Raymarine ST4000 Plus, Owner'S Handbook Manual

Page: 56 / 119

Chapter 5: Customising the ST4000 Plus
43
Rudder gain
This is the ìpower-onî rudder gain setting, and should be adjusted to
the setting that gives the best steering performance as described in
Chapter 7, Post Installation Procedures .
Response
This is the power-on response setting. The response level can be
changed during normal operation (see section
3.3 ) or via the Response
Data Page, if this is set for display (see section 2.5 ).
Turn limit
This limits the rate of turn of your vessel when under autopilot control.
The value must be within the range 5 to 20∞. For sailboat applications it
should be set to 20∞.
Align rudder (Rudder Offset)
You only need to set this option if your system includes a rudder
reference unit.
ï Manually place the helm in a central position. The reported rudder
angle is indicated on the rudder bar graphic at the bottom of the
screen.
ï Adjust the offset value, using the
+1
and
-1
keys, until the rudder
position is shown as central on the rudder bar. The offset must be
within the range -7 to +7.
Off course alarm
This is the off course alarm angle. It controls the alarm that warns you if
the autopilot is unable to maintain its set course. The alarm operates if
the autopilot strays off course by more than the alarm angle limit for
more the 20 seconds.
The value must be within the range 15 to 40∞, and can be adjusted in 1∞
steps.