Installation manual

Parameters
133
850-164186 / Rev.D
Pulse Form
The Pu lse Form is accessed from the Horizontal, Vertical,
Echo sounder and Trawl menus.
The Pu lse 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 CW -- Pulse length (ms) FM
(meters)
Short Normal Long
Auto
150 0.9 1.8 5.3 FM4
300 1.8 3.5 10 FM4
450 2.7 5.3 15 FM4
600 3.5 7.1 20 FM4
900 5.3 10 30 FM4
1200 6.2 12 35 FM8
1500 7.1 15 45 FM8
2000 10 20 60 FM8
2500 12 25 75 FM8
3000 15 30 75 FM8
3500 18 35 75 FM8
4500 22 45 75 FM8
6000 30 60 75 FM8
8000 30 60 75 FM8
CW (Continuous Wave)
The frequency of the transmitter pulse is here constant, equal to
the selected frequency (if the optional multiple frequencies are
installed).