LG 840G Guia Del Usuario página 80

Auto Screen Lock
This allows you to set the amount of time before your screen locks
automatically.
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.
78 LG840G | User Guide