Chapter 5: Adjusting Autopilot Settings 8-5-15
ST290 Instrument System Owner’s Handbook
T150 & T400 autopilot systems
T150 and T400 (non-GyroPlus) autopilot systems have three response
level options:
Level 1 - AutoSeastate on (Automatic deadband)
• Autopilot gradually ignores repetitive boat movements and only
reacts to true variations in course
• Provides the best compromise between power consumption and
course keeping accuracy
Level 2 - AutoSeastate off (minimum deadband)
• Provides tighter course keeping
• Increased power consumption and drive unit activity
Level 3 - AutoSeastate off and counter rudder yaw damping.
• Provides tightest possiblecourse keeping by introducingcounter rud-
der yaw damping
Turn rate limit
Note: Not available if the vessel type is set to SAIL BOAT.
Use the TURN RATE LIMIT screen to set the maximum turn rate allowable
under autopilot control.
To adjust the turn rate limit:
1. Use the button to scroll to the TURN
RATE LIMIT page.
2. Use the or button to select the
required value. The adjustment can be
made from 1° per second to 30° per
second in 1° steps.
3. To move to the next setting press the
button, or to leave the current cali-
bration chapter and save all setting
changes, press the button.
D5993-1
81183_2 S8 Chap 5.fm Page 15 Wednesday, May 7, 2003 2:39 PM
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