Raymarine LIGHTHOUSE 4, Руководство по эксплуатации

Страница: 296 / 504

20.11 Dangerous targets alarm
You can use the Dangerous targets alarm to notify you if a Radar or AIS target
will reach a specified distance from your vessel within a specified time.
To set up the Dangerous target alarm, first adjust the [Safe distance] to the
desired value and then select a [Time to reach safe distance] . The alarm will
be triggered if a tracked target will reach the specified Safe distance from
your vessel within the time period selected.
You can choose whether you want the Dangerous target alarm to trigger for
Radar and / or AIS targets.
You can display a Safe distance ring around your vessel in the Radar app
using the
[Show safe distance] control.
20.12 Guard zone alarms
Guard zones alert you if a Radar return is detected within the Guard zone
area.
2 Guard zones can be configured for each connected Radar scanner.
The Guard zones can be configured from the
[Alarms] menu: [Menu > Alarms
> Guard zone 1] or [Menu > Alarms > Guard zone 2]
A Guard zone can be configured as a sector or as a circle around your vessel.
Selecting [Adjust Zone] allows you to configure the size of the Guard Zone.
Adjust the guard zone’s size by dragging the inner and outer perimeter end
points (circles) to the desired locations.
296