Doro 840 Manual page 5

Only for models with an extra handset (+1):
7. Connect the mains adapter to the
electrical wall socket.
8. Carefully remove the battery cover from the back of the handset by inserting
a small item into the hole in the bottom of the handset. Insert the batteries
ensuring correct battery polarity is observed. Replace the battery cover.
9. Place the additional handset in the charger pod with the keypad facing out and
charge the handset battery without interruption for 24 hours initially (thereafter
fully discharged batteries will take 10 hours to recharge).
Please note!
Under power failure conditions this telephone will not operate. Please ensure that a separate
telephone not dependant on local power is available for emergency use. Do not place the base unit
close to other electrical equipment such as TV sets, computer screens, telecom equipment, fans etc.
This will minimize the risk of interference. Do not place the base unit in areas where it will be
exposed to direct sunlight or other major heat sources. Only use with the supplied power adapter/s.
Connect correct adapter according to indication.
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Installation
socket on the charger unit and to an
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