3-13
3.
The NET status in DISCOVER should change from NET OFF to NET ON, as shown in
Figure 3-9: NET: ON
4.
Next, you should run a Tap Test. To do this, navigation to the Sub-Bottom Control Tab, shown in
Figure 3-10: The Sub-Bottom Control Tab
5.
In the Shortcut Toolbar, set Gain to either 0 or -3 dB, and then click Normalize Gain Button.
CAUTION!
Do not allow the transducers on the tow vehicle to continuously transmit
in air for an extended period, as damage to the transducers could occur.
6.
In the Sub-Bottom Control Tab, select a Transmit Pulse using the “Pulse” drop down. Set “Transmit
Level (%)” to “0”. Select the “Transmit On” checkbox.
7.
The transducers on the tow vehicle should begin transmitting (at zero power) and receive data
should begin scrolling on the display in the DISCOVER Main window from right to left.
8.
Tap the underside of the tow vehicle near the hydrophones with the handle of a screw driver,
while observing the Waterfall Display in the DISCOVER window. Streaks or noise spikes should be
visible in the Waterfall Display, as shown in
This verifies the receive channel is
operating.
Summary of Contents for Model 3100P Sub-bottom Sonar System
Page 24: ......
Page 29: ...2 5 Figure 2 4 Tiger Board Set SIBU aka Sonar Interface Board 0011637...
Page 33: ...2 9 Figure 2 6 SB 424 Towfish Outline Drawing...
Page 60: ...SECTION 5 TROUBLESHOOTING 5 4 Figure 5 1 35M Tow Cable Diagram 0002899...
Page 61: ...5 5 Figure 5 2 3100 P Topside Interconnect 0004674...
Page 62: ...SECTION 5 TROUBLESHOOTING 5 6 Figure 5 3 Wiring Diagram Spider Box SB 424 Tow Vehicle...
Page 63: ...5 7 Figure 5 4 Wiring Diagram SB 424 Tow Vehicle...
Page 64: ...SECTION 5 TROUBLESHOOTING 5 8 Figure 5 5 Wiring Diagram Spider Box SB 216S Tow Vehicle...
Page 65: ...5 9 Figure 5 6 Wiring Diagram SB 216S Tow Vehicle...
