Instruction manual

ENVIRONMENTAL REQUIREMENTS
Environmental Considerations for ATL Cordless Telephone Set
The ATL Cordless telephone set uses standard radio transmission technology to pass
communications between the handset and the base. This radio transmission is susceptible
to Radio Frequency Interference as explained on the previous page.
The ATL Cordless Telephone performs best when it is operated in an area free of the
following devices and materials:
● Metals (including steel, aluminum, etc. )
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metal reinforced ceilings
metal window frames
concrete reinforced with metal
sheet metal walls
steel I-beams
metal studs in walls
screens and fences.
● Some solid structures, such as:
— moist concrete walls
— brick walls
— steel reinforced concrete walls.
● Computing equipment (devices equipped with a microprocessor)
— personal computers
— facsimile machines
— communication system control units
— uninterruptible power supplies (UPS)
— copier machines.
● Electromagnetic sources
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industrial machinery
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electric motors.
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