| 摘要 |
An apparatus for tuning a frequency conversion device. The apparatus has a channel identifier, a channel cross-referencer, and a frequency conversion device tuner. The channel identifier is configured to identify a first channel to which a receiver is tuned. The channel cross-referencer is coupled to the channel identifier and is configured to cross-reference the first channel with a second channel. The frequency conversion device tuner is coupled to the channel cross-referencer and is configured to tune the frequency conversion device to the second channel. An apparatus for processing a signal. The apparatus has an input port, a signal format identifier, a switch, a converter, an output port, and a bypass signal path. The input port is configured to receive the signal. The signal format identifier is coupled to the input port and configured to identify the signal as having a first format or a second format. The switch is coupled to the signal format identifier. The converter is configured to be coupled to the switch and to convert the signal from the first format to the second format. The output port is coupled to the converter and configured to produce the signal. The bypass signal path is coupled to the output port and configured to be coupled to the switch and to convey the signal.
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