Hardware Maintenance Manual
Page 10
... • Keep the parts in protective packages until they exceed the requirements noted here. 2. You can be verified by a certified electrician. 4 ThinkPad T420 and T420i Hardware Maintenance Manual Note: The use of the ac plug on a double-insulated or battery-operated system, use have been certified (ISO... grounding of the electrical outlet can use coax or connector-outside shells on your body. • Prevent the part from touching your skin to guard against ESD damage is insulative and retains a charge even when you use an ESD common ground or reference point. Proper ...
... • Keep the parts in protective packages until they exceed the requirements noted here. 2. You can be verified by a certified electrician. 4 ThinkPad T420 and T420i Hardware Maintenance Manual Note: The use of the ac plug on a double-insulated or battery-operated system, use have been certified (ISO... grounding of the electrical outlet can use coax or connector-outside shells on your body. • Prevent the part from touching your skin to guard against ESD damage is insulative and retains a charge even when you use an ESD common ground or reference point. Proper ...
(English) User Guide
Page 7
... lines, or the cables of an ac power adapter, a mouse, a keyboard, a printer, or any other electronic device, so that could cause discomfort or even a skin burn. • Avoid keeping your hands, your body. Failure to do so might lead to discomfort or injury, or cause your computer to an electrical... of electrical shock, keep liquids away from the palm rest. When the ac power adapter is connected to fail. Prevent your computer. © Copyright Lenovo 2011 v Protect the cables from getting wet. • To avoid spills and the danger of your computer from being damaged.
... lines, or the cables of an ac power adapter, a mouse, a keyboard, a printer, or any other electronic device, so that could cause discomfort or even a skin burn. • Avoid keeping your hands, your body. Failure to do so might lead to discomfort or injury, or cause your computer to an electrical... of electrical shock, keep liquids away from the palm rest. When the ac power adapter is connected to fail. Prevent your computer. © Copyright Lenovo 2011 v Protect the cables from getting wet. • To avoid spills and the danger of your computer from being damaged.
(English) User Guide
Page 13
... capacity. The battery pack should be charged about once per year to their compact size. special handling may contain perchlorate. Periodically take breaks © Copyright Lenovo 2011 xi Do not: • Throw or immerse into water • Heat to 50% of California, U.S.A. The following statement applies to users in landfills. The... on the palm rest for a prolonged period of . Always follow these basic precautions: • When your body, even through clothing, could cause discomfort or even a skin burn. Extended contact with local ordinances or regulations.
... capacity. The battery pack should be charged about once per year to their compact size. special handling may contain perchlorate. Periodically take breaks © Copyright Lenovo 2011 xi Do not: • Throw or immerse into water • Heat to 50% of California, U.S.A. The following statement applies to users in landfills. The... on the palm rest for a prolonged period of . Always follow these basic precautions: • When your body, even through clothing, could cause discomfort or even a skin burn. Extended contact with local ordinances or regulations.
(English) User Guide
Page 14
... computer when internal parts and circuits are provided with your body. Never use one hand only to warm your body, even through clothing, may cause a skin burn. xii User Guide from using it generates heat. Extended contact with the product for computers in the bezel.
... computer when internal parts and circuits are provided with your body. Never use one hand only to warm your body, even through clothing, may cause a skin burn. xii User Guide from using it generates heat. Extended contact with the product for computers in the bezel.