Lenovo 428742U Tablet User Manual


 
Electrical current safety information
DANGER
Electric current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
Do not use your computer during a lightning storm.
Do not connect or disconnect any cables or perform installation, maintenance, or reconguration
of this product during an electrical storm.
Connect all power cords to a properly wired and grounded electrical outlet.
Connect to properly wired outlets any equipment that will be attached to this product.
Whenever possible, use one hand only to connect or disconnect signal cables.
Never turn on any equipment when there is evidence of re, water, or structural damage.
Disconnect the attached power cords, battery pack, and all the cables before you open the
device covers, unless instructed otherwise in the installation and conguration procedures.
Do not use you computer until all internal parts enclosures are fastened into place. Never use
the computer when internal parts and circuits are exposed.
DANGER
Connect and disconnect cables as described in the following procedures when installing, moving,
or opening covers on this product or attached devices.
To connect:
1. Turn everything OFF.
2. Attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlets.
5. Turn devices ON.
To disconnect:
1. Turn everything OFF.
2. Remove power cords from outlets.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
The power cord must be disconnected from the wall outlet or receptacle before installing all other
electrical cables connected to the computer.
The power cord may be reconnected to the wall outlet or receptacle only after all other electrical
cables have been connected to the computer.
Liquid crystal display (LCD) notice
CAUTION:
The LCD is made of glass, and rough handling or dropping the computer can cause the LCD to break.
If the LCD breaks and the internal uid gets into your eyes or on your hands, immediately wash the
affected areas with water for at least 15 minutes; if any symptoms are present after washing, get
medical care.
Using headphones or earphones
If your computer has both a headphone connector and an audio-out connector, always use the headphone
connector for headphones (also called a headset) or earphones.
CAUTION:
Excessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of
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