Version 3.5.8
Accessing the Media Panel
The Media panel is available when you are editing a shot and you have selected one of the following shot elements: Foreground, Background, Audio, or Channel A,B,C.
In the example shown below, we are editing the "Ripples" shot and have selected the Foreground element. There is no media selected in this example.
More information
Selecting Media -- how to change the media
Adding / Removing Media -- how to add and remove media