InFocus JTouch 50 Hardware Manual page 45

Advanced settings
Once the main settings menu is closed it will be locked for the next time it is opened.
To open the menu simply enter the code.
The screen lock can be set in the same way and then activated by pressing the "screen lock" icon in the more
tools menu from the side bar.
If either of the locks are no longer required or if the code needs to be changed, repeat the first steps to either
"clear password" or "change the password"
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