Antennas
Outdoor Antenna Grounding: If an outside antenna or cable system is connected to the video product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built- up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70, provides information with respect to proper grounding of the mast and supporting structure, grounding of the
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
Ground Clamp | Antenna Lead |
| in Wire |
Use
Cleaning: Unplug this video product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
Object and Liquid Entry: Never push objects of any kind into this video product through openings as they may touch dangerous voltage points or short out parts that could result in a fi re or electric shock. Never spill liquid of any kind on the video product.
Lightning: For added protection for this video product receiver 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 video product due to lightning and power- line surges.
mally follow 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 qualifi ed technician to restore the video product to its normal operation.
When the video product exhibits a distinct change in
Replacement Parts: When replacement parts are required, be sure the service technician has used replacement parts specifi ed by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fi re, electric shock or other hazards.
Safety Check: Upon completion of any service or repairs to this video product, ask the ser-
Electric Service
Equipment
Ground Clamps
Power Service Grounding
Electrode System (NEC ART
250. PART H)
Antenna Discharge Unit
(NEC SECTION
Grounding
Conductors
(NEC SECTION
Service
Servicing: Do not attempt to service this video product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualifi ed service personnel.
Damage Requiring Service: Unplug this video product from the wall outlet and refer servicing to qualifi ed service personnel under the following conditions:
vice technician to perform safety checks to determine that the video product is in proper operating condition.
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 installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
•When the
•If liquid has been spilled, or objects have fallen into the video product.
•If the video product has been exposed to rain or water.
•If the video product has been dropped or the cabinet has been damaged.
If the video product does not operate nor-
iii