Lenovo 147500112 - Manual (Page 18)

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Chapter 1. Important safety information
Excessive use of headphones or earphones for a long period of time at high
volume can be dangerous if the output of the headphones or earphone
connectors do not comply with specifications of EN 50332-2. The headphone
output connector of your computer complies with EN 50332-2 Sub clause 7.
This specification 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, combination of the headphones or earphones and the
computer already complies with the specifications 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
Plastic bags can be dangerous. Keep plastic bags away from babies and
children to avoid danger of suffocation.
(Safety Notice for users in Australia)
Do not connect phone line while using tablet mode.
(Notice for users in the U.S.A.)
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.
(GOST compliance mark)
Safety and General Information Guide V1.0_en.book Page 12 Friday, March 4, 2011 4:55 PM