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15. Lightning: For added protection for this product during a lightning storm, or when the product is left
unattended and unused for long periods of time, unplug the product 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.
16. Power Lines: DO NOT locate the outside antenna in the vicinity of overhead power lines, or where it
can fall into such power lines or circuits. When installing an outside antenna system, take EXTREME
CARE to keep from touching such power lines or circuits as contact with them may be fatal.
17. Overloading: DO NOT overload wall outlets or extension cords as this can result in fire or electrical
shock.
18. Object and Liquid Entry: NEVER push objects of any kind into the slots or openings of this product.
Objects may be exposed to dangerous voltage points. This may also short out parts and may result in fire
or electrical shock.
DO NOT pour liquid of any kind into the slots or opening of this product.
19. Servicing: DO NOT attempt to service or repair this product yourself. There are no user serviceable
parts in this product. Opening or removing the chassis covers may expose you to dangerous voltages.
Refer all servicing to qualified technical personnel.
20. Damage Requiring Repair:
§
When the power supply cord or plug is damaged.
§
If the product has been exposed to water or rain.
§
If liquid of any kind has been spilled, or objects of any kind have fallen into the product.
§
If the product does not perform normally by following the operating instructions.
–
Adjust only those controls that are covered in this Operating Manual. An improper adjustment of other
controls may result in damage or misalignment, often requiring extensive corrective action by a
qualified technician.
§
If the product has been dropped or the chassis has been damaged.
§
If the equipment exhibits a distinct change in performance. (This may indicate a need for service.)
21. Replacement Parts: When replacement parts are required, make sure the qualified technician uses only
those parts recommended by the manufacturer. Unauthorized use of parts or substitutions may result in
fire, electrical shock or improper operation of the product.
22. Safety Check: Upon completion of any service or repair to the product, ask the qualified technician to
perform safety checks to ensure the product is in proper working condition.
23. Note to System Integrators: This reminder is provided to call the system integrator's attention to
Article 820-40 of the NEC. This article provides guidelines for proper grounding and, in particular,
specifies that cable ground shall be connected to the grounding system of the building, as close as
possible to the point of cable entry as practical.
DSR-4810 Operating Manual, Rev. B (4/09/00)
Important Safeguards
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