
Start-up procedures
160573/A
THE TRANS,
EII
U N
Starting up the Transceiver Unit
Remove the fuses F204 and F205 on the
HV power
unit
(refer to figure
1).
Start up the Transceiver
Unit by setting the service
switch S202 on the power supply to
SERVICE position
(refer to figure
1).
Check that the fans are
starting and that the lamps
L20 1
L202
, L203, L204 on the power supply illuminate.
Check that only L205 on the HV power unit illuminates.
Check that the following small
LEDs on the Transceiver
Interface Board (TIB) illuminate (refer to the
indication
on the front of the power supply):
+8 V, -8 V, +5 VA
, -
5 VA, +5 V, +12 V, -
12 V, +24
V and
+24 V stand-
Switch off the Transceiver Unit by setting the service
switch S202 on the power supply to
NORMAL position.
Start up the Sonar Control Unit in the
wheelhouse by
pressing the ON/OFF-HOIST button~
Check that the Transceiver Unit starts up, and that after
some seconds the two LEDs on the top of the SPB-
circuit board start blinking. SPB-31 is located as circuit
board no. 2 on the left-hand side of the power supply.
Switch off the Sonar Control Unit and check that the
Transceiver Unit is switched off.
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