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2. RADAR OPERATION
2-8
2.8 Pulselength
The pulselength in use is displayed at the upper left corner of the display.
Appropriate pulselengths are preset to individual range scales. Therefore, you
are not usually required to select them. If you are not satisfied with the current
pulselength setting, however, it is possible to change it for the 1.5 and 3 nm (sm)
ranges (3 and 6 kilometer ranges) as below. Generally, select a longer pulse for
longer detection range and shorter pulse for better range discrimination.
1.5 nm, 1.5 sm, 3 km: Short pulse, medium pulse
3 nm, 3 sm, 6 km: Middle pulse, long pulse
1. Press [HIDE/SHOW] key to show the radar soft keys.
2. Set the range to 1.5 or 3 nm, whichever you want to set.
3. Press the SIGNAL PROC. soft key.
1.5/ 319.9
°
M
.500nm
SP
H-UP
SIGNAL
PROCESS
+
359.9
°
R
1.40nm
RETURN
E. AVG
OFF
I. REJ
LOW
PULSE
SHORT
E. STR
LOW
Shown when radar
source is the Model
1833/C series
network radar. Not
shown otherwise.
Signal process soft keys
4. Press the PULSE soft key to select the pulselength setting. SHORT or
MEDIUM for 1.5 nm, 1.5 sm, 3 km and MEDIUM or LONG for 3 nm, 3 sm, 6
km.
5. Press the RETURN soft key to finish.