Canon XH G1S XH G1S / XH A1S Instruction Manual - Page 4

25. Outdoor Antenna Grounding - If an outside antenna is connected to the product, be sure the antenna 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. 70-1984, 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. See figure 1. Fig.1 EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ELECTRIC SERVICE EQUIPMENT NEC - NATIONAL ELECTRICAL CODE ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250. PART H) 26. Lightning - For added protection of this product during a lightning storm, or when it is left unattended and unused for long periods of time, disconnect it from the wall outlet and disconnect the antenna. This will prevent damage to the product due to lightning and power-line surges. 27. 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. 28. Overloading - Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock. 29. Objects 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. Be careful not to spill liquid of any kind onto the product. 30. 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. 31. Damage Requiring Service - Disconnect this product from the wall outlet and all power sources including battery, and refer servicing to qualified service personnel under the following conditions: a. When the power-supply cord or plug is damaged. b.If any liquid has been spilled onto, 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 even if you follow the operating instructions. Adjust only those controls that are covered by the operation instructions. 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 the 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. 32. Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts that are specified by Canon or that have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards. 33. 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 safe operating order. 34. Heat - The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. When replacement of power supply is required, please return it to the responsible nearest Canon Service Center and please replace it with the same type number CA-920. The Adapter can be used with a power supply between 100 and 240 V AC. Contact your Canon dealer for information about plug adapter for overseas use. 4