APEX allows you to control the volume level of each sound card that the system will be playing out.
you may adjust the audio level of any of the sound cards that you have setup.
MUTE - click this button to mute the channel.
DUCK - click this button to duck to a desired level. The default is 50. You may change this setting within the MENU settings screen.
The Volume Control window can be opened from the MENU window. Once opened, it will display faders. The default will show one Master Fader. You may add more faders by:
Click on MENU, and select Settings.
Select Number of Volume Controls.
Select the desired number of faders. This is usually the amount of sound cards that your Playlist & Hot Key player is setup to use. If you use 2 sound cards, then it may be good to use 2 faders.
TITLE DISPLAY - if multiple faders are chosen, APEX will display the title of the file that is playing out a particular sound card. The display is at the top of the fader.