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13. LIGHTNING
T
the wall outlet and disconnect
the antenna or cable system. This wilI prevent damage to the unit due to lightning and power
line surges.
14. POWER LINES
AD
[]
to keep from touching such power lines or circuits as contact with them might be fatal.
15. OVERLOADING
Do not overload watt outlets and extension cords as this can result in a risk of fire or electric shock.
16. OBJECT AND LIQUID ENTRY
Do not push objects through any openings in this unit 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 into the unit.
17. OUTDOOR ANTENNA
GROUNDING
If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded to provide
some protection against voltage surges and built-up static charges. Section 810 of the National Electrical 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 unit, size of grounding conductors,
location of antenna discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
EXAMPLE OF ANTENNA GROUNDING
AS PER NATIONAL ELECTRICAL
CODE
_
ANTENNA
LEAD IN WIRE
ANTENNA
DISCHARGE
UNIT
----
(NEC SECTION 810-20)
ELECTRIC
SEVICE
GROUNDING
CONDUCTORS
EQUIPMENT
(NEO SECTION
810-21)
GROUND
CLAMPS
NEe NATIONAL
POWER SERVICE GROUNDING
ELECTRODE
SYSTEM
S2898A
(NEO ART 250, PART H)
18. SERVICING
Do not attempt to service this unit yourself as opening or removing covers may expose you to dangerous voltage or other
hazards. Refer all servicing to qualified service personnel.
19. DAMAGE REQUIRING SERVICE
Unplug this unit from the watt outlet and refer servicing 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 unit.
c.
If the unit has been exposed to rain or water.
d.
If the unit 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 unit to its normal operation.
e.
If the unit has been dropped or the cabinet has been damaged.
f.
When the unit exhibits a distinct change in performance,
this indicates a need for service.
20. 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 part.
Unauthorized
substitutions
may result in fire, electric shock or other hazards.
21. SAFETY CHECK
Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to determine that
the unit is in proper operating condition.
22. HEAT
The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including
amplifiers) that produce heat.
23. NOTE TO CATV SYSTEM INSTALLER
This reminder is provided to call the CATV system instatter'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.
3
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