Simrad GC80 Dual MK2 User Manual page 77

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GYRO
GYRO
63
6
The indicated start bearing is accepted by pressing the ACK/ENT
button, or increased/decreased by using the ARROW buttons and
then pressing the ACK/ENT button. If no action is taken within 3
minutes, the start-up process will continue with the indicated start
bearing.
The bearing indication stops flashing when the start bearing is
accepted, while the lamp and S.S.G. (mode) remain flashing.
The rotor starts spinning, and reaches full speed after maximum 30
minutes.
7
When the rotor has reached full speed, the compass starts the north
seeking function. The display will now change to show the compass'
actual heading, and from now on bearing output will be available.
The lamp next to the GYRO button changes from flashing to steady
light, but the S.S.G. (mode) continues to flash for 3 hours.
The GC80/85 will be settled within 3 hours when started with a deviation
angle less than 5°. With a larger deviation angle, the compass will be
settled within 4 hours.
Configuring the Sensitive elements
Each Sensitive element is tuned to its Master compass before it is shipped
from the factory. This tuning is reflected in a set of parameters specific for
this Gyro compass. These parameters are included in the Sensitive
element's packaging, and they have to be entered into the Control unit as
part of the Gyro compass' installation procedure.
Parameters used for time settings should also be entered. These
parameters are essential when monitoring the occurrence of alarms.
The parameters are loaded into the Control unit from the Extension menu
as described below:
1
Access 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 access 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 value in the table included with
the 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.
INSTALLATION
988-12720-002

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