xii
!
When setting a guard zone, make sure to properly adjust
gain, sea-surface reflection suppression level, and rain/
snow reflection suppression level so that the optimal
target images are always on the radar screen. The guard
zone alarm will not be activated for targets undetected by
the radar, and it may result in accidents such as
collisions.
!
The simulation function is used exclusively for deciding
whether or not target tracking is properly operating.
Therefore, never use this function unless you wish to
check target tracking operations.
Note especially that, if this function is used during actual
navigation, simulated targets are displayed and may
become confused with other actual targets. Therefore,
never use this function during actual navigation.
Optimal values have been set for VD LEVEL and
CONSTANT; therefore, never change their values unless
absolutely necessary. Failure to comply may result in
accidents that would lower target tracking performance.
Make sure to shut off the main power before replacing
parts. Failure to comply may result in electrocution or
equipment failure.
!
When replacing magnetrons, make sure to shut off the
main power and let the equipment stand for more than 5
minutes to discharge the high-voltage circuit. Failure to
comply may result in electrocution.
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