HP LD4245tm 41.92-inch Interactive LED Digital Signage Display - Manual (Page 37)

4:3 : This selection will allow you to view a picture with an original 4:3 aspect ratio. Black bars
will appear on both the left and right of the screen.
Zoom : This selection will allow you to view the picture without any adjustment, while filling
the entire screen. However, the top and bottom of the picture will be cropped.
Cinema Zoom : Choose Cinema Zoom when you want to enlarge the picture in correct
proportion. Note: When enlarging or reducing the picture, the image may become distorted.
Using additional options 27