Sony DSC-U20 - Manual (Page 13)

13
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, Connect the charger to a wall outlet (wall
socket) using the power cord (mains
lead).
The CHARGE lamp lights up when charging begins,
and goes off when charging is completed. It takes about
13 hours to completely charge the batteries.
• When charging is finished, disconnect the power cord (mains
lead) from the wall outlet (wall socket), and remove the
Nickel Metal Hydride batteries from the charger.
• Always use the case supplied when transporting the Nickel
Metal Hydride batteries. If the positive and negative
terminals come into contact with metallic material and are
shorted, the batteries could overheat or catch fire.
Charging the Nickel Metal Hydride
batteries
• If the poles of the Nickel Metal Hydride batteries are dirty,
the batteries may not charge properly. Occasionally clean the
poles of the batteries and the terminals of the charger by
wiping them with a dry cloth.
• At the time of purchase, or when the Nickel Metal Hydride
batteries haven’t been used for a long time, they may not
fully charge. This is typical of this type of battery, and is not
a malfunction. If this happens, several cycles of using the
battery until it is completely drained and then charging the
battery fully should correct the problem.
• Even when Nickel Metal Hydride batteries are not being
used they lose their charge naturally over time. It is
recommended that you recharge the batteries just before
using them.
• If you recharge Nickel Metal Hydride batteries before fully
using up the existing charge, the low battery warning may be
displayed sooner than expected. This is called the “memory
effect.”* If this problem occurs, charging the batteries only
after using up the existing charge will correct it.
* The “memory effect” – the situation in which the capacity
of the battery is temporarily lowered.
2
To the wall outlet
(wall socket)
Power cord
(mains lead)
CHARGE
lamp