Panasonic BL-PA300KTA Operating Instructions Manual page 30

Useful Information
Environment
Do not place the unit in a room where the temperature is less than 0 °C
(32 °F) or greater than 40 °C (104 °F). Allow 10 cm (4 in.) clearance
around the unit for proper ventilation. Avoid excessive smoke, dust,
mechanical vibration, shock, or direct sunlight.
Routine Care
Wipe the unit with a soft cloth. Do not use benzine, thinner, or any
abrasive powder. When you leave the unit unused for a long period of
time, unplug the adaptor from the outlet.
In the Event of Trouble
Consult an authorized Panasonic Factory Service Center.
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