Proline L3220HD Manual Del Usuario página 173

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