Autotrim; Power Steer - Raymarine ST7000+ Owner's Handbook Manual

46

AutoTrim

The AutoTrim level setting determines the rate at which the autopilot
applies "standing helm" to correct for trim changes caused by varying
wind loads on the sails or superstructure.
The settings are:
Setting
OFF
1
2
3
4
Default:
The default setting should provide optimum performance with the
Course Computer. However, an incorrect rate of trim application may
result in poor course-keeping due to autopilot instability, depending on
the dynamic stability of the vessel.
After gaining experience with the Course Computer, you may wish to
change the setting. The effect of the setting must be evaluated while
under sail.
• Decrease the AutoTrim level if the autopilot gives unstable course-
• Increase the AutoTrim level if the autopilot reacts slowly to a
• For systems without a rudder reference unit, these settings have no

Power Steer

Power steer selects the Joystick mode of operation: Proportional or
'Bang-Bang'.
Effect
No trim correction
Slow trim correction
Medium trim correction
Fast trim correction
Super fast correction
for Pilot Type Displacement
for Pilot Type Semi-Displacement
for Pilot Type Planing
for Pilot Type Sterndrive
keeping or excessive drive activity with a change in the heel angle.
heading change due to a change in the heel angle.
effect and trim is set to level 3.
ST7000 Plus Autopilot Control Unit Owner's Handbook
Recommended for:
Heavy displacement vessels,
with full keel or transom rudder.
Heavy displacement vessels.
Some planing and moderate to light
displacement vessels.
Fast planing power vessels
2
3
3
3