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350 Cable Survey System

DPN 402197 © TSS (International) Ltd Page 2 of 14

3.1 SDC INSTALLATION

WARNING

You must take precautions to secure the SDC when you store and operate this unit in

its transit case.

Protect personnel from the hazard of falling equipment and protect the unit from dam-

age when the survey vessel moves due to the action of waves.

Install cables away from walkways and secure them so they do not present a hazard to

personnel.

CAUTION

To avoid potential damage to the SDC, make certain it has sufficient ventilation to dis-

sipate the heat that it generates during normal operation.

If you mount the SDC in a 19-inch instrument rack you must allow a minimum 30mm

clearance between the top of the SDC and any other equipment mounted directly above

it in the rack. Also, allow a minimum 100mm space between the SDC rear panel and the

rear of the instrument rack to allow for connectors and cable routing

The SDC is a ruggedised IBM-compatible computer supplied by TSS in a shock-pro-

tecting transit case. You may operate the SDC in this transit case, or you may install it

into a 19-inch shock-protecting instrument rack. TSS does not supply the fixings that

you will need to install the SDC in a 19-inch instrument rack.

If you intend to change the communication method used by the 350 System, make the

necessary changes to the SDC before you install it into the instrument rack. Refer to

sub-section 4.2.2 for instructions to change the SDC communication method.

CAUTION

You might damage the SDC if you allow it to overheat. To operate the SDC inside its

transit case, release and remove the front and the rear access panels of the transit case

to allow effective ventilation and heat dissipation.

Although the SDC uses solid state electronics, the hard-disk drive and parts of the

display panel are susceptible to damage through shock or sustained vibration. You

must therefore exercise some care when you select a suitable location for this unit:

❐ Install the SDC where you have easy access to the controls. Choose a position for

the SDC that allows you to see the screen easily while you operate the ROV.

❐ If you do not mount the SDC in an instrument rack, use the original SDC transit

case to provide shock protection for the unit. Secure the transit case so that it can-

not slide or fall with movements of the vessel.

❐ Make certain there is sufficient ventilation space above the SDC to remove the

heat that it generates during normal operation. If necessary, use an electric fan to

provide additional ventilation.

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