A digital set-top cable box (a.k.a converter) is necessary for any of the following reasons:

• You don't have a cable-ready TV.
• In cases where your TV, VCR or DVD cannot tune to all of the channels provided as part of your cable service.
• You wish to subscribe to premium services, such as HBO or Showtime.
• You wish to subscribe to Premiums On Demand, Movies On Demand and other Interactive services.

Please see DTV and Digital Simulcast FAQs for more information. For technical information about your specific cable set-top box, refer to the User Guides page.