Final tests and measurements
145
851-164336 / D
Figure 46 Source Level (SL) measurements
TX enable
(CD5873)
TX
enable
External trigger
Vertical input
Oscilloscope
t (ms)
5 to 10 meters
Transducer
Hydrophone
0.5 ms
Up-p
46 49
Transceiver Unit
E201
3
Use a weight to keep the hydrophone in a stable vertical
position.
4
Lower the hydrophone and adjust the tilt on the sonar to get
maximum voltage on the oscilloscope at a tilt angle of 0
degrees.
5
Measure the time delay from the negative going
TX Enable
pulse to the transmitter pulse on the oscilloscope.
6
Enter the result into the
Measurements results
table.
→
The Measurement results table is shown as table 4 on page
146.
7
Read the peak-to-peak value of the transmitter pulse U(p-p).
8
Enter the results into the
Measurements results
table.
→
The Measurement results table is shown as table 4 on page
146.
Summary of Contents for Simrad SP70
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