CAUTION
If a great value is set as a condition for deciding targets as
identical, a tracking target near an AIS target is regarded as
identical to the AIS target and it may not be displayed any
more.
For example, when a pilot boat (which is a small target not
being tracked) equipped with an AIS function approaches a
cargo ship as a tracking target not equipped with an AIS
function, the tracking target symbol of the cargo ship may
not be displayed any more.
Since these alarms may include some errors depending on
the target tracking conditions, the navigation officer
himself should make the final decision for ship operations
such as collision avoidance.
Making the final navigation decision based only on the
alarm may cause accidents such as collisions.
Any adjustments must be made by specialized service
personnel.
Incorrect settings may result in unstable operation.
Do not make any adjustments during navigation. Failure
to comply may result in adverse effects on the radar
function which may lead to accidents or equipment failure.
Optimal values have been set for Video Level and Vector
Constant; therefore, never change their values unless
absolutely necessary. Failure to comply may result in
accidents that would lower target tracking performance.
Do not change the quantization level settings unless
absolutely necessary. If set at an inappropriate value, the
target acquisition or target tracking function deteriorates,
and this may lead to accidents.
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