3
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates a hazardous situation which, if not avoided, will or
could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance degradation, or unexpected results.
Provides additional information to emphasize or supplement
important points of the main text.
Safety Instruction
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The working temperature of the device is from -30 °C to 50 °C .
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All the electronic operation should be strictly compliance with the electrical safety
regulations, fire prevention regulations and other related regulations in your local
region.
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Please use the power adapter, which is provided by normal company. The power
consumption cannot be less than the required value.
z
Do not connect several devices to one power adapter as adapter overload may
cause over-heat or fire hazard.
z
Please make sure that the power has been disconnected before you wire, install or
dismantle the device.
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When the product is installed on wall, the device shall be firmly fixed.
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If smoke, odors or noise rise from the device, turn off the power at once and
unplug the power cable, and then please contact the service center.
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If the product does not work properly, please contact your dealer or the nearest
service center. Never attempt to disassemble the device yourself. (We shall not
assume any responsibility for problems caused by unauthorized repair or
maintenance.)
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Do not drop the device or subject it to physical shock, and do not expose it to high
electromagnetism radiation. Avoid the equipment installation on vibrations
surface or places subject to shock (ignorance can cause equipment damage).
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Do not place the device in extremely hot (refer to the specification of the device
for the detailed operating temperature), cold, dusty or damp locations, and do not
expose it to high electromagnetic radiation.
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The device cover hall should be kept from rain and moisture.
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Exposing the equipment to direct sun light, low ventilation or heat source such as
heater or radiator is forbidden (ignorance can cause fire danger).
