Furuno FR1500 Mk3 User Manual download pdf (Page 41)

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1.30 Markers

Heading line, north marker, stern marker, own ship symbol

The heading line indicates the ship’s heading in all presentation modes. It is a line from the own ship

position to the outer edge of the radar display area and appears at zero degrees on the bearing

scale in head-up mode, it changes the orientation depending on the ship orientation in the north-up

and true motion modes. The heading marker appears as a small circle on the bearing scale to

indicate the heading when the display is shifted or is in the north-up or TM mode.

Temporarily erasing heading line, north marker, stern marker, own ship symbol

To temporarily extinguish the heading line to look at targets existing dead ahead of own ship, press

the GAIN control. The heading line reappears when the control is released.

Note that the Video Plotter screen (requires RP-17) is also temporarily erased when the GAIN

control is pressed.

North marker

The north marker appears as a short dashed line. In the head-up mode, the north marker moves

around the bearing scale in accordance with the compass signal.

Stern marker

The stern marker (a dot-and-dash line) appears opposite to the heading line. It can be

displayed/erased on the MARK/LINE sub menu in the OTHERS menu ([MENU], [0], [0]).

Own ship symbol

The own ship symbol () can be displayed/erased on the MARK/LINE sub menu in the OTHERS

menu. The symbol is scaled to indicate the length and beam of the vessel. If the largest dimension

of the symbol gets smaller than 6 mm, the symbol will disappear and own ship will be represented

with a small dot or circle depending on the range in use. NOTE: Details should be entered during

installation.

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Furuno FR1500 Mk3 User Manual Page 41