This feature which is available on mid-high end televisions allows one to view video from two sources simultaneously. A smaller picture of the secondary video source appears on the screen and you are able to alternate between the two.
Uses the tuner in the VCR to provide a small picture of another channel in the corner of the tube. This lets you keep track of what's going on with two programs at once. For instance, you could keep your eye on the score of a ball game while watching another show. (See also: 2 Tuner PIP.)
Displays a small picture from another source, e.g. a VCR. Enables you to check another video source while watching one channel or a video tape.