Power Switch - Peavey XR 680C Operating Manual

POWER SWITCH (30)
Center position is OFF. Two ON positions are provided, one of which will properly ground the amplifier.
Switch to the ON side that yields the lowest amount of residual hum or popping noise when the instrument
is touched. 220 and 240 volt models utilize a two way On/Off switch only.
LINE CORD (120V PRODUCTS ONLY) (31)
For your safety, we have incorporated a 3-wire line (mains) cable with proper grounding facilities. It is not
advisable to remove the ground pin under any circumstances. If it is necessary to use the equipment without
proper grounding facilities, suitable grounding adaptors should be used. Less noise and greatly reduced shock
hazard exists when the unit is operated with the proper grounded receptacles.
EXTERNAL SPEAKER JACKS (32)
Provided for connection of external speaker cabinet. Minimum total impedance is 2 ohms.
LINE (MAINS) CORD RETAINERS (33)
Allow storage of mains cable lor travel.