Variation; Autoadapt - Raymarine ST7000+ Owner's Handbook Manual

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Variation

If required, set this value to the level of magnetic variation present at
your vessel's current position. The variation setting is sent to other
instruments on the SeaTalk system, and can be updated by other
SeaTalk instruments.
Range:
Default:

AutoAdapt

The AutoAdapt feature allows the Course Computer to compensate for
heading errors at higher latitudes, which are caused by the increasing
dip of the earth's magnetic field. 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.
Set AutoAdapt to nth in the northern hemisphere, or Sth in the southern
hemisphere. You then need to enter your current latitude in the next
setup screen, so that the Course Computer can provide accurate
course-keeping by automatically adjusting the rudder gain depending
on the heading.
Range:
Default:
ST7000 Plus Autopilot Control Unit Owner's Handbook
30° EAST or WEST
0°
OFF
nth = North
Sth = South
OFF