Zenith SENTRY 2 SY2500 Operating Manual & Warranty

Contents

mSAFETY TIPS14. Outdoor Antenna GroundingIf an outside antenna or cable system is connectedto the product, be sure the antenna or cable systemis grounded so as to provide some protectionagainst voltage surges and built-up static charges.Article 810 of the National Electrical Code(U.S.A.), ANSI/NFPA 70 provides informationwith regard to proper grounding of the mast andsupporting structure, grounding of the lead-in wireto an antenna discharge unit, size of grounding con-ductors, location of antenna-discharge unit,connection to grounding electrodes, and require-ments for the grounding electrode.EXAMPLE OF GROUNDING ACCORDING TONATIONAL ELECTRICAL CODE INSTRUCTIONSGround _--__ Antenna Lead in WireClamp".,,,,,.,,._ "[[ [ "_ Antenna Discharge UnitGrounding Conductors[ Electric Service I ]_.,_........._,/_ (NEC Section 810-21)l E0o,,_eot..q_ /_//I S Ground Clamps-_ I_ill i .- / ._-......._ Power Service GroundingElectrode System (NECArt 250, Part H)NEC - NATIONAL ELECTRICAL CODE15. LightningFor added protection for this product (receiver) dur-ing a lightning storm, or when it is left unattendedand unused for long periods of time, unplug it fromthe wall outlet and disconnect the antenna or cablesystem. This will prevent damage to the productdue to lightning and power-line surges.16. Power LinesAn outside antenna system should not be located inthe vicinity of overhead power lines or other elec-tric light or power circuits, or where it can fall intosuch power lines or circuits. When installing an out-side antenna system, extreme care should be takento keep from touching such power lines or circuitsas contact with them might be fatal.lET. OverloadingDo not overload wall outlets and extension cords asthis can result in a risk of fire or electric shock.18.19.20.Object and Liquid EntryNever push objects of any kind into this productthrough openings as they may touch dangerous volt-age points or short-out parLs that could result in afire or electric shock. Never spill liquid of any kindon the product.ServicingDo not attempt to servicz this product yourself asopening oi' removing covers may expose you to dan-gerous voltage or other hazards. Refer all servicingto qualified service personnel.Damage Requiring ServiceUnplug this product from the wall outlet and referservicing to qualified service personnel under thefollowing conditions:a. If the power-supply cord or plug is damaged.b. If liquid has been spilled, or objects have falleninto the product,c. If the product has been exposed to rain .or water.d. If the product does not operate normally by fol-lowing the operating instructions. Adjust onlythose controls that are covered by the operatinginstructions as an improper adjustment ,of othercontrols may result in damage and will often re-quire extensive work [z.ya qualified technicianto restore the product to its normal operation.e. If the product has been dropped or the cabinethas been damaged.f. If the product exhib!its a distinct ch;mge, in per-formance.21. Replacement PartsWhen replacement parts are required, be sure theservice technician has used replacement parts speci-fied by the manufacturer or have the samecharacteristics as the orignal part. Unauthorizedsubstitutions may resull in fire, electric shock, orother hazards.22. Safety CheckUpon completion of any service or repairs to thisproduct, ask the service technician to performsafety checks to determine that the product is inproper operating condition.23. Wall or Ceiling MountingThe product should be mounted to a wall or ceilingonly as recommended by the manufacturer.24. HeatThe product should be situated away from heatsources such as radiators, heat register% stoves, orother products (including amplifiers) that produceheat.ENGSAF4 iv