Lenovo A2010 Skrócona instrukcja obsługi - Strona 8
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Charging
Lenovo is not responsible for the performance or safety of products
not manufactured or approved by Lenovo. Use only approved Lenovo
ac adapters and batteries. Adapter shall be installed near the
equipment and shall be easily accessible.
Prevent hearing damage
The Lenovo Phone has a headphone 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 the Lenovo Phone complies with
EN 50332-2 Sub clause 7. This specification limits the Lenovo
Phone'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 the Lenovo Phone came with headphones or earphones in the
package, as a set, the combination of the headphones or earphones
and the Lenovo Phone 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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