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COG (Course Over Ground)
If deviation information is not available
from the connected GPS, the COG
display will default to the display shown
at left. This is the normal display with
COG indicated as it would be displayed
on a compass. If desired, True North
data can be displayed by selecting it in
the “set GPS COG display” in the edit
mode.
If deviation information is available
from the GPS, the COG display can be
selected to display the screen shown
at left. The display will flash slowly to
ensure the operator is aware that the
display is showing True North bearing.
True North bearing is different from
Magnetic North bearing by the amount of
magnetic bearing deviation at the boat’s
current location. Please ensure that the
local magnetic deviation is taken into
account if this display is to be used for
navigation.