T+A HV Series User Manual page 50

POWER SUPPLY
Digital power supply
Analogue power supply
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To avoid any coupling of unwanted noise signals from the digital power
supply to the analogue power supply of the MP 3100 HV, the digital and
analogue power supplies are located in separate shielded compartments on
the left and right sides of the device. For best possible separation the power
supplies have their own separate power supply sockets.
Always connect both mains sockets to the mains supply when operating the
SDV 3100 HV.
The mains lead for the digital power supply is plugged into this socket.
The mains lead for the analogue power supply is plugged into this socket.
For correct connections refer to the sections 'Installation and wiring' and
'Safety notes'.