Lenovo A3500F Manuel - Page 7

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and handling information

Important safety

Prevent hearing damage

Your device 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 your device complies with EN 50332-2

Sub clause 7. This specification limits the device'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 device came with headphones or earphones in the package, as a set,

the combination of the headphones or earphones and the device 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.

Sound pressure warning statement

For the device that is tested in accordance with EN 60950-1:

2006+A11:2009:+A1:2010+A12:2011, it is mandatory to perform audio tests

for EN50332.