Instruction manual

Robertson AP11 Autopilot
76 20220513E
3.15 Sea Trial
The Sea-trial menu (SEA SET on display) can only be
accessed if the Dockside Settings are done and confirmed.
In the Sea-trial menu the following tests and settings are
made:
• RUD ZERO
Rudder zero adjust (To tell the AP11 the precise
amidships position of the rudder)
• COMP CAL
Compass calibration (To automatically compensate for
onboard magnetic deviation)
• COMP ADJ
Compass Offset (To offset the final compass heading
readout if necessary)
• AUT TUNE
Automatic tuning (An optional method of determining
the steering parameters)
Enter the Installation Menu by pressing the < and > buttons
simultaneously for 3 seconds. Proceed to the Sea Trial Menu
by pressing the > button (See next page).
Rudder zero adjust
The display will read RUD ZERO. The adjustment should
be made in calm sea and side forces from wind or current
should be avoided.
• Bring the boat up to cruising speed, and head directly
into the wind.
• If the boat has twin engines, synchronize the engine
Rpm’s.
• Set the trim tabs and stabilizers to have no effect on the
boats heading.
• Steer the boat manually on a steady course.
• Press MODE to activate the rudder zero adjust, the
display will flash YES or NO.
• If the display reads NO, press > to acknowledge YES.
• Press MODE again and the display will read dONE
when the adjustment is completed.
Push > to proceed to next menu item.