LG LG14Z95 Easy Manual page 83

83
Using the PC
Adjusting Volume Up / Down
Use [Fn], [F11], and [F12] to adjust the volume.
Press [Fn] and [F11] to lessen the volume or [Fn] and [F12] to increase it.
Mute
Press [Fn] + [F10] to mute. Press the keys again to unmute.