Sony HT-DDW840 Operating Instructions Manual page 12

Setting the voltage selector
If your receiver has a voltage selector on the
rear panel, check that the voltage selector is set
to the local power supply voltage. If not, use a
screwdriver to set the selector to the correct
position before connecting the AC power cord
to a wall outlet.
To a wall outlet
AC power cord
Connecting the AC power
cord
Before connecting the AC power cord of this
receiver to a wall outlet, connect the speaker
system to the receiver (page 13).
Connect the AC power cord(s) of your audio/
video components to a wall outlet.
12 G8