You, like me, probably set the sound theme to 'none' to get rid of all these annoying startup/error/whatever noises. In that case, you are right: No sound is p

You, like me, probably set the sound theme to 'none' to get rid of all these annoying startup/error/whatever noises. In that case, you are right: No sound is played when you set the volume. Probably (I couldn't be bothered to test it) you usually hear one of the sound theme entries, at the new volume.