Main Power Fuse; Rear Panel Controls; Mains Voltage Selector Switch; Mains Power Switch - BSS Audio DPR 404 User Manual

Rear panel controls

8.11 Main power 20mm, T160mA for 240v AC voltage setting and T250mA for 120v AC voltage
setting
fuse
9.0 Rear panel controls
9.1 Mains voltage
Allows operation from 90v-130v or 190v-250v 50/60Hz AC mains voltage.
selector switch
9.2 Mains power
Turns the unit on/off.
switch
9.3 Mains voltage
Allows operation from 90V-130V or 190V-250V 50/60Hz AC mains voltage.
selector switch
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