Lenovo 30121JU Lenovo 3000 C300 Safety and Warranty Guide(AIO) V1.1 - Page 4
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UPC - 884942141119
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Contents Chapter 1 Important safety information 1 Conditions that require immediate action 1 General safety guidelines 3 Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 10 Laser compliance statement 11 Power supply statement 11 Products with television tuner options installed 12 Note to CATV system installer 12 Example of antenna grounding 13 Data safety 14 Cleaning and maintenance 14 Using headphones or earphones 15 Additional safety information 15 Contents 1 31037314B_SWG(AIO)_EN_V1.1.indd 1 2009.4.13 2:55:08 PM