Installation manual

Start-up procedures
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7 Start up the sonar in the wheelhouse by pressing the Power
button on the Operating Panel for approximately two
seconds.
8 Check that the Transceiver Unit starts up after approximately
two minutes, and the two LEDs marked COM on the top of
the SPB-31 circuit board starts to fl ash.
→ The COM and TXEN. LEDs are shown on figure 38 on page 114.
9 Switch off the sonar, and check that the Transceiver Unit is
switched off as well.