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Finally, some consideration should be given to the earthing arrangement of the system
at the centre of which are the console and the CPS2000 (and any other Soundcraft
power supply units). The console chassis is earthed, through the mains earth, via the
power supply. When rack-mounting the CPS2000(and any other Soundcraft power
supply units) care should be taken to avoid any possible ‘ground loops’ in the system
which would introduce audible hum to otherwise clean audio signals. Ground loops
may occur where signal processing equipment, patched to the console, has its signal
earth commoned to the equipment chassis. The ground loop is formed if this chassis
and the power supply chassis are in electrical contact through the fixing rails they
share in the rack. To avoid this situation, standard isolating washers may be employed
when fixing the power supply (or supplies) or any other unit into the rack.
W A R N I N G : THIS APPARATUS MUST BE
EARTHED. Under no circumstances should the mains
earth be disconnected from the CPS2000 power supply
unit.
GENERAL
As with all electrical/electronic equipment care should be taken when handling this
unit. Avoid general mishandling and do not drop. Avoid storage and operation in
dusty locations and do not expose to corrosive atmospheres.
To avoid risk of fire do not expose this unit to rain or
moisture.
Retain all packaging for transportation in the event of the unit requiring servicing.
Retain this manual safely, along with all other relevant documents.
For touring/mobile transportation it is advisable to install the CPS2000 in a flight case
to provide mechanical protection. Refer to your Soundcraft dealer for a suitable case.
Where the CPS2000 is enclosed in a touring case, provision must be made for adequate
ventilation to the rear of the unit to ensure unrestricted supply of air for the cooling
fan.
Use only the 16 Amp mains lead supplied, no other
type is to be used.
Use only the DC output lead supplied, no other type is
to be used.
Installation 9