Guidelines for safe and effi cient use (continued)
if you are exposed to loud sound for
long periods of time. We therefore
recommend that you do not turn on or
off 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.
16
NOTE: Excessive sound pressure
from earphones and headphones
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 a substantial
impact. If the glass breaks, do not touch