JRC JMA-9923-7XA User Manual

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Lost
Target Alarm
ILOST
TARGETI'
' ' '
Attention
lf the
radar tuning,
gain,
sea clutter suppression
and rain/snow
clutter suppression
are
not appropriate,
the
lost target alarm may
be
generated
frequently,
so
that
adjustments should
be
made
carefully.
When
it is impossible
to
continue
tracking any
acquired and tracked
target, the LOST target
alarm
will be
generated.
The typical
causes
for this
alarm
are shown
below, but
they are
not limited
to lhese:
.
The
target echo is
very weak;
-
The target
has
entered
the shadow
of
land or
a large ship and
its
echo
is
not being
received:
.
The target echo is hidden by
sea clutter.
Lost TargetAlarm
Status
Symbol
on
CRT
Alarm
characters
Alarm sound
Conditions
Lost target
+
LOST
Beep sound
(pee)
Acknowledgeable
The
alarm
will
sound
once
when
a
lost tiargel symbol is
displayed.
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JRC JMA-9923-7XA Specifications

General

Brand	JRC
Model	JMA-9923-7XA
Category	Marine Radar
Language	English