Zoom: Hold SHIFT key pressed and drag on the image with the mouse. Zoom in: move the cursor to the right. Zoom out: move the cursor to the left.
Change Satellite: Click on one of the three possible options:
MET-9: Meteosat-9 (0 deg)
MET-7: Meteosat-7 (57 deg)
Metop: EUMETSAT Polar System
Channels: Click on the desired option: IR 3.9, IR 10.8, VIS 0.6, WV 6.2.
Frames in Animation: Select the number of images that are going to be displayed in the Slide-Show.