User Manual

PC-EPhone Customizing and Maintenance Page 3-15
(4) Battery Maintenance
In order to maximize the Main Battery’s life span and keep it in its best working state,
you should follow the tips given below.
X Charge the Lithium-ion Main Battery in room temperatures. If surrounding
temperatures fall below 5°C(or 41°F) or rise over 35°C(or 95°F), you should stop
charging.
X When recharging a new Lithium-ion Main Battery or recharging after a long period
of negligence, the charging time and usage time may shorten. This is a
characteristic of a Lithium-ion battery, but 4 ~ 5 repeats of Full Discharging / Full
Recharging will bring back normal operation.
X For the Lithium-ion battery to maintain its best performance, you should
periodically perform a Full Discharge / Full Recharge.
X As the Lithium-ion battery is a consumable goods, it does have a set life span. Its
battery life will shorten with repeated Recharge / Discharge. Therefore, when
usage time falls to half of that when you first used it, you had better purchase and
use a new Lithium-ion battery.
(5) How to effectively use Electricity
This is how to use your PC-EPhone longer, when supplying power through the Main
Battery:
X Use your PC-EPhone placed in the cradle whenever possible.
X When supplying power with the Main Battery, you can follow the steps given
below to automatically convert your PC-EPhone to the Sleep mode after a
continuous period of idle time.
- On the Start menu, point to Settings, and select Control Panel. The Control
Panel will be displayed. Tap the Power icon on the Control Panel to activate
the Power window, then select the Power Off tab and set it to the shortest
time interval.
- On the Start menu, point to Settings, and select Control Panel. The Control
Panel will be displayed. Tap the Display icon on the Control Panel to activate
the Display window, then select the Backlight tab and set it to the shortest
time interval.
X Make sure all unnecessary sounds are turned off.
- On the Start menu, point to Settings, and select Control Panel. The Control
Panel will be displayed. Tap the Volume & Sounds icon on the Control Panel
to activate the Volume & Sounds window, then set only the sounds you need.