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104 ST7001+ Autopilot Control Unit - Owner’s Handbook
Appendix
Using the autopilot (non-150/400 systems)
The operating procedures when using the ST7001+ control unit with
a non-150/400 autopilot are basically the same as the procedures for
using a 150/400 system without a GyroPlus.
Follow the instructions in Chapter 2: Basic Operation and Chapter
3: Advanced Operation, bearing in mind these main differences:
Adjusting autopilot performance
You can select three response levels to adjust autopilot performance:
• Response Level 1: AutoSeastate on (Automatic deadband)
This setting causes the autopilot to gradually ignore repetitive
boat movements and only react to true variations in course. This
provides the best balance between power consumption and
course keeping accuracy, and is the default calibration setting.
• Response Level 2: AutoSeastate off (Minimum deadband)
This setting provides tighter course keeping. However, this
results in increased power consumption and drive unit activity.
• Response Level 3: AutoSeastate off + yaw damping
This setting provides the tightest possible course keeping by
introducing counter rudder yaw damping.Yaw damping will use
the information provided by a GyroPlus, if connected.
Wind Vane mode
When using Wind Vane mode:
• you can only use the autopilot to maintain an apparent wind
angle (not a true wind angle)
• gybe inhibit is permanently switched on
• WindTrim provides two settings: 1 = normal; 2 = faster response
Manual (Joystick) mode
If you connect the ST7001+ to a Type 100/300 course computer
system fitted with a joystick, you will enter Manual (joystick) mode
when you press the joystick button.
In Manual (joystick) mode you can use the joystick to power steer the
rudder. The ST7001+ will return to Standby mode if you release the
joystick button or if you press the
standby key on the control unit.
You can set the autopilot to power steer in either proportional or
bang-bang mode (see page 110).