Huawei EchoLife OT925-G User Manual page 30

EchoLife OT925-G
User Guide
Usage Precautions
Cleanness Precautions
Issue 02 (2007-08-30)
The voltage of the power supply must meet the input voltage requirement.
After the device is powered off, wait at least 10s before next power-on.
Before connecting or disconnecting any cables, stop using the device and
turn off the power supply.
Keep your hands dry before connecting or disconnecting any cables.
Do not trample, drag, or over bend cables to avoid device fault.
Do not use damaged or aged power cables.
Turn off the power supply and unplug the power connector if the device is not
used for a long time.
Do not look directly at the optical port lest your eyes be burnt.
For any abnormal cases, such as device smoking, audio exception, and
peculiar smell, turn off the power supply and unplug the power connector. At
the same time, contact the dedicated maintenance department.
Prevent any object (such as metal) from entering the device from the heat
dissipation net.
Do not open the shell of the device when the device is running (even if no
power is used) to avoid electric shock.
Before cleaning the device, stop using it and turn off the power supply.
Use a soft and dry cloth to clean the shell of the device.
Keep the power connector clean and dry to avoid electric shock.
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