Panasonic KX-NT303 Quick Reference Manual page 18

Important Information
Important Information
When using KX-DT300 series DPTs, keep the following
conditions in mind.
• If you are having problems making calls, unplug the extension line and
connect a known working telephone. If the known working telephone
operates properly, have the defective telephone repaired by an
authorised Panasonic factory service centre. If the known working
telephone does not operate properly, check the PBX and the internal
extension wiring.
• Wipe the unit with a soft cloth. Do not clean the unit with abrasive
powders or with chemical agents such as benzene or thinner.
• Use only the correct Panasonic handset.
• Do not disassemble this unit. Dangerous electrical shock could result.
The unit must only be disassembled and repaired by qualified service
technicians.
• If damage to the unit exposes any internal parts, immediately disconnect
the cable or cord.
• Never attempt to insert wires, pins, etc. into the vents or other holes of
this unit.
• This unit is designed to aid the visually handicapped to locate dial keys
and buttons.
• This unit is designed to be installed under controlled conditions of
ambient temperature and a relative humidity.
• Avoid installing the unit in damp or humid environments, such as
bathrooms or swimming pools.
• 999 and 112 can be dialled on the product after accessing the outside
line for the purpose of making outgoing calls to the BT emergency (999)
and (112) services (United Kingdom only).
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