HP Pavilion dv4-2116tx Entertainment Notebook PC - Manual (Page 60)

Component Description
(8) Volume mute button Mutes and restores speaker sound.
(9) Volume scroll zone Adjusts speaker volume. Slide your finger to the left to decrease
volume and to the right to increase volume. You can also tap the
minus sign on the scroll zone to decrease volume, or tap the plus
sign on the scroll zone to increase volume.
Using the MediaSmart button (select models only)
The function of the MediaSmart button varies by model and installed software. With this button, you can
watch movies, listen to music, and view pictures.
Pressing the MediaSmart button launches the HP MediaSmart program.
NOTE: If the computer has been set up to require a logon password, you may be asked to log on to
Windows. MediaSmart launches after you log on. Refer to Help and Support for more information.
48 Chapter 5 Multimedia