Control Panel VKEY 100 / external keyboard – AUDIO OUTPUT: MUTE

Audio Output: Source function enables you to select a channel you want to listen to on your Headphones. After pressing a function key F, you will hear the sound of a selected channel on the headphones and the name of this channel will be displayed on the screen under the headphones slider.

You can assign several different sources – channels – to different function keys F and switch between them. Then, the channel you are listening to on your headphones will change when you press a different F button.