H3000 Pilot Handbook___________________________________________________
HB-3001-02
68
MAGNETIC DIP ZONE
All magnetic compasses are affected by “northerly turning errors” in the
northern hemisphere or “southerly turning errors” in the southern
hemisphere, which increase with boat speed and magnetic DIP angle in
higher latitudes.
These can cause heading instability at boat speeds greater than 20 knots
when steering with a Pilot. By entering the dip value indicated on the
compensation chart, the Pilot will be able to correct for these errors and
improve the heading stability.
Select Magnetic DIP zone from the menu. Enter the value using the
ST
keys and press
↵
. Use the minimum value necessary to stabilise the
heading.
Note:
This applies to boats faster than 20 Knots only.
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