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4.2
Selecting active compass
GYRO
ACK
EXT
ENT
+
WARNING
4.3
Adjusting dimming level
DIM
21
If an external heading sensor is connected to the GC80/85, it is possible to
toggle between Gyro and external heading sensor as active steering
sensor.
The Gyro system will normally be used with the Gyro compass selected as
active compass. An external heading sensor should only be used as active
compass when the Gyro compass is not working properly.
By pressing the GYRO or the EXT and the ACK/ENT buttons
simultaneously, the GC80/85 will toggle between using the Gyro compass
or an external sensor as active sensor.
When the active sensor is changed, an audible alarm will sound 3 times.
Active compass is identified with light in the button's indicator lamp, and
with active compass type in the LCD as shown in the figures below.
GYRO
EXT
GYRO COMPASS SELECTED AS
ACTIVE STEERING SENSOR
Changing active compass may result in large change of
true bearing. No changes should therefore be made when
the system is operating.
The display illumination and the light intensity in the indicator lamps can
be increased or decreased in 5 steps by pressing the ARROW buttons.
When the illumination is set to the lowest level, a faint light is still present
in the display, Alarm indicator, status lamp and POWER button.
Panel lamps and display segments may be tested by pressing both ARROW
buttons simultaneously. All lamps and display segments will be lit, and a
short audible alarm will be activated.
OPERATION
GYRO
MAG
EXT
EXTERNAL HEADING SENSOR
SELECTED AS
ACTIVE STEERING SENSOR
988-12718-003
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