Furuno 1833C-BB manual Description of presentation modes, Head-up presentation mode, Course-up

2. RADAR OPERATION

2.9.2Description of presentation modes

Head-up

A display without azimuth stabilization in which the line connecting the center with the top of the display indicates own ship’s heading. Targets are painted at their measured distances and in their directions relative to own ship’s heading.

The short line on the bearing scale is the north marker.

North Marker

Heading Line

Head-up presentation mode

Course-up

The radar picture is stabilized and displayed with the currently selected course at the top of the screen. As you change heading, the ship’s heading line moves. If you select a new course, the picture resets to display the new course at the top of the display.

Targets are painted at their measured distances and in their directions relative to the intended course which is maintained at the 0-degree position. The heading line moves in accordance with ship’s yawing and course changes.

North Marker Heading Line

Course-up presentation mode

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