OSD Timer
Lock Menu
Press MENU button to display the main menu.
Press
/ button to select Lock in the main menu.
1. Press
SYSTEM menu.
2. Press ENTER /
3. After finishing your adjustment, Press MENU button to return back to the
previous menu.
Lock System
L4020FHD LED IB.indd 171
L4020FHD LED IB.indd 171
Press
press ENTER button to enter sub-menu.
Press
/
button to select the option that you want to adjust in the LOCK
/ button to adjust.
Press
and then press ENTER button to make the
following 3 options valid.
Default password is 0000 or 8888.
/
button to select OSD Timer, then
/
button to select.
/
button to select System Lock,
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29/5/2023 9:06 AM
29/5/2023 9:06 AM