Simrad SP270 Installationshandbuch PDF herunterladen (Seite 92)

Simrad SP 270

Starting,

u;p.

.the+.

stand~

by power su pply

In order to start up the sonar units

, the 24 VDC stand-by power

supply in the Transceiver Unit has to be

started up first. Refer

to figure 1 and use the

following procedure to start

up the

stand-by power supply:

Check that the mains

input connector P201 on the front

of the power

supply in the

Transceiver Unit

disconnected.

Check that the switch S202 on the front of the power

supply is set to OFF (middle) position.

Insert the mains fuses to the

Transceiver Unit on the

ship s mains switchboard.

Measure the mains voltage supplied to the Transceiver

Unit.

Write the measured voltage here...................

VAC.

Check if the voltage selector switches S201 on the power

supply and S203 on the HV power unit correspond to the

measured voltage (115V or 230V position).

Reinsert the mains input connector

P201 on the front of

the power supply.

Check that the lamps L201 and L202 on the front

of the

power supply illuminate.

Check that the small LED (Light Emitting Diode) for the

+24V stand-

by power on the

Transceiver Interface Board

(TIB) illuminates (refer to indication on

the front of the

power supply).

Now the 24 VDC stand-by power is supplied both to the Hull

Unit and to the

connector for the Sonar Control Unit.

160573/A

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