Switch Transmitter Pulse Length [Gain] - JRC JMA-7133-SA Instruction Manual

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JMA-7100 Instruction Manual 3.BASIC OPERATION
3.4.2

Switch Transmitter Pulse Length [GAIN]

Procedures
1) Press [GAIN] dial
Values of the transmitter pulse width are switched.
Effects of transmitter pulse width
Recommended condition for selection: In bays/harbors where targets are densely
Recommended condition for selection: General navigation
Recommended condition for selection: Detection of small targets in good weather
Usable transmitter pulse width differs according to the type of antenna being used
and the observation range being used. For usable pulse width, see Section 11.8
"SCANNER UNIT (NKE-1139)" ～Section 11.14 "SCANNER UNIT (NKE-
2103-6HS)".
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3.4 GENERAL RADAR OPERATION
MP1 MP2
With selected: The transmitter pulse becomes shorter, and the
SP
With selected: The normal transmitter pulse length is set. Both
MP
With selected: The transmitter pulse becomes longer, and gain
LP
3－ 24
LP1 LP2
range resolution improves.
suppressing sea clutter returns and rain/snow
clutter returns heightens.
crowded. Rough sea state due to torrential rain or
stormy weather.
range resolution and gain are appropriately set.
improves. Small targets are zoomed and are easy
to observe. When the sea state is bad, detection
performance decreases.
conditions.
The effect of