Polaroid TDM-1421C User Guide - Page 3

Important Safeguards 12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. 15. If an outside antenna or cable system is connected to the 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/NF PA No. 70-1984(Section 54 of Canadian Electrical Code, Part 1) 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 electrode. See following example. ANTENNA LEAD IN W IRE ANTENNA DISCHARGE UNIT (NEC SECTION 810-21) ELECTRIC SERVICE EQUIPMENT NEC-NATIONAL ELECTRICAL CODE GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POW ER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250 PART H) 16. Mains plug is used as the disconnect device. It shall remain readily operable and should not be obstructed during intended use. 2 Important safety instructions