TOA Electronics C-AL80(L) 用户手册

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• Before installation or use, be sure to carefully read all the instructions in this section in order to ensure long,

trouble-free operation.

• Be sure to follow all the precautionary instructions in this section, which contain important warnings

regarding safety.

• After reading, keep this manual handy for future reference.

Safety Symbol and Message Conventions
Safety symbols and messages are used in this manual to prevent bodily injury and property damage which
could result from mishandling. The conventions of the symbols and messages are described below. Before
doing anything else, read this section first so you are thoroughly aware of the potential safety hazards as well
as understanding the safety symbols and messages. 

Indicates a potentially hazardous situation which could result in death
or serious personal injury if ignored or mishandled.

• Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as

doingotherwise may result in fire or electric shock. 

• Use the unit only with the voltage specified on the unit. Using a voltage other than that which is specified

may result in fire or electric shock.

• Do not cut, kink, or otherwise damage or modify the power supply cord. Also, avoid using the power cord in

close proximity to heaters, and never place heavy objects, including the unit itself, on the power cord as
doing otherwise may result in fire or electric shock. 

• Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface.

Failure to follow this instruction may result in the unit falling down and causing personal injury. 

• Do not install the unit in close proximity to medical equipment since the electromagnetic wave from the unit

may adversely affect the medical equipment. 

• Do not place cups, bowls, or other containers of liquids or metal objects on top of the unit. If they

accidentally spill into the unit, this may cause a fire or electric shock. 

• Do not insert foreign objects, such as metal objects and flammable materials, into the unit through the unit's

ventilation slots, as this may result in fire or electric shock. 

• Do not touch a power supply plug during thunder and lightning, as this may result in an electric shock. 
• Do not open nor modify the unit's case to prevent a fire or electric shock because there are high voltage

components inside the unit. Refer all inspection, adjustment and repair work to the dealer from where the
unit was purchased. 

• Should any of the following irregularities be found during use, immediately switch off the power, disconnect

the power supply cord from the AC outlet and contact your TOA dealer.  Do not attempt to further use the
unit because a fire or electric shock may result. 

• If you detect smoke or a strange smell coming from the unit.
• If water or a foreign object enters the unit. 
• If the unit falls or the unit case breaks.
• If the power supply cord is damaged (exposure of core or disconnection).
• If no image is displayed. 

Underwriters Laboratories Inc. (UL) has not tested the performance or reliability of the security aspects
of this product.  UL has only tested for fire, shock or casualties as outlined in UL's Standard(s) for
Safety.  UL Certification does not cover the performance or reliability of the security hardware and
security operating software.  UL MAKES NO REPRESENTATIONS, WARRANTIES OR
CERTIFICATIONS WHATSOEVER REGARDING THE PERFORMANCE OR RELIABILITY OF ANY
SECURITY RELATED FUNCTIONS OF THIS PRODUCT.