mechanical or electrical
components.
Parameter updates
When a sensitive element is replaced, parameters for the new
element have to be loaded into the GC80 Control unit before the
gyro compass is started. 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 buttons simultaneously for at
least 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 labelling
for 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 1.6.t,
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.
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