Installation manual

Start-up procedures
117
851-164574 / C
Actions in the sonar room
Note This procedure must be performed simultanously with the previous
procedure; Actions on the bridge.
The instructions marked Bridge are performed on the bridge.
1 Bridge: Start up the sonar.
2 Bridge: Check that the depth is sufficient for lower the
transducer
3 Bridge: Lower the transducer to middle position by giving
a short press on the middle button.
4 Bridge: Set the TX Power in the Horizontal menu to Low
and check that echoes appear on the display.
5 Check that the voltmeter on the HV Power unit shows
approximately 25 V.
6 Check that the TX Enable LED (TXEN) on the T IB board
starts flashing.
→ For location of the TXEN LED, refer to figure 38 on page
114.
7 Bridge: Set the TX Power in the Horizontal menu to
Medium, and check that the echoes become stronger.
8 Check that the voltmeter on the HV Power unit shows
approximately 50 V.
9 Bridge: Set the TX Power in the Horizontal menu to Full,
and check that the echoes become even stronger.
10 Check that the voltmeter on the HV Power unit shows
approximately 100 V.