Nx Witness User Manual

The volume level applies to the Speak, Play Sound, and Repeat Sound System actions.

To adjust playback volume, use one of the following:

•Click-and-drag the Volume Slider to the right of the Timeline

•Use a Mouse Wheel by clicking on the slider

•Use Ctrl+Up or Ctrl+Down over the slider

You can also click the speaker icon to mute or unmute audio (keyboard shortcut: U).