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4.8.5 Screen Zoom In/Out
The plotting screen horizontal width is set in the following scale.
0.2, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0, 200.0, and 300.0 [NM]
4.8.6 Changing North Up/Course Up
The screen mode can be changed to North Up, Course Up, or Relative North Up.
North Up: Own ship moves on the screen with North Up.
Course Up: The course of own ship is constantly set to the up position on the screen and the
surrounding image moves.
Relative North Up: The top of the screen faces North and own ship’s position is fixed and the
surrounding image moves.
Whenever screen mode switching is tapped, the screen mode changes.
ZOOM OUT ZOOM IN
Switch
screen mode
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