Panasonic - KX-T7720E

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Contents

Panasonic Proprietary Telephones Quick Reference Guide Model KX T7720E KX T7730E KX T7750E Important Information _ When using the KX T7700 series keep the following conditions in mind If there is any problem unplug the extension line and connect a known working phone If the known working phone operates properly have the defective phone repaired by a specified Panasonic Factory Service Centre If the known working phone does not operate properly check the PABX System and the internal extension wiring Keep the unit away from heating appliances and electrical noise generating devices such as fluorescent lamps and motors The unit should be kept free of dust moisture and vibration and should not be exposed to direct sunlight Do not use ben ...