Additional safety information, Using headphones or earphones – Lenovo ThinkPad X1 Carbon Type 20A7 20A8 User Manual

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Additional safety information

Plastic bag notice

DANGER

Plastic bags can be dangerous. Keep plastic bags away from babies and
children to avoid danger of suffocation.

Choking hazard notice

CHOKING HAZARD – Product contains small parts.
Keep away from children under three years.

Polyvinyl Chloride (PVC) cable and cord notice

Many personal computer products and accessories contain cords, cables or wires,
such as power cords or cords to connect the accessory to a personal computer. 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.

Using headphones or earphones

CAUTION:
Excessive sound pressure from earphones and headphones can cause
hearing loss. Adjustment of the equalizer to maximum increases the
earphones and headphones output voltage and therefore 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

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