Promax CABLE RANGER, Руководство пользователя

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April 2018 12 Chapter 3: MEASUREMENT
3 MEASUREMENT
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Description
The SPECTRUM ANALYZER function shows on screen the spectrum of the
signal received through the input connector.
This function shows signals in frequency band so user can detect any problem
and also measures level and demodulates signal.
User can select span and reference level by selecting a frequency or channel. He
also can select detector type (maximum / minimum peak), measurement units
and other parameters.
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Operation
1 Connect signal to the input connector:
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Cable: universal connector for F/F or F/BNC adapter.
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Fiber Optics: SC-APC connector.
2 Access home screen by pressing the HOME key .
3 Select SPECTRUM ANALYZER function according to input signal (cable or
fiber). Press function on the left side of the screen for FIBER OPTICS or on
the right side for CABLE.
4 SPECTRUM ANALYZER function opens.
5 Press DEMOD to demodulate signal and show constellation.
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CHANNEL tuning: According to type of channel / channel plan it can
demodulate digital, analogue or DOCSIS.
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FREQUENCY tuning: According to demodulation type.
6 Press HOME key to get back to the main screen.
3.1 Spectrum Analyzer (cable & FO)