S-A Adds HD Help

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Scientific-Atlanta Inc. is offering cable operators two new "Continuum DVP" demodulators to capture off-air HDTV signals from local broadcasters.

The new demodulators can convert 8-VSB (vestigial sideband) digital signals for delivery to cable-system QAM (quadrature amplitude modulation) modulators.

The two devices are the "D6238" modulator and the "D6239" demodulator/multiplexer. S-A said operators can use the devices to receive signals directly or as a backup in case of a fiber cut.