There are now two resolutions that are classified as HD: 1280 x 7201920 x 1080The 720 format is a progressive scanned format, that is, the whole image is refreshed with every pass of the screen. The...
Using a Windows computer, you can right click an empty space on your desktop, and click properties, then click the Settings tab, near the bottom of the window under "Screen Resolution" you will find...
Lower resolution. Because if you buy a large thin TV and use the antenna you'll get some poor quality due to the size of your 68" TV. The smaller the size if the better cuz the pixel's will be better...