Action Trays are the containers in which
you pair up a media source with the effect by which it is introduced into
the show. The effect appears in the
bin on the left side of the tray while the media source goes in the bin on the right. If you assign an audio
clip to an existing tray, a speaker icon appears on the bridge between
the two thumbnails. Clicking the thumbnail for the effect or media source
or on the speaker icon selects that entity so that you can customize it
through the Actions Tab. Double-clicking will preview the effect or source.
Clicking a tray's tab (or the frame
surrounding the icons) allows you to select the tray as a whole.
The trays sit in the Action Area to the right of the teleprompter. The position of each tray defines the time at which the effect will run, introducing the media source into the show. Hovering the mouse pointer over a tray displays a little popup dialog indicating its exact trigger time. For a slightly rougher indication of a tray's timing, you can check its position relative to the tick mark ruler on its left.
A tray is triggered upon passing through the pink Action Bar at the top of the Action Area.