132 ST80 Masterview Operation and Setup
Variation
Variation tells other equipment the amount of magnetic variation
present at your vessels current position.
D2660-1
Go to the Setup Exit page.
Decrease value.
Increase value.
Advance to the next pilot
feature.
masterview
SET- UP
PILOT
VARIATION
3oE
The range is 30° West to 30° East.
Auto Adapt
Autopilot’s tend to be a little less stable on Northerly headings in
higher latitudes of the northern hemisphere and Southerly headings
in the southern hemisphere.
• This instability is caused by the increasing angle-of-dip in the
Earth’s magnetic field at higher latitudes.
• This instability amplifies the rudder gain on northerly (southerly)
headings and affects all magnetic compasses. It also gets worse the
further away you are from the equator.
The autopilot can compensate for this, and provide precise course
keeping on all headings, by automatically adjusting the autopilot
gain depending on the heading.
• The Auto Adapt facility should be selected for high speed craft.
• Auto adapt automatically reduces the effects of Northerly/Southerly
heading instability.
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