Using the Basic Controls to view a panoramic movie:
click and hold the mouse button down and drag across the image in the direction you want to look.
To zoom in and out, click and hold down the + button (zoom in) down or click and hold the - button (zoom out) down.
You may zoom in and out using the keyboard as long as the mouse is over the panorama.
Hold the shift key down to zoom in.
Hold the control key down to zoom out.