Cleaning And Maintenance; Disposal And Recycling Information - Huawei HG635 Quick Start Manual


If the power cable is damaged (for example, the cord is exposed or broken), or the plug
loosens, stop using it at once. Continued use may lead to electric shocks, short circuits, or
fire.

Do not touch the power cord with wet hands or pull the power cord to disconnect the power
adapter.

Do not touch the device or the power adapter with wet hands. Doing so may lead to short
circuits, malfunctions, or electric shocks.

If your power adapter has been exposed to water, other liquids, or excessive moisture, take
it to an authorized service center for inspection.

Ensure that the power adapter meets the requirements of Clause 2.5 in
IEC60950-1/EN60950-1/UL60950-1 and has been tested and approved according to
national or local standards.

Cleaning and maintenance


During storage, transportation, and operation of the device, keep it dry and protect it from
collision.

Keep the device and accessories dry. Do not attempt to dry it with an external heat source,
such as a microwave oven or hair dryer.

Do not expose your device or accessories to extreme heat or cold. These environments may
interfere with proper function and may lead to fire or explosion.

Avoid collision, which may lead to device malfunctions, overheating, fire, or explosion.

If the device is not going to be used for an extended period of time, power it off, and
remove all cables connected to it.

If anything unusual occurs (for example, if the device emits smoke or any unusual sound or
smell), immediately stop using it, power it off, remove all cables connected to it, and
contact an authorized service center.

Do not trample, pull, or excessively bend any cable. Doing so may damage the cable,
causing the device to malfunction.

Before you clean or maintain the device, stop using it, stop all applications, and disconnect
all cables connected to it.

Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and
benzene) to clean the device or accessories. These substances may cause damage to parts
or present a fire hazard. Use a clean, soft, and dry cloth to clean the device and accessories.

Do not place magnetic stripe cards, such as credit cards and phone cards, near the device
for extended periods of time. Otherwise the magnetic stripe cards may be damaged.

Do not dismantle or remanufacture the device and its accessories. This voids the warranty
and releases the manufacturer from liability for damage. In case of damage, contact an
authorized service center for assistance or repair.

Disposal and Recycling Information

This symbol (with or without a solid bar) on the device, batteries (if included),
and/or the packaging, indicates that the device and its electrical accessories (for
example, a headset, adapter, or cable) and batteries should not be disposed of as
household garbage. These items should not be disposed of as unsorted
municipal waste and should be taken to a certified collection point for recycling
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