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6 Operating Manual
Attention
• 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 PBX.
• This unit should be kept free of dust, moisture, high temperature (more than 40 °C [104 °F]), and
vibration, and should not be exposed to direct sunlight.
• If you are having problems making calls to outside destinations, follow this procedure to test the outside
(CO) lines:
1. Disconnect the PBX from all outside (CO) lines.
2. Connect known working single line telephones (SLTs) to those outside (CO) lines.
3. Make a call to an external destination using those SLTs.
If a call cannot be carried out correctly, there may be a problem with the outside (CO) line that the SLT
is connected to. Contact your telephone company.
If all SLTs operate properly, there may be a problem with your PBX. Do not reconnect the PBX to the
outside (CO) lines until it has been serviced by an authorized Panasonic Factory Servicenter.
• Wipe the unit with a soft cloth. Do not clean the unit with abrasive powders or with chemical agents such
as benzene or thinner.
• When using a Panasonic proprietary telephone (PT), use only the correct Panasonic handset.
When you ship the product
Carefully pack and send it prepaid, adequately insured and preferably in the original carton. Attach a
postage-paid letter, detailing the symptom, to the outside of the carton. DO NOT send the product to
the Executive or Regional Sales offices. They are NOT equipped to make repairs.
Product Service
Panasonic Factory Servicenters for this product are listed in the servicenter directory. Consult your
certified Panasonic dealer for detailed instructions.