Message explanations
A-10
385585/C
Block status is not available
Description:
This message shall not occur during normal operation, but is intended to be an aid
for the software engineer during configuration/commissioning.
Corrective
actions:
Should the message occur during normal operation, contact Kongsberg Maritime
service.
Block type is not available
Description:
This message shall not occur during normal operation, but is intended to be an aid
for the software engineer during configuration/commissioning.
Corrective
actions:
Should the message occur during normal operation, contact Kongsberg Maritime
service.
Calibration error
Description:
This message is reported if the variation of data from the position reference
system is too high during the calibration period.
The first 20 seconds after the position reference system is selected, the position
data received is used to find the coordinates of the reference system in the
coordinate system that is established. If the variation of the data exceeds a limit
during this 20 seconds period, the message is reported.
The fault may be caused by large variations in data from the position reference
system and environmental disturbances (air/sea).
Additional
information:
•
Limit (m)
•
Experienced variation of measurements (m)
Possible
consequences:
The DP system will start a new calibration for this reference system.
Corrective
actions:
Consider reducing the "Expected Accuracy" of the reference system to the level
reported in Additional information (Experienced variation of measurements
(m)).
Calibration offset
Description:
This message is reported if a global position reference system cannot be calibrated
due to mismatch with origin coordinate system.
The reason for the fault may be that the GPS(s) have been turned off when a local
position reference system was calibrated as origin, or that a wrong UTM (Universal
Transversal Mercator) zone is selected for a UTM position reference system.
The method of detection is by comparison of expected (zero latitude and
longitude) and estimated transponder coordinates for global position reference
system.
Additional
information:
Deviation limit
Possible
consequences:
The DP system will not be able to calibrate the position reference system.
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