Display settings
Select
>
Settings
and
Display
.
Define the following:
Brightness — Drag the slider right or left to change the
brightness of the display. The display brightness is also
affected by the ambient lighting conditions measured with
the light sensor.
Backlight time-out — Select the period of inactivity, after
which the display is turned off to save power.
Lock screen automatically — Set the device to
automatically lock the touch screen and keys after a defined
period of inactivity.
Display stays lit when charging — Set the display to always
remain on when the device is charging.
Touch screen vibration — Set the display to give a short
vibration feedback when touched.
Power saving mode — Set the device to consume less
power when the display backlight is on.
Tip: To save the battery and increase the device operation
time, select a low brightness level and a short time-out
period.