LG Xenon GR500 - Manual (Page 104)

Settings
100
If you set When slider is closed , the
screen will be locked automatically when you
slide down the phone.
Set Flight Mode
This allows you to use only the phone's
features that do not require the use of the
wireless network when you are in an airplane
or in places where the wireless network is
prohibited. If you set the flight mode
,
you will be prompted to confirm your
selection. After you confirm it by touching
the Flight mode icon will be displayed
on the screen instead of the network signal
icon.
] : You cannot make (or receive) any
calls, including emergency calls or use other
features that require network coverage.
] : Deactivates Flight Mode and re-
establishes your wireless connections.
Security
Various codes and passwords are used to
protect the features and settings of your
phone. They are described in the following
sections.
] Phone lock: You can use a security code
to avoid unauthorized use of the phone.
If you set phone lock to When Power On,
the phone will request a security code
whenever you switch the phone on. If you
set the phone lock to When SIM Changed,
your phone will request a security code only
when you change your SIM Card. If you set
the phone lock to Lock Phone Now, your
phone will lock immediately.