Huawei eSpace 7910 User Manual page 9

Safety Precautions
• While connecting or disconnecting any cables, make sure that your hands are dry.
• Do not step on, pull, or bend any cable excessively; doing so may cause damage or device malfunction.
• Do not use old or damaged cables.
• Keep the power plug clean and dry, to prevent electric shock or dangerous situations.
• During lightning, disconnect the device from the power supply, and unplug all the cables connected to
the device, such as the power cable and the telephone cable, to avoid short circuit caused by lightning
strike.
• If you do not use the device for a long time, disconnect it from power supply.
• If smoke, unusual sound, or smell is emitted from the device, stop using the device immediately,
disconnect the power supply, and unplug the power supply and other cables. Contact an authorized
maintenance centre for advice and repair.
• Make sure that no objects fall into the device through the speaker.
• Before cleaning the device, stop using it, disconnect the power supply, and unplug all cables, such as
the power cable and the telephone cable.
• Do not clean the device's surface with any cleaning solution or cleanser spray. Use a piece of soft cloth
to clean the device shell.
• Do not expose the LCD to direct sunlight.
• Do not press, scratch, or damage the LCD; do not place heavy objects on top of it.
• Do not look at the display screen for a long time. This may harm your eyes or blur your vision.
• According to the instructions given in the attached manual, use a piece of soft cloth to remove dust
from the surface of the LCD.
• Do not clean the screen with volatile solvent, such as alcohol, benzene or dilution agent. Do not press
rubber or plastic against the screen as it might deteriorate the surface gloss of the LCD.
Do not dispose of the device and the accessories in a garbage can. Dispose the device according to local
regulations on disposing of packing materials, exhausted batteries and abandoned devices, and support
recycling activities.
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CLEANING REQUIREMENTS
LCD USAGE REQUIREMENTS
LCD CLEANING REQUIREMENTS
ENVIRONMENTAL PROTECTION
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eSpace 7910 IP Phone User Guide One Net