Raymarine St290 Specifications Page 283

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8-5-20 Section 8: Autopilots
ST290 Instrument System Owners Handbook
To adjust the cruise speed:
Turning error correction (T150 and T400 systems only)
Turning error correction allows the autopilot to compensate for heading
errors, which are caused by the increasing dip of the earths magnetic
field at higher latitudes. The increased dip has the effect of amplifying
rudder response on northerly headings in the northern hemisphere, and
on southerly headings in the southern hemisphere.
Figure 5-7: Turning error correction
1. Use the button to scroll to the
CRUISE SPEED page.
2. Use the or button to adjust the
Cruise Speed. The adjustment can be
made from 4 to 60 knots.
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.
D5998-1
North
without
compensation
North
with
compensation
D3263-2P
81183_2 S8.book Page 20 Tuesday, May 6, 2003 9:08 AM
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