Dell S2721HS Monitor Users Guide - Page 34
Using the OSD lock function, Use the Lock menu to lock the buttons.
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Using the OSD lock function You can lock the front-panel control buttons to prevent access to the OSD menu and/ or power button. Use the Lock menu to lock the button(s). 1. Select one of the following options. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. The following message appears. Dell 24/27 Monitor Are you sure you want to lock the Menu Buttons? To unlock the Buttons, refer to the User's Guide. Yes No S2421HS/S2721HS/S2421HSX/S2721HSX 3. Select Yes to lock the buttons. Once locked, pressing any control button will display the lock icon Use the front-panel control button to lock the button(s). 1 2 34 5 34 | Operating the monitor