Pulse Form - Simrad SP70 - REV D Operator's Manual

850-164186 / Rev.D

Pulse Form

The Pulse Form is accessed from the Horizontal, Vertical,
Echo sounder and Trawl menus.
The Pulse Form parameter dialogue is used to select the form
of the transmitter pulse. This could either be CW (Continuous
Wave) with different pulse lengths, or FM (Frequency
Modulation) with different pulse lengths and number of
frequencies.
Range
(meters)
Short
150 0.9
300 1.8
450 2.7
600 3.5
900 5.3
1200 6.2
1500 7.1
2000 10
2500 12
3000 15
3500 18
4500 22
6000 30
8000 30
CW (Continuous Wave)
The frequency of the transmitter pulse is here constant, equal to
the selected frequency (if the optional multiple frequencies are
installed).
CW - - Pulse length (ms)
Normal
1.8
3.5
5.3
7.1
10
12
15
20
25
30
35
45
60
60
Parameters
FM
Auto
Long
5.3 FM4
10 FM4
15 FM4
20 FM4
30 FM4
35 FM8
45 FM8
60 FM8
75 FM8
75 FM8
75 FM8
75 FM8
75 FM8
75 FM8
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