Simrad 000-15567-001, Instruction Manual

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Simrad GC80/GC85 Compact Gyro Compass
10
20221511 / D
3.1 System Start-up and Shut-down
A GC80/GC85 Compact gyro system is usually left with power
on. If the system has to be shut down and restarted, the
procedures in the following sections should be followed.
Start-Up
Caution
Before the gyrocompass is turned into normal operation, it has
to be configured according to the description in System start-
up and software configuration, page 49 onwards.
mltbo
Turn ON the gyro system by pressing the
POWER
button on the
Control panel. The following start-up sequence will be run:
1
Control unit type (GC80 Std, or GC85 HSc), SW version
for Control unit and for Master compass is displayed in
rapid succession. Examples of display text are shown
below:
OR
GC80 CONTROL
UNIT
STD VERSION
GC80 CONTROL
UNIT
HIGH SPEED
VERSION
SW VERSION
CONTROL UNIT
SW. VERSION
MASTER COMPASS
dvol
2
If the rotor was not completely stopped when the
POWER
button was pressed, a rotor break function will be activated
to stop the rotor.
Active rotor break is indicated with flashing display.
3
When the turning stops, the sensitive element starts rising
horizontally and the compass rotates 360° clockwise. The
display shows decreasing bearing as the compass is
turning.
dvol
4
When the compass has rotated 360°, start bearing is
indicated with flashing text in the display. The start
bearing will be the same as active bearing when the
compass was turned OFF.