1. OPERATION
1-18
1.12
Pulse width
The pulse width in use is displayed at the top left corner on the screen. The pulse
widths are set to each range scale and custom setup. Use a longer pulse width when
your purpose is long range detection. Use a shorter pulse width when the resolution
is important.
1.12.1
How to change a pulse width
The pulse width in use is displayed at the top left corner of the screen using the indi-
cations shown in the table below.
Left-click the pulse icon to shorten the pulse width or right-click to lengthen the pulse
width.
Appropriate pulse widths are preset to individual range scales. If you are not satisfied
with the current pulse width settings, you may change them referring to
paragraph 1.12.2.
Pulse width for [RIVER] mode
Pulse width for [SEA] mode
Range (km)
Available pulse width
0.125/ 0.25/ 0.5/ 0.8/ 1.2/ 1.6/ 2
S
4
S/M1
8
M1/M2
16/ 32
M2/L
64
L
Range (NM, SM)
Available pulse width
0.125/ 0.25/ 0.5/ 0.75/ 1
S
1.5/ 2
S/M1
3/ 4
M1/M2
6/ 8/ 12/ 16
M2/L
24/ 32/ 48/ 64
L
Range (km, kyd)
Available pulse width
0.125/ 0.25/ 0.5/ 0.75/ 1/ 1.5/ 2
S
3/ 4
S/M1
6/ 8
M1/M2
12/ 16/ 24/ 32
M2/L
48/ 64
L
RD003001
STBY
OFFCENT
HDG
1
MASTER
OFF
HEAD-UP
HEAD-UP
M1
M1
Pulse
icon
Indication
[S]: Short pulse
[M1]: Medium pulse 1
[M2]: Medium pulse 2
[L]: Long pulse
