Kongsberg cJoy OT, Operator'S Manual

Page: 192 / 208

Message explanations
385585/C A-71
Seismic ext ROT speed limit
Description The rate of turn limit received from the external seismic computer was less than
operator selected rate of turn.
Additional
information
Rate of Turn received from external seismic computer (deg/min)
Operator selected rate of turn (deg/min)
Possible
consequences
Vessel might not be able to follow planned track/turn due to the limitation
received from seismic computer.
Corrective
actions
Depending on operation, increase external rate of turn limit in seismic computer or
lower operator selected rate of turn.
Seismic ext speed limit
Description The change in speed setpoint received from the external seismic computer was
larger than normal and was rejected.
Possible
consequences
Speed setpoint not updated. The old speed setpoint will be used.
Corrective
actions
Verify that the new speed setpoint is correct. Use smaller steps when changing the
speed.
Seismic offset exceeds limit
Description The change in track offset received from the external seismic computer was larger
than normal.
Possible
consequences
Deviation from track if the new offset is not correct.
Corrective
actions
Verify that the new track offset is correct.
Seismic track direction limit
Description The change in track direction received from the external seismic computer was
larger than normal.
Possible
consequences
Deviation from track if the new direction is not correct.
Corrective
actions
Verify that the new track direction is correct.