Asus ET2321 User Manual page 15

Menu down button
When adjusting the menu settings, press this button to move down to the menu
selections. You can also use this button to decrease the value of selected menu items
such as brightness, contrast, volume, etc.
MENU button
Press to display the menu. Press this button to enter/select the highlighted icon
(function) while the OSD is activated.
Menu up button
When adjusting the menu settings, press this button to move up to the menu
selections. You can also use this button to increase the value of selected menu items
such as brightness, contrast, volume, etc.
Power button
Press this button to turn on your All-in-One PC.
Audio speakers
The built-in audio speaker allows you to hear audio straight from the All-in-One PC.
The audio features of this All-in-One PC are software-controlled.
All-in-One PC ET232 Series
15