vesper marine WatchMate 650, Руководство пользователя

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It is not recommended to set this value too
low since it may filter out all targets and
alarms.
Target speed filter Specifies the minimum speed (in knots) a target
must be moving. Any targets moving slower
than this speed will not be included in the target
list and will not trigger any alarms.
This allows you to eliminate from the target list
and prevent alarms for targets which are
stationary or moving very slowly. It is most
useful when there are large numbers of
anchored or moored vessels in your operating
area.
It is not recommended to set this value too
high since it may filter out all targets and
alarms.
Alarms
There are two types of target alarms provided by the
AIS
WatchMate.
They are called Guard Alarm and CPA Alarm. Each alarm applies
independently to each target. This means that alarms may be silenced
for some targets but will still remain active for other targets.
When an alarm is sounded, the display immediately shows the target
that has triggered the alarm. Pressing the
Mute button silences the
alarm and all subsequent alarms for that target only. Other targets
may still trigger alarms. The idea is that you have acknowledged the
target and are now aware of its presence and/or collision potential.
The
AIS
WatchMate
will continue to monitor and update the display
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