Suppress Sea Clutter [Sea] - JRC JMA-7133-SA Instruction Manual

3.2.5

Suppress Sea Clutter [SEA]

See also the Section 3.2.8 "To get the appropriate image that targets can be easily
observed".
3.2.5.1 Using the manual sea clutter suppression mode
Procedures
Adjust the sea clutter returns on the radar display by turning the
1)
[SEA] dial until targets can be easily observed.
Turning [SEA] dial clockwise suppresses sea clutter returns.
Turning [SEA] dial counterclockwise intensifies sea clutter returns.
The sea clutter suppression function suppresses sea clutter returns by
decreasing the receiving gain on a short range.
Turning the [SEA] dial clockwise heightens the effect of sea clutter
suppression. However, be careful that excessive suppression causes
low signal-strength targets such as buoys and boats to disappear from
the radar display.
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JMA-7100 Instruction Manual 3.BASIC OPERATION
When using the sea clutter suppression function,
never set the suppression level too high canceling out
all image noises from the sea surface at close range.
Detection of not only echoes from waves but also
targets such as other ships or dangerous objects will
become inhibited.
When using the [AUTO SEA] function, make sure to
choose the most appropriate image noise suppression
level.
It is recommended to restore the setting to
i
the factory default, if you lost the appropriate
settings.The factory default level is shown on
the bar chart as a green line.
The factory defafult level is assigned by
every function mode. See the Section 3.9
"USE FUNCTION KEY [USER]"
3－ 9
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3.2 OBSERVE AND ADJUST VIDEO
Current Level
Factory Default
3