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Document Version 2009-03 5
Important Information
When using a KX-DT390 Digital DSS Console, keep the
following conditions in mind.
• If you are having problems making calls, unplug the extension line and
connect a known working Digital DSS Console. If the known working DSS
Console operates properly, have the defective DSS Console repaired by
an authorized Panasonic factory service center. If the known working
DSS Console 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.
Take special care to follow the safety suggestions listed below.
Installation
Environment
1) Do not use this unit near water, for example, near a bathtub, washbowl
or sink. Damp basements should also be avoided.
2) 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 °C (41 °F) or greater than 40 °C (104 °F).
Allow 10 cm (3-15/16 in) clearance around the unit for proper
ventilation.
Placement
1) Do not place heavy objects on top of this unit.
2) Care should be taken so that objects do not fall onto, and liquids are
not spilled into, the unit. Do not subject this unit to excessive smoke,
dust, moisture, mechanical vibration, shock, or direct sunlight.
3) Place the unit on a flat surface.
WARNING:
TO PREVENT POSSIBLE FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS UNIT TO RAIN OR MOISTURE.
DISCONNECT THE TELEPHONE LINE CORD FROM THIS PRODUCT IF
THIS PRODUCT EMITS SMOKE, AN ABNORMAL SMELL OR MAKES
UNUSUAL NOISE. THESE CONDITIONS CAN CAUSE FIRE OR
ELECTRIC SHOCK. CONFIRM THAT SMOKE HAS STOPPED AND
CONTACT AN AUTHORIZED SERVICE CENTER.
DT390M_QRG.fm Page 5 Friday, February 27, 2009 11:02 AM