4
17) Overloading
Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock.
18) Object and liquid entry
Never push objects of any kind into the product through openings as they may touch dangerous voltage
points or short out parts that could result in fire or electric shock. Never spill or spray any type of liquid on
the product.
19) Outdoor antenna grounding
If an outside antenna is connected to the product, be
sure the antenna system is grounded so as to provide
some protection against voltage surges and built up
static charges. Section 810 of the National Electric Code
ANSI/NFPA 70 provides information with respect to
proper grounding of the mast and supporting structure,
grounding of the lead-in wire to an antenna discharge
product, size of grounding conductors, location of
antenna-discharge product, connection to grounding
electrodes and requirements for the grounding
electrodes.
20) Service
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.
21) Replacement parts
When replacement parts are required, be sure the service technician uses replacement parts specified
by the manufacturer or those that have the same characteristics as the original parts. Unauthorized
substitutions may result in fire or 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) Damage requiring service
Unplug this product from the wall outlet and refer service to qualified service personnel under the
following conditions.
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 adjustment of other controls may result
in damage and will require extensive work by a qualified technician to restore the product to its
normal operation.
e) If the product has been dropped or the cabinet has been damaged.
f) When the product exhibits a distinct change in performance-this indicates a need for service.
25) Note to CATV system installer
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be
connected to the grounding system of the building, as close to the point of cable entry as practical.
NOTE:
Refer all servicing to qualified service personnel. Servicing is required when the unit has been damaged
in any way such as the following: the power-supply cordor plug has been damaged, liquid has been
spilled into unit, the unit has been exposed to rain or moisture, the unit has been dropped or the unit
does not operate normally.
Important Safety Instructions
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