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4.3.6. To remove the interference of Sea Level Wave caused by the Sea Wave
(1) When the wave becomes high due to heavy wind, the ECHO(Sea Clutter) due to the wave is displayed on
PPI screen, then it will be difficult to detect the image of the target.
(2) Turn
(Sea Clutter) to the right to remove the echo image by wave.
The status that shows Sea Level Relection The status that shows Sea Level Reflection is
is strong due to Wave. being suppressed. (The Target is also suppressed)
4.3.7. To operate the alert function
Set the guide zone in order to use the alert.
Guard Zone means [Zone] to be set on PPI screen.
(1) Guard Zone Setting
In bottom of the screen, the function
of
GUARD:Ring
Fan
is shown and
in bottom-right of the screen,
CRS
Data is shown with the distance &
bearing of the cursor based on the
position of own ship.
Press
to select
Ring
or
Fan
function.
a)
How to set up Alert Zone based on the position
of own ship as selecting Ring function.
The message of
Press ENT to set
is shown onto a screen with a red-
ring mark.
Adjust the Alert Zone controlling the
rea-ring.
The alert zone is set up and the
sound is ringing, if it has a target in
the zone.
b)
By selecting
Fan
function, how to set up a
specific zone onto a heading of PPI screen.
Put the cursor onto top-left in a
specific zone to be controlled by
using a bearing button.
Press ENT to set
is shown in a
screen.
Move the cursor to bottom-right in a
specific zone to mark the fanning-
shape.
The alert zone is set up and the
sound is ringing, if it has a target in
the zone.
ATTENTION
※
If you set the removal function of Sea Level Wave up to removal of all Sea Level
Reflection at short distance, it causes intereference in detecting images due to the
target of vessel and dangerous things as well as the wave images being
suppressed.
※
When you use the removal function of Sea Level Wave, you make sure it should be
the optimistic set of suppression.
