Millions of viewers plug the cable directly into the analog tuners on their old tubes.Digital cable boxes leased by subscribers do bypass the tuners in their TVs.

• 美国有好几百万名观众是把缆线直接插入老电视里的类比调谐器，但只要租用有线电视数位机上盒，就能绕过电视里的调谐器。