Dell U2422HE Users Guide - Page 84
Lock/Unlock Menu and Built-in Diagnostics, Locking the Power and Joystick Buttons, right, Menu Buttons
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Lock/Unlock Menu and Built-in Diagnostics Locking the Power and Joystick Buttons You can lock the Joystick and Power buttons to prevent access to the OSD menu and/or power off the monitor. To lock the buttons: 1. Toggle and hold the Joystick to the up or down or left or right for about 4 seconds until a pop menu appears. 2. Select one of the following options: • Menu Buttons: All Joystick functions are locked and not accessible by the user. • Power Buttons: Only the Power Button is locked and not accessible by the user. • Menu + Power Buttons: Both the Joystick & the Power Button are locked and not accessible by the user. To unlock the button(s), press and hold the Joystick to the up or down or left or right for 4 seconds. Select the Unlock icon to unlock the button(s). 84 │ Troubleshooting
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