Dell S2740L User Manual page 38

NOTE: Dynamic Contrast provides higher contrast if you select Game or Movie preset mode.
Reset Display Select this option to restore default display settings.
Settings
Other Settings Select this option to adjust the settings of the OSD, such as, the languages of the OSD, the amount of time the menu remains on screen, and so on.
Language Language options set the OSD display to one of the eight languages (English, Spanish, French, German, Simplified Chinese or Japanese).
Menu Transparency
Select this option to change the menu transparency by pressing the
Menu Timer OSD Hold Time: sets the length of time the OSD will remain active after the last time you pressed a button.
Use or to adjust the slider in 1 second increments, from 5 to 60 seconds.
Menu Lock Controls user access to adjustments. When Lock is selected, no user adjustments are allowed. All buttons are locked.
NOTE:
Lock function – Either soft lock (through the OSD menu) or hard lock (press and hold the button above the power button for 10 seconds)
Unlock function– Only hard unlock (press and hold the button above the power button for 10 seconds)
Energy Smart To turn on or off dynamic dimming.
The dynamic dimming feature automatically reduces the screen's brightness level when the displayed image contains a high proportion of bright areas.
DDC/CI DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via the software on your computer.
You can disable this feature by selecting "Disable".
Enable this feature for best user experience and optimum performance of your monitor.
and buttons (Minimum: 0 ~ Maximum: 100).