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2. RADAR, CHART RADAR OPERATION
2.20
Parallel Index (PI) Lines
PI lines are useful for keeping a constant distance be-
tween own ship and a coastline or a partner ship when
navigating. Up to six sets of PI lines are available depend-
ing on the maximum number of PI lines selected on the
menu.
Control of the orientation and interval of the PI lines is
done from the PI line box, which is at the bottom-left posi-
tion.
PI line no.
PI line angle
PI line interval
2.20.1
How to display, erase a PI line
How to display, erase a PI line from the Control Unit
Displaying a PI line: Press the INDEX LINE key until desired PI line no. appears.
Erasing a PI line: Press the INDEX LINE key until desired PI line no. appears. Press
and hold down the INDEX LINE key to erase the PI line.
How to display, erase a PI line from the trackball module
Click the PI line no. indication to select a PI line. Click the PI line status indication (ON,
OFF) to display or erase a PI line.
2.20.2
How to adjust PI line orientation, PI line interval
1. If not already displayed, display a PI line.
2. Put the cursor on the PI line angle indication then spin the scrollwheel to set the
angle (000-359.9). Enter a negative value to move the PI line to the opposite side
of the PI line that passes through your position.
3. Put the cursor on the PI line interval indication then spin the scrollwheel to adjust
the PI line interval.
2-24
PI
lines
Minimize button
PI line ON/OFF
PI line reference
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Table of Contents
Troubleshooting
