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Light sensor:
The light sensor of this phone
is used to save battery power.
By monitoring how much en-
vironmental light is available
this sensor adjusts the bright-
ness of the screen, ensuring a
longer battery operating time.
For more information about this
automatic light adjustment, see
also page 87.
Power button:
Press this button to turn on the
phone.
When the phone is switched on,
briefly press this button to turn th
display off or on.
Press and hold the button and an
option will appear to completely
turn off the phone.
Содержание PMA-100
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