14.Protective Attachment Plug-Theproduct is equipped with an attachment plug having overload protection. This is a safety feature. See Instruction Manual for replacement or resetting of protective device. If replacement of the plug is required, be sure the service technician has used a replacement plug specified by the manufacturer that has the same overload protection as the original plug.
15.Outdoor Antenna Grounding-If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code ANSI/NFPA 70, provides information with regard to proper grounding of the mast an 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 131.1.
FIGURE | 131.1 | |
EXAMPLE OF ANTENNA | GROUNDING AS | PER |
NATIONAL ELECTRICAL | CODE ANSI/NFPA | 70 |
| ANTENNA |
| LEAD | IN |
WIRE
GROUND
CLAMP
DISCHARGE UNIT
ANTENNA
(NEC SECTION 810-20)
I | EQUIPMENT _ | J | _,GROUNDING |
| F [L_,_/ | CONDUCTORS (NEC SECTION 810-21) |
| ] | _ | GROUND CLAMPS |
_""-_-_-POWER SERVICE GROUNDING
NEC NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM (NEC ART 250 PART H)
$2898A
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.Power Lines-An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When instaling an outside antenna system, extreme care should be taken to keep from touching 6uch power lines or circuits as contact with them might be fatal.
18.Overloading-Do not overload wall outlets and extension cords as this can result in a risk of
fire or electric shock.
-4-
19.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.
20.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.
21.Damage Requiring Service-Unplugthis product from the wall 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 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 _nly 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 te 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.
22.Replacement Parts-When replacement parts are required, be sure the service technician
has used replacement parts specified by the manufacturer or have the same charact-
eristics as the original part. Unauthorized
substitutions may result in fire, electric shock, or other hazards.
23.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.
24.Wall or Ceiling Mounting-Theproduct should be mounted to a wall or ceiling only as recommended by the manufacturer.
25.Heat-The product should be situated away from heat sources such as radiators, heat
registers, stoves, or other products (including amplifiers) that produce heat.
