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3.7.3
All of the controls and indicators are located on the side panel of the SP-III TPU as
shown in Figure 3-4 on page 3-11. They are the following:
PWR:
A/C-D/C:
T/F PWR:
T/F TRIG:
RESP TRIG:
LOCK LOSS:
D/C POLARITY:
3.8
System Activation and Test
The Series 4000 Sonar System should be activated and tested on deck and at sea
before starting an actual survey.
APPENDIX B: "Configuring and Updating the TPU/SP-III TPU."
3.8.1
To activate and test the system on deck:
Verify that the towfish has been properly set up and the system components
1.
connected.
Turn on the navigation system and let it acquire its location.
2.
Verify that the tow cable is connected to the towfish and to the TPU or to the
3.
SP-III TPU.
SP-III TPU Controls and Indicators
Green indicator that is illuminated when either AC
or DC power is on.
3-position switch that when switched to A/C, selects
AC power to power the TPU, and when switched to
D/C, selects DC power. With the switch in the center
OFF position, power is disconnected.
Blue indicator that is illuminated when 200 VDC is
being applied to the towfish.
Yellow indicator that flashes when the sonar pings.
Yellow indicator that flashes when a responder
trigger pulse is output.
Red indicator that illuminates when the telemetry
link with the towfish is interrupted or lost.
Red indicator that illuminates when the polarity of
the DC input power is reversed.
NOTE Should it be required to change the IP address, edit the startup.ini
file or update the software of the TPU, refer to APPENDIX B: "Configuring
and Updating the TPU/SP-III TPU." Similarly, for the SP-III, refer to
Activating and Testing the System on Deck
System Activation and Test
3-21
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