There's just two buttons. Both have specific purposes. You can touch the screen to drop the selector, click on which volume you want, and go ahead with using t

There's just two buttons. Both have specific purposes. You can touch the screen to drop the selector, click on which volume you want, and go ahead with using the rocker for that volume selector. To silence app-audio, I use just: volume-rocker, click on down arrow, click on music icon to mute. That's it.