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FOREWORD
xiv
Specification type and function availability (con't)
Type
Function
IMO A B C W
Trail Eraser No No Yes Yes No
Trails-Color No No Yes Yes Yes
Trails-Hide No No Yes Yes Yes
Trails-Long No No Yes Yes Yes(12H/24H)
Trails-Narrow No No Yes Yes Yes
WPT marker No Yes Yes Yes Yes
Signal Processing Functions
This radar has the signal processing functions described in the table below. All signal
processing functions are set with the Picture feature. See section 1.35 for additional
information.
Signal processing function Description Section
Interference rejector Suppress interference transmitted by other
radars. Interference received simultaneously from
many radars can be difficult to reduce.
1.25
Echo stretch Enlarge target echoes, especially small echoes.
Suppress interference, sea clutter and rain clutter
before using echo stretch, to prevent the
enlargement of unwanted echoes.
1.26
Echo averaging The radar samples echoes with each scan.
Targets that show a large change with each scan
are judged as clutter and are reduced to display
only echoes from legitimate targets. Requires
position and speed data.
1.27
Noise rejector Suppress white noise and increase the S/N ratio
to improve picture clarity.
1.28
Wiper Suppress unwanted echoes that appear after the
sweep completes a scan (within one second).
1.29