Measurement By Trackball - JRC JMA-9922-6XA Instruction Manual

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Measurement by Trackball

Procedures
‚ S
270
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1. Check the target echoes on the radar display.
2. Move the cross cursor mark to a target by the trackball.
The [CURSOR] on the radar display indicates the bearing and range of the
target.
The range is a distance from own ship's position.
Own Ship
Fig. 4.1
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¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥ ¥
CURSOR• i • @ • @ • @ • @ • @ • @ • @ • @ • j
TRUE • @ • @ • @ 4 5.0 • ‹ • @ • @ • @ T rue bearing of the cursor relative to own ship
5.0nm• @ • @ • @ R ange between the cursor anda own ship
0
REL• @ • @ • @ • @ 4 5.0• ‹ • @ • @ • @ R elative bearing of the cursor relative to own sh
45 • ‹
Target
5.0NM
180
4-1
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Cursor
90
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ip