Installation manual

Start-up procedures

109

851-164510 / Rev.E

9.5 Starting up the wheelhouse units

Introduction

If the AC mains plug on the SP90 Sonar Processor Unit has

been disconnected, the initial start of the sonar must be made by

pressing the start switch S101. This switch is located behind the

small lid on the front panel of the Sonar Processor Unit.

The AC mains plug must be disconnected when the vessel is in

dry dock etc. This in order to prevent inadvertent use of the

sonar, which in such case could cause serious damage to the

system.

Start up

Observe the following procedure for starting up the sonar.

1 Connect the Sonar Processor Unit’s AC mains plug.

2 Press the Power button on the display unit.

- Check that the text Sync... appears on the display. after

approximately 10 seconds.

3 Locate the start switch S101 behind the front door on the

front panel of the Processor Unit, and press the switch for

approximately two seconds.

4 Check that the green LED beside the Power buttononthe

Sonar Operating Panel starts blinking.

- The sonar is now loading up the sonar programme, and

after approximately two minutes, the sonar menu will

be displayed.

e32

Location of switch

S101 on the SP90

Sonar Processing

Unit