1-7
Variation and deviation are used to determine the True Magnetic
Heading and must be checked and updated by the user. . Variation
can be used from a RMC Telegram if available and configured in the
Distribution Unit, which has at least software version
138-118.P0005.E01.06.
The lower part of the display lists the connected sensors which are not selected
(Figure 1-2/12).
1.4.2
Heading Monitoring / Service
Heading Monitoring
Within the compass system, all connected heading sensors are compared with each other
in order to monitor and display the difference of a defined threshold.
If the sensor difference is greater than the user threshold value, an alert “Heading
Difference Gyro/Gyro (GPS)” or “Heading Difference Gyro (GPS)/Magnetic” is displayed
and has to be acknowledged, see chapter 4.2.
Figure 1-4
Heading Monitoring
Pos. No.
Designation
Function
1
Diff-G/M
Shows and enables the setting of the user threshold
value for the difference between gyro and magnetic.
2
Diff-G/G
Shows and enables the setting of the user threshold
value for the difference between gyro and gyro
(GPS).
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