LG LM-Q850EM, User Manual, Page: 407 / 509

Basic Functions 67
Secure lock settings
You can set secure lock settings.
1
Tap Settings General Lock screen & security Secure lock
settings .
2
Select a function you want to set.
• Lock timer : Allows you to set the amount of time before the screen
automatically locks after the backlight turns off (time-out due to
inactivity).
• Power key instantly locks : Enable this option to instantly lock
the screen when the Power/Lock button is pressed. This setting
overrides the Security Lock timer setting.
• Smart Lock : Allows you to set trusted devices, places, voice, and/or
on-body detection that will allow your phone to remain unlocked.
• Menus you can set may be different depending on lock screen methods
you choose.
KnockON
You can turn the screen on or off by double-tapping the screen.
• This option is available only on the Home screen provided by LG. It may
not function properly on a custom launcher or on the Home screen
installed by the user.
• When tapping the screen, use your fingertip. Do not use a fingernail.
• To use the KnockON feature, make sure that the proximity/light sensor
is not blocked by a sticker or any other foreign substance.