Dell U2415 Monitor - Manual (Page 38)

38 | Operating the Monitor
Main Menu for digital (mini DisplayPort) input
or
Main Menu for digital (DP) input
2 Press the and buttons to move between the setting options. As you move
from one icon to another, the option name is highlighted. See the following table
for a complete list of all the options available for the monitor.
3 Press the button once to activate the highlighted option.
4 Press and button to select the desired parameter.
5 Press to enter the slide bar and then use the and buttons, according
to the indicators on the menu, to make your changes.
6 Select the button to return to the main menu.