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Safety Notices
Please read the following safety notices before installing or using this
phone. They are crucial for the safe and reliable operation of the device.
Please use the external power supply that is included in the package.
Other power supplies may cause damage to the phone, affect the behavior
or induce noise.
Before using the external power supply in the package, please check with
home power voltage. Inaccurate power voltage may cause fire and
damage.
Please do not damage the power cord. If power cord or plug is impaired,
do not use it, it may cause fire or electric shock.
The plug-socket combination must be accessible at all times because it
serves as the main disconnecting device.
Do not drop, knock or shake it. Rough handling can break internal circuit
boards.
Do not install the device in places where there is direct sunlight. Also do
not put the device on carpets or cushions. It may cause fire or breakdown.
Avoid exposure the phone to high temperature, below 0
℃
or high
humidity. Avoid wetting the unit with any liquid.
Do not attempt to open it. Non-expert handling of the device could
damage it. Consult your authorized dealer for help, or else it may cause
fire, electric shock and breakdown.
Multi-media Video Phone UTT-990 User Manual
