Asus ET2221AGKR User Manual page 15

Mode button
Press to switch the display signal source. When switched to HDMI-in and VGA-in, the
All-in-One PC can be used as a standard desktop LCD monitor.
Menu lock
Press to activate the MENU button on the front panel.
Optical Drive
The built-in optical drive may support compact discs (CD), digital video discs (DVD),
and/or Blu-ray discs (BD) and may have recordable (R) or re-writable (RW) capabilities.
See the marketing specifications for details on each model.
Optical Drive Electronic Eject
The optical drive eject has an electronic eject button for opening the tray. You can also
eject the optical drive tray through any software player or by right clicking the optical
drive in Windows "Computer" and selecting Eject.
Power button
Press this button to turn on your All-in-One PC.
All-in-One PC ET22 Series
15