LG G Pad 10.1 -V700 Manual De Usuario página 149

To activate Knock Code feature
1
From the Home screen, tap Apps
screen > Select screen lock > Knock Code.
2 This opens a screen that will guide you through how to set your Knock
Code. You have to create a backup PIN as a safety measure in case you
forget your Knock Code.
> Settings > Display > Lock
29