LG Optimus 3D User Manual page 13

please ensure that the volume is at a reasonable level
so that you are aware of your surroundings. This is
particularly important when near roads.
Avoid damage to your hearing
Damage to your hearing can occur if you are exposed
to loud sound for long periods of time. Therefore we
recommend not to turn the phone on or off while holding
the handset close to your ear. We also recommend that
music and call volumes are set to a reasonable level.
When using headphones, turn the volume down if
•
you cannot hear the people speaking near you, or if
the person sitting next to you can hear what you are
listening to.
NOTE:
Excessive sound pressure from earphones
can cause hearing loss.
Glass Parts
Some parts of your mobile device are made of glass.
This glass could break if your mobile device is dropped
on a hard surface or receives substantial impact. If the
glass breaks, do not touch or attempt to remove. Stop
using your mobile device until the glass is replaced by
an authorized service provider.
Blasting area
Do not use the phone where blasting is in progress.
Observe restrictions, and follow any regulations or rules.
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