Japan Radio Co. JLR-7900, Instruction Manual

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4-14
4.3 Plot Screen Operation
The plot screen can display own ship's position, track, active route, waypoint and cursor information.
Display is fixed to North Up.
4.3.1 Cursor Operation
4.3.1.1 Displaying the Cursor

When the key is pressed, the cursor is displayed.

When the cursor is displayed, cursor information (cursor latitude and longitude, bearing and
distance from own ship to cursor) will be displayed on the screen.
1. Press the key on the plot screen to display the cursor at the center of the screen.
When the cursor is not operated for 5 seconds, cursor display is automatically turned off.
4.3.1.2 Moving the Cursor

The cursor can be moved up, down, right and left.
1. Use the to move the cursor up, down, right and left.
4.3.2 Zooming the Screen In and Out

The plot screen width can be set to any of the widths below.
0.125, 0.25, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0[NM]
1. When the cursor is displayed, wait until it disappears.
2. Press the key to display "SCALE".
The present scale is displayed on the lower right of the screen.
3. Press the key to change the scale
4. Press the
key. The scale is decided and disappear.
Procedure
Procedure
Procedure
Scale
Distance from own ship to
cursor.
Bearing from own ship to
cursor.
Cursor Lanitude and Longitude
Cursor
Own ship