JRC JMA-9133-SA Instruction Manual page 213

3.8.1.4 Process Switch
• This function sets a specific area and switches the video process mode between
the inside and outside of the area.
• In Section 3.8.1.5 "2nd Process Mode" 2nd Process Mode, set the second video
process mode for the area outside the boundary.
• In [2] PROCESS of Main Menu , set the first video process mode for the area
inside the boundary.
• Gain at a distance can be improved by suppressing near sea clutter through the
correlative process.
• There are two methods for setting an area:
3.8.1.5 2nd Process Mode
• Set the second video process mode for the outside of a specific area.
• This function is enabled when
3.8.1.4 "Process Switch".
Video process modes
PROC Off
3Scan CORREL
4Scan CORREL
5Scan CORREL
Remain
Peak Hold
3.8.1.6 Process Switch Range
• Set the boundary range of a specific area.
• This function is enabled when
"Process Switch".
• The specific area turns out to be a circle with the own ship's position as the
center.
• The boundary range can be set in units of 0.1 nm, ranging 0.1 to 25.5 nm.
JMA-9100 Instruction Manual
： Disables the Process Switching function. (Standard
Off
setting)
Range Fix ： Sets a boundary at a constant range from the center. Set
the boundary range in Section 3.8.1.6 "Process Switch
Range". The specific area turns out to be a circle with the
own ship's position as the center.
： Automatically sets a specific area. The area subject to
AUTO
many clutter returns is inside the boundary, and the area
less subject to clutter returns is outside the boundary.
: Select this mode in general.
: Select this mode when many rain/snow clutter returns are detected.
: Select this mode to highlight targets while suppressing sea clutter returns.
: Select this mode to detect small targets hidden by sea clutter returns.
: Select this mode when own ship yaws wildly.
: Select this mode to detect small targets of which detection probability is low.
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3.BASIC OPERATION 3.8 APPLIED OPERATIONS
or
Range Fix
AUTO
is selected in Section 3.8.1.4
Range Fix
is selected in Section
3