| 摘要 |
An apparatus such as a television signal receiver (20), radio or other device provides an emergency alert function. According to an exemplary embodiment, the apparatus (20) includes a tuner (22) for tuning a plurality of frequency channels associated with the emergency alert function. A processor (27) identifies one of the frequency channels having higher signal strength relative to the other frequency channels, and enables use of the identified frequency channel for receiving emergency alert signals.
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