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4.10 SETTING 1/4 OFFSET
By pressing the OFFSET key, the display is offset downwards by 1/4 radius,
expanding the display area in front of the vessel. Press the key a second time to
return the display to normal.
4.11 RANGE MEASUREMENT
(1) Count the number of range scale rings in use between the center of the
screen and the ring preceding the target. Add to this distance an estimate of
the distance between this nearest ring and the inner edge of the target.
(2) Using VRM
Press the EBL/VRM key.
If EBL is highlighted, press and hold the EBL/VRM key to change to VRM
mode and activate the split-line VRM ring.
Rotate the J-DIAL clockwise to expand the VRM ring and increase its range.
To lessen the indicated range, rotate the dial in an anti-clockwise direction. The
actual target distance, in nautical miles, from the ship appears on the center top
of the screen in.
To turn off the VRM, press the EBL/VRM key while VRM is highlighted.
OFFSET MODE OFF OFFSET MODE ON
OPERATION