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■ AIS settings
CPA/TCPA
z Slow warn
The GPS receiver calculated COG data
of a vessel that is at anchor or drifting
is unreliable, and therefore the CPA
and TCPA data may not be calculated
correctly. If a vessel is anchored in your
alarm zone, the unreliable data can
cause the collision alarm to sound many
times, even if there is no real danger.
To prevent this, when the anchored
vessel's SOG is less than this set value,
the Slow Warn function assumes that
vessel's COG is fixed towards your
vessel and an alarm will sound.
• Function
Turn the Slow warn function ON or OFF.
ON:
The Slow warn function is turned
ON.
OFF: The Slow warn function is turned
OFF.
• Speed
Set a speed for the Slow warn function
between 0.1 and 4.9 kn (in 0.1 kn
steps), or between 0.2 and 9.1 km (in
0.1 km steps).
NOTE: If other vessels at anchor or
drifting come into your alarm zone,
the Slow warn alarm will sound again.
Only if the previous vessel disappears
from the Danger list (p. 17), and
then re-enters the list, can a new
Slow warn or regular alarm sound,
depending on the vessel's SOG,
or CPA and TCPA. The Slow warn
function operates in the same way
if your vessel is at anchor and other
vessels enter your alarm zone.
BASIC OPERATION
CPA/TCPA
z ID blocking
Enter an MMSI (Maritime Mobile
Service Identity) code not to sound a
collision alarm. The alarm does not
sound if a vessel that is entered into
the ID blocking list is closer than the set
CPA/TCPA values.
L You can enter up to 10 MMSI codes.
• Entering an ID
1.
Open the "ID blocking" screen.
[MENU] > AIS Settings >
CPA/TCPA > ID blocking
• The blocked AIS transponder's ID is
displayed.
• "No ID" is displayed if there is no
blocked AIS transponder.
2.
Push [ENT] to display the Menu
window.
• The Menu window is displayed.
3.
Select "Add," and then push [ENT]
to start the ID entry.
4.
Select "Finish," and then push
[ENT] to enter the ID.
• Deleting an ID
1.
Open the "ID blocking" screen.
[MENU] > AIS Settings >
CPA/TCPA > ID blocking
2.
Select an ID, and then push [ENT]
to display the Menu window.
• The Menu window is displayed.
3.
Select "Delete," and then push
[ENT].
• "Delete ID blocking. Are you sure?"
is displayed.
4.
Select "OK," and then push [ENT].
Own ship data
Set your vessel's information.
L See page 6 for details.
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