Dell UltraSharp 34 Curved Monitor - Manual (Page 51)

Operating the Monitor | 51
Menu 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, Brazilian Portuguese, Russian,
Simplified Chinese or Japanese).
Transparency Select this option to change the menu transparency by pressing the
and buttons (Minimum: 0 ~ Maximum: 100).
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.
Lock Controls user access to adjustments. When Lock is selected, no user
adjustments are allowed. All buttons are locked.
NOTE:
Unlock function– Only hard unlock (press and hold the button beside
the power button for 10 seconds).
Lock function – Either soft lock (through the OSD menu) or hard lock
(press and hold the button beside the power button for 10 seconds).
Reset Menu
Settings
Reset all OSD settings to the factory preset values.