WARNING, Testing begins Monday, Dec. 8 for Broward and Palm Beach counties.

At 6:20 a.m. and 6:20 p.m. broadcast companies will send digital-only signals. If you have a digital TV, or receive cable or satellite you should not have a break in transmission. If your screen looks like snow then you will need to purchase a converter box prior to the full-time switch to digital in February. Additional testing will be done on Mondays in December and January.

Apply for a coupon for a digital-to-analog converter box: The government is issuing $40 coupons toward specific converter boxes for analog television.

Download our News Illustrated page on The Digital Shift. Its full of information on what analog and digital broadcasting is, how converter boxes work and how to hook them up.