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3. Attention for operation of charger
You may charge the device with a charger or through a USB data line
connected to the computer.
Charge with matched alternate current; creepage, fire and damage of
the door phone and charger may be caused if other voltage is used.
It is forbidden to short circuit the charge, otherwise, electrical shock,
smoke and damage of the charger will be caused.
Do not use the charger at the time when the power cord is damaged,
otherwise, fire and electrical shock will be caused.
Clear away the dust accumulated on power outlet ASAP.
Do not place a vessel used to retain water beside the charger to
prevent overheating, creepage and failure of charger caused by
spilling water.
If the charger is in contact with water or other liquids, disconnect the
power supply immediately to prevent overheating, fire electrical
shock an failure of the charger.
Do not dismantle or remodel this product, otherwise, damage,
creepage and electrical fault may because to this product.
Do not use the charger in places with high humidity such as
bathroom, otherwise, electric shock, fire and damage of the charger
will be caused.
Do not touch the charger, electrical line and power outlet with wet
hand(s), otherwise, electric shock may be caused.
Do not place heavy objects on the electrical line or refit the electrical
line, otherwise, electric shock and fire will be caused.
Before cleaning and maintenance, first pull the plug off the power
outlet.
Grasp the charger while pulling off the plug, as pulling the electrical
line will lead to damage of electrical line, electric shock and fire.
