Huawei M865C - Manual (Page 73)

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• When you are on a call, do not touch the antenna. Touching the antenna
affects the call quality and results in increase in power consumption. As a
result, the talk time and the standby time are reduced.
• While using the device, observe the local laws and regulations, and respect
others' privacy and legal rights.
• Keep the ambient temperature between 32°F (0°C) and 113°F (45°C) while
the device is being charged. Keep the ambient temperature between 32°F
(0°C) and 113°F (45°C) for using the device powered by a battery.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To reduce the risk
of damage to hearing, lower the headset volume to a safe and comfortable
level.
Safety of Children
Comply with all precautions with regard to children's safety. Letting the child
play with your device or its accessories, which may include parts that can be
detached from the device, may be dangerous, as it may present a choking
hazard. Ensure that small children are kept away from the device and
accessories.
Accessories
Choose only batteries, chargers, and accessories approved for use with this
model by the device manufacturer. The use of any other type of battery,
charger, or accessory may invalidate any warranty for the device, may be in
violation of local rules or laws, and may be dangerous. Please contact your
dealer for information about the availability of approved batteries, chargers,
and accessories in your area.
Battery and Charger
• Unplug the charger from the electrical plug and the device when not in use.
• The battery can be charged and discharged hundreds of times before it
eventually wears out. When the standby time and the talk time are shorter
than the normal time, replace the battery.
• Use the AC power supply defined in the specifications of the charger. An
improper power voltage may cause a fire or a malfunction of the charger.