MTX Audio SW2 - Manual (Page 4)

1. Read Instructions – All the safety and operating
instructions should be read before the product is
opened.
2. Retain Instructions – The safety and
operating instructions should be retained for future
reference.
3. Heed Warnings – All warnings on the product
and in the operating instructions should be adhered
to.
4. Follow Instructions – All operating and use
instructions should be followed.
5. Cleaning – Unplug this product from the wall
outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp cloth for cleaning.
Exception: A product that is meant for uninterrupted
service and that for some specific reason, such as
the possibility of the loss of an authorization code for
a CATV Converter, is not intended to be unplugged
by the user for cleaning or any other purpose, may
exclude the reference to unplugging the product in
the product in the cleaning description otherwise
required in above 5).
6. Attachments – Do not use attachments not
recommended by the product manufacturer as they
may cause hazards.
7. Water and Moisture – Do not use this product
near water – for example, near a bath tub, wash
bowl, kitchen sink, or laundry tub; in a wet
basement; or near a swimming pool; and the like.
8. Accessories – Do
not place this product on
an unstable cart, stand,
tripod, bracket, or table.
The product may fall,
causing serious injury to a
child or adult, and serious
damage to the product.
Use only with a cart,
stand, tripod, bracket,
or table recommended
by the manufacturer, or
sold with the product. Any mounting of the product
should follow the manufacturer’s instructions, and
should use a mounting accessory recommended by
the manufacturer.
9. A product and cart combination should be
moved with care. Quick stop, excessive force, and
uneven surfaces may cause the product and cart
combination to overturn.
10. Ventilation – Slots and openings in the cabinet
are provided for ventilation and to ensure reliable
operation of the product and to protect it from
overheating, and these openings must not be
blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug
or other similar surface. This product should not be
placed in a built-in installation such as a bookcase
or rack unless proper ventilation is provided or the
manufacturer’s instructions have been adhered to.
11. Power Sources – This product should be
operated only from the type of power source
indicated on the marking label. If you are not sure
of the type of power supply to your home, consult
your product dealer or local power company. For
products intended to operate from battery power, or
other sources, refer to the operating instructions.
12. Grounding or Polarization – This product may
be equipped with a polarized alternating-current
line plug (a plug having one blade wider than the
other). This plug will fit into the power outlet only
one way. This is a safety feature. If you are unable
to insert the plug fully into the outlet, try reversing
the plug. If the plug should still fail to fit, contact
your electrician to replace your obsolete outlet.
Do not defeat the safety purpose of the polarized
plug.
13. Power-Cord Protection – Power-supply cords
should be routed so that they are not likely to be
walked on or pinched by items placed upon or
against them, paying particular attention to cords
at plugs, convenience receptacles, and the point
where they exit from the product.
15. Outdoor Antenna Grounding – If cable
system is connected to the product, be sure the
cable system is grounded so as to provide some
protection against voltage surges and built-up static
charges.
16. Lightning – For added protection for this
product during a lightning storm, or when it is left
unattended and unused for long periods of time,
unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage
to the product due to lightning and power-line
surges.
17. Overloading – Do not overload wall outlets,
extension cords, or integral convenience
receptacles as this can result in a risk of fire or
electric shock.
18. Object and Liquid Entry – Never push objects
of any kind into this product through openings as
they may touch dangerous voltage points or short-
out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the product.
19. Servicing – Do not attempt to service this
product yourself as opening or removing covers
may expose you to dangerous voltage or other
hazards. Refer all servicing to qualified service
personnel.
20.a) When the power-supply cord or plug is
damaged.
b) If liquid has been spilled, or objects have
fallen into the product.
c) If the product has been exposed to rain or
water.
d) If the product does not operate normally by
following the operating instructions. Adjust
only those controls that are covered by
the operating instructions as an improper
adjustment of other controls may result in
damage and will often require extensive
work by a qualified technician to restore the
product to its normal operation.
e) If the product has been dropped or damaged
in any way.
21. Replacement Parts – When replacement
parts are required, be sure the service technician
has used replacement parts specified by the
manufacturer or have the same characteristics as
the original part. Unauthorized substitutions may
result in fire, electric shock, or other hazards.
22. Safety Check – Upon completion of any service
or repairs to this product, ask the service technician
to perform safety checks to determine that the
product is in proper operating condition.
23. Wall or Ceiling Mounting – The product
should be mounted to a wall or ceiling only as
recommended by the manufacturer.
24. Heat – The product should be situated away
from heat sources such as radiators, heat registers,
stoves, or other products (including amplifiers) that
produce heat .
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IN CASE OF TROUBLE
Your new subwoofer, once set-up and adjusted, should give you years of
listening enjoyment with your favorite movies and music. However, if you
should experience a problem with your unit, the following chart should help
you locate the trouble:
Problem
1) Subwoofer makes loud noise at turn-on.
2) Subwoofer has no output.
a) Status LED off
b) Red light on
c) Green light on
3) Subwoofer has little output.
4) Subwoofer output is distorted at high
volume.
5) Subwoofer output is distorted at low
volume.
6) Subwoofer makes hum or buzzing
noises.
Diagnosis
A) Muting circuit is defective.
Return unit for repair.
A) Line cord is not plugged in.
B) Line fuse is blown. Unplug line cord
from wall outlet,then check fuse.
C) Internal fuse is blown. Return unit for
repair.
A) No signal is reaching the unit.
Check connections from receiver or
preamplifier.
B) Power switch is turned off. Place switch
to “stand by” or “on” mode.
A) Signal is present, but input level control
is set at minimum.
A) Input level control is set too low.
B) If using high level inputs, right and left
channels are connected out of phase.
Check wiring.
A) Volume of subwoofer is too high,
causing amplifier to be over driven.
Reduce setting of input level control.
B) Signal from receiver, amplifier, or
preamplifier is distorted from being over
driven. Reduce main system volume or
bass tone control.
C) Subwoofer electronics are defective.
Return unit for repair.
A) Signal from receiver, amplifier, or
preamplifier is distorted from defective
electronics.
B) Signal connecting wires to subwoofer
are shorted. Check wiring.
C) Subwoofer electronics are defective.
Return unit for repair.
A) Grounding problem or ground loop
condition. Check wiring.
B) Isolate problem by removing all
connecting cables and turning up
subwoofer input level control. If
noise is still present, subwoofer
electronics are defective. Return
unit for repair.
IMPORTANT SAFETY INSTRUCTIONS