Furuno NAVNET 1833 - Manual (Page 41)

2. RADAR OPERATION
2-7
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 them for the ranges shown
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 range: Short pulse, medium pulse
3 nm, 3 sm, 6km range: Medium pulse, long pulse
1. If not displayed, press the [HIDE/SHOW] key to show the radar soft keys.
2. Press the SIGNAL PROC. soft key.
SIGNAL
PROCESS
+
RETURN
E. AVG
OFF
I. REJ
LOW
E. STR
LOW
.250/ 319.9
°
M .125nm
SP
H-UP
359.9 ° R
0.277nm
PULSE
Signal process soft keys
3. Select the 1.5 nm (1.5 sm, 3 km) or 3 nm (3 sm, 6 km) range with the
RANGE key.
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.