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 to 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
.
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
.
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
.
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 operational condition
.
The product should be mounted to a wall or ceiling only as recommended by the manufacturer
.
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 and require extensive work by a qualified technician
to restore in 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
.
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 cord
or 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.
25) Note to CATV system installer
24) Damage requiring service
23) Wall or ceiling mounting
22) Safety check
21) Replacement parts
20) Service
