Yamaha PC-8 PC-8 OWNERS MANUAL - Page 4

CAUT O.] (2L PARED IN ACC'e DANCE WITH UL SIA HD:-,,VID 1270) 1. Read Instructions - All the safety and operating instructions should be read before the appliance is operated. 2. Retain Instructions - The safety and operating instructions should be retained for future reference. 3. Head Warnings - All warnings on the appliance and in the operating instructions should be adhered to. 4. Follow Instructions - All operating and other instructions should be followed. 5. Water and Moisture - The appliance should not be used near water - for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near swimming pool, etc. 6. Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufacturer. 7. Wall or Ceiling Mounting -• The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer. 8. Ventilation - The appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. 9. Heat - The appliance should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat. 10. Power Sources -- The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance. 11. Power-Cord Protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance. 12. Cleaning - The appliance should be cleaned only as recom- mended by the manufacturer. 13. Nonuse Periods - The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. 14. Object and Liquid Entry -- Care should be taken so that ob- jects do not fall into and liquids not spilled into the inside of the appliance. 15. Damage Requiring Service - The appliance should be ser- viced by qualified service personnel when: A. The power-supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the ap- pliance; or C. The appliance has been exposed to rain; or D. The appliance does not appear to operate normally or exhibits a marked change in performance; or E. The appliance has been dropeed, or the cabinet damaged. 16. Servicing - The use should not attempt to service the ap- pliance beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel. 17. Power Lines - An outdoor antenna should be located away from power lines. 18. Outdoor antenna grouding - If an outside antenna is con- nected to the tuner, be sure the antenna 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 - 1981, 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 GROUDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS Ground Clamp Mast Antenna Lead-in Wire Groudn Wire Antenna Discharge Unit To Tuner or Receiver Ground Wire SB1682 Ground Clamps Grounding Electrode Driven 8' Into the Earth (2.44 Meters) a. Use No. 10 AWG (5.3 mm2) copper, No. 8 AWG (8.4 mm2) aluminium, No. 17 AWG (1.0 mm2) copper-clad steel or bronze wire, or larger, as ground wire. c. Secure antenna lead-in and ground wire to house with- standoff insulators spaced from 4 feet (1.22 meters) to 6 feet (1.83 meters) apart. c. Mount antenna discharge 'unit as closely as possible to where lead-in enters house. 4