i
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
C A U T I O N
RISK OF ELECTRIC SHOCK
DO NOT OPEN
• Explanation of Graphical Symbols
The lightning flash with the arrowhead symbol
within an equilateral triangle, is intended to alert
you to the presence of uninsulated “dangerous
voltage” within the product’s enclosure that may
be of sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral tri-
angle is intended to alert you to the presence of
important operating and maintenance (servic-
ing) instructions in the literature accompanying
the appliance.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK.
DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
IMPORTANT!
Please record the serial number of this unit in the space below.
Model:
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future reference.
OWNER’S MANUAL
SUBWOOFER SYSTEM
YST-SW
20
Active Servo
Technology
