Lenovo M5800 Desktop - Manual (Page 13)

12
Safety, Warranty, and Setup Guide
California Perchlorate Information:
Products containing manganese dioxide lithium coin cell batteries may contain
perchlorate.
Perchlorate Material - special handling may apply, See
www.dtsc.ca.gov/hazardouswaste/perchlorate
Polyvinyl Chloride (PVC) cable and cord notice
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.
Using headphones or earphones
If your computer has both a headphone connector and an audio line-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 the equalizer to maximum increases the earphone and
headphone output voltage and the sound pressure level. Therefore, to protect your
hearing, adjust the equalizer to an appropriate 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 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) or 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 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.
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