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2.5. Maintenance and battery care.
2.5.1. Unit care.
Carefully wipe any dust and dirt from PLEXTALK with a soft cloth that
has been slightly dampened with a diluted, neutral detergent, then
wipe dry with a cloth.
WARNING: Always disconnect PLEXTALK from the mains supply
before cleaning.
2.5.2. Battery care.
In order that you get the most out of your rechargeable battery, you
should take careful note of the following points:
The battery will normally take 4 hours to fully charge. However,
when using your PLEXTALK for the first time, or after one
month of storage, you should connect to a mains power supply
for at least 24 hours.
The battery life depends on how frequently it is used and
recharged. Its capacity to store charge reduces over time.
When the usable time following a charge becomes too short
for practical use, replace the battery with a new one. These
can be purchased from your local agent. Your agent should
also be able to give you advice about recycling and disposal of
used batteries.
The usable time may be affected by the ambient temperature
and working environment.
In order to maintain battery performance, the following procedure
should be carried out every six months:
Fully charge the battery
Use on battery power until dead
Recharge
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