Klein 4900 Series Operation And Maintenance Manual page 50

3-20
CHAPTER 3 Setup and Test
Verify that the tow cable is connected to the SP-III TPU or Rack Mount TPU
3.
and the towfish.
4. Turn on the laptop computer or the SonarPro Workstation and wait for the
Windows desktop to appear.
the connection.
temperature climates, protect the towfish from direct exposure to the sun prior to and
during operation.
Do one of the following:
5.
• Turn on the SP-III TPU by switching the A/C-D/C switch to A/C for AC
• Turn on the Rack Mount TPU. The POWER and EQUALIZATION IN
Start SonarPro and observe that the towfish is transmitting by viewing the
6.
output pulse in the Sonar Viewer window. Also check that navigation data are
being displayed in the Information window.
If a GPS is connected, check that navigation data are being displayed in the
7.
Information window.
Select the 150-range and select the 455-kHz operation. Allow the TVG to
8.
normalize; it will take about two minutes.
Series 4900 Sonar System Operations and Maintenance Manual
NOTE For an SP-III TPU, should the DC power cord be connected with
the polarities reversed, the D/C POLARITY indicator will illuminate when
the A/C-D/C switch is switched to D/C. Should this situation occur, reverse
CAUTION Serious damage to the towfish electronics may occur if the
towfish is operated on deck for periods longer than fifteen minutes.
Between periods of operation, let the sonar cool for fifteen minutes. In high
operation or to D/C for DC operation. The PWR indicator should flash, and
the LOCK LOSS indicator should illuminate. After approximately 1
minute, the T/F PWR indicator should turn on. After an additional 15
seconds, the LOCK LOSS indicator should turn off, and the PWR indicator
should stop flashing and remain on.
PROCESS indicators should illuminate, and the SYS READY indicator
should flash. Then after approximately 1 minute, the EQUALIZATION IN
PROCESS indicator should turn off, the EQUALIZATION COMPLETE
and T/F POWER indicators should turn on, the SYS READY indicator
should stop flashing and remain on, and the STATUS TRIGGER indicator
should begin flashing at the ping rate of the sonar.
P/N 11210091, Rev. 02