Furuno 1734C 服务手册
2. RADAR OPERATION
2-6
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 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: Short pulse, medium pulse
3 nm, 3 sm, 6 km: 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.
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 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: Short pulse, medium pulse
3 nm, 3 sm, 6 km: 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.
1.5/ 319.9
°
M
.500nm
SP
SP
H-UP
SIGNAL
PROCESS
PROCESS
+
359.9
°
R
1.40nm
RETURN
I. REJ
LOW
PULSE
SHORT
E. STR
LOW
Signal process soft keys
3. Choose the 1.5 nm or 3 nm with the RANGE key.
4. Press the PULSE soft key to select the pulselength setting. SHORT or MEDIUM for 1.5
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.
6 km.
5. Press the RETURN soft key to finish.