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-1.29-
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.