9. OTHERS MENU

HEADING MARK: The heading mark is a dashed line which indicates the heading in all presentation modes. It extends from own ship position to the outer edge of the display and appears at zero degrees in the head-up mode. It changes the orientation depending on ship’s orientation in the north-up, course-up and true motion modes.

Heading mark

Heading mark

RANGE RINGS: The range rings are the dotted line circles about own ship, and they provide an estimate of the range to a target. Rings appear every distance of 1/2 or 1/4 of the range depending on menu setting.

R200

100

Range rings

BEARING SCALE: The bearing scale is the concentric solid circle at the edge of the display. It provides an estimate of the bearing to a target.

N

WE

S

Bearing scale

SHIP’S TRACK: Traces ship’s movement with a solid line. When the capacity of the track memory is exceeded the earliest track is automatically erased to trace new track. Requires ships speed and course data.

9-7

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Furuno FSV-84 manual Heading mark, Range rings, Bearing scale