頁面 4, Important safety instructions – Singing Machine SML383 User Manual

Page 4

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15. Lightning

16. Power Lines

17. Overloading

18. Object and Liquid Entry

19. Servicing

20. Damage Requiring Service

21. Replacement Parts

22. Safety Check

23. W a ll or Ceiling Mounting

24.

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.

electric light or power circuits, or where it can fall in to such power lines or circuits. When installing an outside
antenna system, extreme care should be t a ken to keep from touching such power lines or circuits as contact
with them might be fatal.

result in a r isk of fire or electric shock.

touch dangerous voltage points or short-out p arts that could result in a f ire or electric shock. Never spill liquid of
any kind on the product.

dangerous voltage or other hazards. Refer all servicing to qualified service personnel.

personnel under the following conditions:

a)

When the power-supply cord or plug is damaged,

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 i mproper adjustment of other controls may
result in damage and will of ten require extensive work by a q ualified technician to restore the product to

When the product exhibits a distinct change in performance - this indicates a need for service.

- When replacement p a rts are required, be sure the service technician has used

replacement p a rts specified by the manufacturer or have the same characteristics as the original p a rt.
Unauthorized substitutions may result in fire, electric shock, or other hazards.

safety checks to determine that the product is in p

roper operating condition.

manufacturer.

other products (including amplifiers)that produce heat.

25. Unplug this apparatus during lighting storms or when unused for long periods of time.

14. Outdoor Antenna Grounding - If an outside antenna is

connected to the receiver, be sure the antenna system is
grounded so as to p rovide some protection against voltage surges
and built-up sta

tic charges. Article 810 of t he National Electrical

Code, ANSI/NFPA70, provides information with regard to proper
grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna-discharge unit, size of grounding
conductors, location of antenna-discharge unit, connection to
grounding electrodes, and requirements for the grounding
Electrode. See figure:

E3

ANTENNA
LEAD IN
WIRE

ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)

GROUNDING CONDUCTORS
(NEC SECTION 810-21)

GROUND CLAMPS

POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART250. PARTH)

GROUND
CLAMP

ELECTRIC
SERVICE
EQUIPMENT

NEC-NATIONAL ELECTRICAL CODE
S2898A

- For added protection for this product during a l ightning storm, or w

hen it is l e ft unattended and

- An outside antenna system should not be located in the vicinity of over head power lines or other

- Do not overload wall outlets, extension cords, or integral convenience receptacles as this can

- Never push objects of a

ny kind in to this product through openings as t hey may

- Do not attempt to service this product yourself as opening or removing covers may expose you to

- Unplug this product from the wall outlet and refer servicing to qualified service

liquid has been spilled, or objects have fallen into the product,
If the product has been exposed to rain or water,

its normal operation.
If the product has been dropped or damaged in anyway, and

b)
c)
d)

e)
f)

- Upon completion of any service or repairs to this product, ask the service technician to perform

- The product should be mounted to a w

all or ceiling only as recommended by the

Heat - The product should be s

ituated away from heat sources such as r adiators, heat registers, stoves, or

26. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental

capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety.

27. Children should be supervised to ensure that they do not play with the appliance.

28. Ensure children and babies do not play with plastic bags or any packaging materials.

IMPORTANT SAFETY INSTRUCTIONS

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