Cetacea Sound PAS I Presentation Audio System Owner's Manual - Manual (Page 3)

Connecting the Power Cord
Page 3
POWER ADAPTER
Long slot is neutral (ground) side. Insert the wide blade into
the ground side slot of the wall receptacle.
Caution: To prevent electric shock do not use this (polarized)
plug with an extension cord, receptacle or other outlet unless
the blades can be fully inserted to prevent blade exposure.
Short plug on end opposite blades fits receptacle in base of
volume control knob. It fits only one of the two receptacles,
do not use force.
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.