| 摘要 |
<p>A broadcast data receiver (BDR) and a method of using the BDR (2) to monitor RF are provided. The BDR (2) receives and decodes data in the form of video, audio and/or auxiliary sent from a broadcaster at a remote location via cable, satellite and/or terrestrial communication means. The BDR (2) has two or more tuners for receiving data at particular radio frequencies relating to one or more channels. When the BDR is in a standby mode, the BDR (2) monitors a plurality of RF channels using the tuners, thereby providing an indication of the status of the RF channels which can then be communicated to a remotely located network operating system.
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