Sperry Marine Visionmaster FT ECDIS, Руководство пользователя

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ECDIS User Guide Targets
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Activation Zones
An activation zone is a defined annular or
polygonal area of the display. Targets that
enter an activation area are automatically
activated and an AZ Entry alarm is raised.
There are two annular and two polygonal
activation zones available, which can be
turned on and off. The annular zone
parameters are edited from the Activation
Zones window, or on the display; the
polygonal zone parameters are created and
edited only on the display. When an activation
zone is active the zone parameters are shown
on the display as a solid green line. When an
activation zone is being edited its line colour
changes from green to light purple.
Any targets found in an activation zone are
marked by a flashing activation zone symbol
(see AIS Target Alarm States in AIS Targets)
and an AZ Entry alarm is raised. The
activation zone symbol is turned off when the
AZ entry alarm is acknowledged, or the zone
is turned off. The activation zone symbol is
temporarily turned off if the zone is being edited.