LG U8150 Owner's Manual

adjust the volume

When you are on a call, use the volume keys to adjust the

earpiece volume to hear your caller more clearly.

Press up to increase the earpiece volume or down to decrease

the earpiece volume.

When you are not on a call, use the volume keys to control the

key tone volume.

Press up to make key tone presses louder or press down to

make key tone presses softer.