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5. NAV DATA MODE OPERATION
This section describes the operation on the NAV DATA MODE as
well as the readings on the screen.
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Internal
Basic Operation
You may operate this mode with the following key switches.
Chooses the tracking mode for ship’s speed measurement:
Ground, Water or Auto. Normally select “Auto” for automatic
changeover to “Water” when the ground tracking is not attainable.
The Ground tracking is normally attainable up to a 200m deep
bottom.
Select the unit of ship’s speed display.
Chooses the range scale of ship’s speed bargraph.
Chooses the depth scale of the under-keel clearance graphic
display.
TRACKING MODE
kt/m/s
SPEED RANGE
DEPTH RANGE