Dell S2421HN User Manual page 32

The following table describes the front panel buttons:
Front-Panel Button
1
Shortcut key:
Preset Modes
2
Shortcut key:
Input Source
3
Menu
4
Exit
5
Power(with power light
indicator)
32 | Operating the monitor
Description
Use this button to choose from a list of preset
color modes.
Use this button to choose from a list of input
sources.
Use this menu button to launch the on-screen
display (OSD) and select the OSD menu.
See Accessing the menu system.
Use this button to go back to the main menu or exit
the OSD main menu.
Use the Power button to turn the monitor On and
Off.
The white LED indicates the monitor is On and fully
functional.
A breathing white LED indicates DPMS Standby
Mode.