Digital TVs and set-top boxes
Caption problems due to poor reception are rare if you are using a digital television or digital set-top box. With a digital signal you should either get a good picture with good captions or no picture and no captions at all.
If there are caption display problems on screen on multiple stations it usually means that your TV or set-top box is faulty and you will need to contact the manufacturer. Sometimes software upgrades are available that will fix this.
Occasionally TV stations will make changes to their broadcast systems (to accommodate new digital channels, for example). This can interfere with the reception of channels, or with captions, but the problem can be rectified by retuning your TV or set-top box.
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