Furuno DS-30 SONAR User Manual


 
6-1
6. NAV DATA MODE OPERATION
This section describes the operation on the SPEED DATA MODE
as well as the readings on the SPEED screen.
9
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 200 m deep
bottom.
Select the unit of ship’s speed display.
TRACKING MODE
kt/m/s