Bearing Measurement; Changing Cursor Operation Mode In Radar/Chart Screen - JRC RADAR 1800 Instruction Manual

Color lcd radar-plotter
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Bearing Measurement

q Using the bearing scale
Using the bearing scale on the screen, visually estimate a line from
the center of the display(ship's position) projected through the
center of the target, to reach the bearing scale around the perimeter
of the display. The bearing which you obtain is the target's relative
bearing in degrees.
The bearing scale is not usable in offset mode.
w Using EBL
Press the
EBL/VRM
EBL/VRM
If VRM is highlighted, press and hold the
to EBL mode.
Rotate the
Jog Dial
electronic bearing line to cut the center of the target. The target
bearing (in degrees relative to the ship) then appears at the top
center of the screen in full radar screen.
In case of RADAR/CHART screen, it is displayed right side of
center.
The bearing may be displayed in relative "R", in true "T", or in
magnetic "M" depending menu selection and what other
equipment is interfaced to the radar.
To turn off the EBL, press the
lighted.
e Using cursor
The cross mark can be moved in any direction by using the
. The cursor position (L/L), bearing and distance are
Joystick
displayed in the bottom of the screen in radar full mode, or in the
upper right corner of the chart screen in split mode.
Changing CURSOR Operation Mode
in RADAR/CHART Screen
• Press and hold
Joystick
another screen in RADAR/CHART mode.
• The color of cursor is white in the RADAR screen and black in the
CHART screen.
key.
clockwise or counterclockwise to move the
key while EBL is high-
EBL/VRM
EBL/VRM
approximately 2 seconds, the cursor jump to
key to change
EBL/VRM
EBL/VRM

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