Samsung NV30CH0Q0B - Manual (Page 32)

Getting Started 19
Adjusting the Volume
To adjust using keyboard
Press +< / > or +< / > from the keyboard.
To adjust using volume control program
Click the Volume icon( ) on the taskbar, and move the Volume slider to a desired
level.
For advanced volume control options, double-click the Volume icon( ), and adjust
the volume level in the volume control program.