HP Brio 80xx Online Manual page 67

Enhanced Keyboard - Volume Control
There are three keys on the enhanced keyboard that can be used to modify the volume. The following illustration shows
their position on the keyboard.
Press the Mute
key to turn off
the sound
Press to turn
volume up
Press to turn
For detailed information about the HP Enhanced Keyboard, refer to
volume down
"Enhanced Keyboard" on page 27.
5 Using Sound on Your PC
How to Use a Headset
67