What kind of aspect ratio control does the iScan Pro offer?
The iScan Pro has an “Aspect Ratio” switch located on the front panel. There are three positions for that switch: Normal, Squeeze (black) and Squeeze (gray). The Normal setting (top position) passes any video input through with no modifications to the aspect ratio. The squeeze mode feature on the iScan Pro allows a 4:3 aspect ratio image to be correctly displayed in a 4:3 portion of a 16:9 screen. Most widescreen (16:9) television sets provide a button on the remote control that allows the user to change the aspect ratio of the displayed image. This allows viewing of normal material (4:3) in a smaller region in the center of the screen with black or gray bars to the left and right of the image. However, some of these sets disable this control when receiving a high definition (HDTV) signal or a progressive signal from a line doubler. When receiving the 480p progressive signal at 31.5kHz from an iScan unit, those TVs will always scan the signal across the whole width of the screen and wi
