Other Information; Handset - Panasonic KX-T7737 Quick Reference Manual

• If you are having problems making calls, unplug the extension and connect a known
working telephone. If the known working telephone operates properly, have the
defective telephone repaired by an authorized Panasonic Factory Servicenter. If the
known working telephone does not operate properly, check the PBX System and
the internal extension wiring.
• Keep the unit away from heating appliances and devices that generate electrical
noise, such as fluorescent lamps, motors and televisions. These noise sources can
interfere with the performance of the unit. It also should not be placed in rooms
where the temperature is less than 5
10 cm (3-15/16 in) clearance around the unit for proper ventilation.
Avoid environments with excessive smoke, dust, mechanical vibration, shock, or
direct sunlight.
• Wipe the unit with a soft cloth. Do not clean the unit with abrasive powders or with
chemical agents such as benzine 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 this unit exposes any internal parts, immediately disconnect the
telephone line and mains supply. Then return the unit to a servicenter.

Other Information

C (41 F) or greater than 40
˚ ˚
C (104 F). Allow
˚ ˚
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