Lighthouse a125, Инструкция по установке и эксплуатации

Страница: 181 / 460

12.3 Alarm options
Safety Alarms
Menu item Description Options
Waypoint arrival If enabled, when you arrive at a waypoint, an alarm is
triggered. This setting allows you to specify the radius
of the waypoint arrival circle. The waypoint arrival
circle is an imaginary circle around the destination
waypoint. When your vessel crosses this circle the
Waypoint Arrival alarm is triggered.
Note: The waypoint arrival alarm is always enabled
if your system includes a Raymarine autopilot.
Enable :
• Enabled (Ticked) (default)
• Disabled (Un-ticked)
Waypoint arrival radius
Default values:
• 19 m — applies to km and nm & m units
of measure.
• 61 ft — applies to Nautical Miles and Statue
Miles units of measure.
Radius / distance range:
• 19 to 18,520 m
• 61 to 60,761 ft
• 0.01 to 10 nm
• 0.012 to 11.508 sm
• 0.019 to 18.52 km
Off track When enabled, during active navigation an alarm is
triggered when your vessel steers off-track more than
the value you specify for the
Off Track XTE setting.
Enable :
• Enabled (Ticked)
• Disabled (Un-ticked) (default)
Off Track XTE
Default values:
• 556 m — applies to km units of measure.
• 0.300 nm — applies to nm and nm & m
units of measure.
• 0.345 sm — applies to sm units of measure.
Radius / distance range:
• 19 to 18,520 m
• 61 to 60,761 ft
• 0.01 to 10 nm
• 0.012 to 11.508 sm
• 0.019 to 18.52 km
Safezone (MARPA &
AIS targets) Alarms are triggered when targets become dangerous.
AIS and MARPA targets are deemed dangerous when
they are within the specified:
• Distance / Radius — Closest Point of Approach
(CPA), or
• Time — Time to Closest Point of Approach (TCPA)
to the Safezone
MARPA target alarms cannot be disabled. See below
for disabling and enabling AIS target alarms.
Safezone radius
• 0.1 nm / 0.1 sm / 0.2 km
• 0.2 nm / 0.2 sm / 0.5 km
• 0.5 nm / 0.5 sm / 1 km (default)
• 1 nm / 1 sm / 2 km
• 2 nm / 2 sm / 5 km
Time to Safezone
• 3 min (default)
• 6 min
• 12 min
• 24 min
Alarm management
181