JRC JMA-9832-SA Instruction Manual page 6

CAUTION
Use these radar only as assisting devices for navigation.
Also, the officer should make the final decision for
maneuvering by himself.
Use ARPA only as assisting device for navigation. Also,
the officer should make the final decision for maneuvering
by himself.
ARPA's information such as vector, target value data, alarm, etc. may contain
some errors. Also, targets which cannot be detected with these radar cannot be
tracked at their acquisition points.
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