| 摘要 |
A television having a processor that increases the viewability of a picture-in-picture display (PIP) by producing a tracking window in a primary image display area and tracking a corresponding image portion in the PIP. The television has a user input device that receives a user input to enable a user to move the tracking window to any given portion of the primary image display area. The user input also enables a user to adjust the size of the tracking window and to adjust a zoom level of the PIP. |
