270
E-Series Networked Display Reference Manual
To disable the dangerous target alarm:
1. Select Menu.
2. Select Alarm Setup.
3. Select AIS Alarms Setup.
4. Switch Dangerous Targets Alarm to
OFF
.
5. Press
OK
.
Setting up an AIS safe zone
To set up a safe zone around your vessel and specify the time to safe zone:
Note: If required you can also hide the safe zone ring via this menu.
Important
When the AIS receiver is connected and functioning, the system will check for
dangerous targets within the safe zone and if enabled issue an alarm whenever
necessary. Dangerous target alarm operates irrespective of the ON or OFF status of
the AIS target display (see
page 270
) or the VISIBLE/HIDDEN status of the safe zone
ring
MARPA and AIS options
Parameter
Options
(Default in bold)
Vector Length
The time period specified for drawing length of vectors.
0.5min, 1 min,
3 min,
6min
, 12min, 30
min, 60 min
Target History
Plots a MARPA target’s previous position at specified
intervals. The four most recent position points are dis-
played. If True target vectors are selected, the four most
recent vessel position points are also displayed.
OFF
, 0.5 min, 1 min, 3 min, 6 min
Own vessel safe zone
The safe zone is a ring, centred on your boat, within which
a target is considered dangerous if it comes within a spec-
ified distance (CPA).
0.1 nm, 0.2nm,
0.5nm
, 1.0 nm, 2.0nm
D8688_1
TARGET
TRACKING...
MARPA & AIS
OPTIONS...
Highlight and select TIME TO SAFE
ZONE. Select required duration.
MARPA & AIS OPTIONS...
Highlight and select OWN VESSEL
SAFE ZONE. Select required distance.
VECTOR LENGTH
6min
TARGET HISTORY
Off
TIME TO SAFE ZONE
3min
SAFE ZONE RING HIDDEN
OWN VESSEL SAFE ZONE
0.5nm
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