Huawei Ascend G630-U20 Quick Start - Manual (Page 13)

Safety information
This section contains important information about the operation
of your device. It also contains information about how to use the
device safely. Read this information carefully before using your
device.
Electronic device
Do not use your device if using the device is prohibited. Do not use
the device if doing so causes danger or interference with other
electronic devices.
Interference with medical equipment
• Follow rules and regulations set forth by hospitals and health
care facilities. Do not use your device where prohibited.
• Some wireless devices may affect the performance of hearing
aids or pacemakers. Consult your service provider for more
information.
• Pacemaker manufacturers recommend that a minimum distance
of 15 cm be maintained between a device and a pacemaker to
prevent potential interference with the pacemaker. If using a
pacemaker, hold the device on the side opposite the pacemaker
and do not carry the device in your front pocket.
Protecting your hearing when using a headset
• To prevent possible hearing damage, do not listen at
high volume levels for long periods.
• Using a headset at high volumes may damage your hearing. To
reduce this risk, lower the headset volume to a safe and
comfortable level.
• Exposure to high volumes while driving may cause distraction
and increase your risk of an accident.