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the equalizer to maximum increases the earphones and headphones output voltage and therefore the
sound pressure level.
Excessive use of headphones or earphones for a long period of time at high volume can be dangerous if the
output of the headphone or earphone connectors do not comply with specications of EN 50332-2. The
headphone output connector of your computer complies with EN 50332-2 Sub clause 7. This specication
limits the computer’s maximum wide band true RMS output voltage to 150 mV. To help protect against
hearing loss, ensure that the headphones or earphones you use also comply with EN 50332-2 (Clause 7
limits) for a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN
50332-2 can be dangerous due to excessive sound pressure levels.
If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of
the headphones or earphones and the computer already complies with the specications of EN 50332-1.
If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5
Limitation Values). Using headphones that do not comply with EN 50332-1 can be dangerous due to
excessive sound pressure levels.
Additional safety information
DANGER
Plastic bags can be dangerous. Keep plastic bags away from babies and children to avoid danger
of suffocation.
Notice for Tablet PC users
Safety Notice for users in Australia:
DANGER
Do not connect phone line while using tablet mode.
Notice for users in the U.S.A.
Many PC products and accessories contain cords, cables or wires, such as power cords or cords to connect
the accessory to a PC. If this product has such a cord, cable or wire, then the following warning applies:
WARNING
Handling the cord on this product or cords associated with accessories sold with this product will expose
you to lead, a chemical known to the State of California to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
Save these instructions.
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