Working with the Tablet PC
Rechargeable battery
BatteryBatteryServicelife,batteryRechargeablebatteryBattery
The built-in battery provides the Tablet PC with the necessary power for use on the move.
You can increase the service life of the battery by caring for the battery properly. The
average battery service life is around 500 cha rge/disch arge cycles.
You can extend the battery se rvice life by taking advantage of the available energy-sa ving functions.
Charging and maintaining the battery
BatteryBattery
The Tablet PC battery can only be charged when the ambient temperature is
between 5°C / 41 °F and ma x. 35°C / 95°F.
You can charge the battery by connecting the Tablet PC to the AC adapter
(see "
Connecting the AC adapter", Page 20).
If the AC adapter is connected, charging will not begin if the battery is at least 90% charged. Once
the battery charge drops below 90%, and the AC adapter is connected, charging will begin.
If the battery is running low you will hear a warning alarm. If you do not connect the AC adapter
within five minutes of hearing the warning alarm, your Tablet PC will switch off automatically.
Monitoring the b attery state of charge
Batterybatterychargemeter
A battery symbol for monitoring the battery capacity is displayed in the system bar /
status indicator. The battery symbol shows you the battery charge.
Using the energy saving functions
EnergyEnergyBattery
The Tablet PC uses less power when the e nergy saving features are enabled. You will then
be able to work longer when using the battery before having to recharge it.
The energy efficiency is increased and environmental pollution is reduced.
By choosing the best power options, you can m ake significant savings and
at the same time help protect the environment.
► Set the ener
gy saving functions in your Control Panel.
When the Tablet PC is in a power-sa ving mode, you must rememb er the followin g:
During power-saving mode, open da ta is held in main memory or
in a swap file on the hard disk.
Never s witch off the Tablet PC while it is in a power-saving mode. If the built-in battery
is nearly flat, c lo se all open files and do not go into power-sa ving mode.
If you do not inte nd to use your Tablet PC for a long period of time:
► Exit the
power-saving mode if nece ssary by touching the screen or by switching the Tablet
PC on.
► Close all opened programs an d completely shut down the Tablet PC.
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