This article explains how to lock the On-Screen Menu (OSD) buttons on Elo monitors

Please see the information below regarding locking the OSD menu buttons on a monitor. 

The method to lock the OSD differs between models. You are able to see which method fits your unit by reviewing the User Guide for that unit. 

The most common methods to lock and unlock the buttons on the monitor are:
1. Holding the "Menu" and "Down" buttons for 3 seconds.
2. Holding the "Brightness Up" and "Brightness "Down" buttons for 3 seconds.