Installation manual

Start-up procedures
113
851-164300 / C
Actions on the bridge
Note This procedure must be performed simultanously with the next
procedure; Actions in the sonar room.
The instructions marked Sonar room are performed in the sonar
room.
1 Start up the sonar.
2 Sonar room: Check that the Transceiver Unit starts up after
approximately one minute, and that the two LEDs marked
D5 and D6 on the top of the circuit board start to flash.
3 Sonar room: Check that the 80V LE D on the Power Control
Unit is lit.
→ For location of the LEDs, refer to figure 38 on page 112.
4 Check that the depth is sufficient for lowering of the
transducer.
5 Lower the transducer to middle position by giving a short
press on the Middle button.
6 Set the TX Power in the Horizontal menu to Narrow,and
check that echoes appear on the display.
7 Sonar room: Check that the LED marked D9 on the circuit
board starts to flash to indicate every transmission.
If the Hull Unit is installed differently from the recommended
orientation, the echo picture on the display must be aligned to show
the echoes in correct position.
→ Refer to Alignment of the sonar picture on page 116.