Operator's Manual

4. MAINTENANCE, TROUBLESHOOTING

Autopilot jerks suddenly

• Check for interfering objects near the SC-30.

• Check the installation site and mounting base for vibration.

• Check if antenna of radar, radio equipment, etc. is near the installation site.

• Check operation at the autopilot:

• Confirm that the ruddle angle can be recognized by the operator when heading output is

stopped.

Minimally, the buzzer should sound.

• Confirm that rudder does not jerk violently when heading output is resumed. For example,

check that setting for rudder angle limit is suitable.