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Important Safety Precautions and Explanation of Symbols
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important installation, operation, and service instructions in this manual.
The lightning ash with arrowhead symbol within an equilateral triangle is intended to
alert the user to the presence of uninsulated dangerous voltages within the enclosure
that may be of sufcient magnitude to constitute a risk of electrical shock to the user.
Please read this Installation and Operation Manual thoroughly before attempting to
install, congure, or operate the X-Ref subwoofer. After successful installation and
conguration of the X-Ref subwoofer, be sure to retain this manual in a safe place for
future reference.
Safety is a key component to a long lasting and trouble free installation. Please read
and follow all instructions and heed all warnings on the X-Ref subwoofer and in this
manual. The vast majority of the subsequent safety precautions are common sense. If
you are not comfortable with the installation of audio/video entertainment equipment,
you should seek the services of a qualied installation professional or call us for help.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
USE THE X-REF SUBWOOFER NEAR WATER OR IN WET LOCATIONS, DO NOT
EXPOSE IT TO RAIN OR MOISTURE, DO NOT EXPOSE IT TO DRIPPING OR
SPLASHING FROM OTHER SOURCES, AND ENSURE THAT NO OBJECTS FILLED
WITH LIQUIDS (SUCH AS VASES) ARE PLACED ON IT. DOING SO MAY RESULT
IN DAMAGE TO THE X-REF SUBWOOFER AND THE RISK OF ELECTRIC SHOCK TO
THE USER, WHICH MAY RESULT IN BODILY INJURY OR DEATH.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE
COVER FROM THE X-REF SUBWOOFER. THERE ARE NO USER-SERVICEABLE
PARTS INSIDE THE X-REF SUBWOOFER. REFER ALL SERVICE TO QUALIFIED
SERVICE PERSONNEL.
Do not install the X-Ref subwoofer near or above any heat sources such as radiators,
heating vents, or other apparatus that produces heat. Do not block any ventilation
openings or heat sinks.
Always install your X-Ref subwoofer according to the manufacturer’s instructions and
only use with attachments or accessories specied by the manufacturer.
Do not install the X-Ref subwoofer on any stand, shelf, or other piece of furniture that
is unable to support its weight or withstand the vibrations produced by a subwoofer in
normal operation. If a cart is used to move the X-Ref subwoofer, use caution to avoid
injury from tip-over.
Connect the X-Ref subwoofer only to power sources of the correct voltage and
frequency (between 90 VAC and 250 VAC, 50 Hz or 60 Hz).
Protect the power cord from being pinched, walked on, or otherwise damaged. Be
especially careful where the power cable enters the power outlet and X-Ref subwoofer
unit.
Only connect the X-Ref subwoofer to an electrical outlet or extension cord of
appropriate type and rating.
The power cable for the X-Ref subwoofer should be unplugged from the outlet during
severe electrical storms, or when unused for a long period of time.
Only replace the fuse in the X-Ref subwoofer with a fuse of proper value and voltage
rating.
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