Chapter 3: Autopilot Troubleshooting 8-3-3
ST290 Instrument System Owner’s Handbook
The autopilot appears to be unsta-
ble on Northerly headings in the
Northern hemisphere (or South-
erly headings in the Southern
hemisphere).
Northerly/Southerly heading cor-
rection (AutoAdapt) is not set up.
[Does not apply to 150G/400G
systems.]
Set up Northerly/Southerly head-
ing correction (AutoAdapt).
(see Section 8, Chapter 5).
The autopilot will not auto
advance to the next waypoint.
Bearing to waypoint information
not received from the navigator.
Ensure Navigator is operating cor-
rectly.
For NMEA connected navigators,
check that the correct messages
are enabled at the navigator.
You cannot enter Pilot Seatrial Cal-
ibration mode.
Seatrial calibration lock is on. Turn off the calibration protection
feature in Pilot Advanced Calibra-
tion (see Section 8, Chapter 5).
Fault Possible cause Action
81183_2 S8.book Page 3 Tuesday, May 6, 2003 9:08 AM
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