8-5-14 Section 8: Autopilots
ST290 Instrument System Owner’s Handbook
Response level
Use the DEFAULT RESPONSE screen to set the autopilot response. The
autopilotresponse levelcontrols therelationshipbetween coursekeeping
accuracy and the amount of helm/drive activity. Although you can make
temporary changes to response during normal operation, the value you
set here is the response level at power up.
To configure the default response:
150G & 400G autopilot systems
150G and 400G autopilot systems have nine response level options:
Level 1 gives the least pilot activity to conserve power, but may
compromise short-term course-keeping accuracy
Levels4to6 shouldgive goodcoursekeeping withcrisp, well-controlled
turns under normal operating conditions
Level 9 gives the tightest course keeping and greatest rudder activity, but
may lead to a rough passage in open waters as the autopilot may ‘fight’
the sea
1. Use the button to scroll to the
DEFAULT RESPONSE page.
2. Use the or button to select the
response level. The adjustment can be
made from 1 to 9 (1 to 3 for T150 &
T400 systems - see below).
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.
D5994-1
81183_2 S8.book Page 14 Tuesday, May 6, 2003 9:08 AM
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