Promax CABLE RANGER, Руководство пользователя

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April 2018 14 Chapter 3: MEASUREMENT
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Options Menu
There are some options at the bottom of the screen:
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: Screenshot.
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DEMOD A: Demodulator (refer to "Demodulator " chapter).
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Settings
Click on the MENU icon at the upper right corner to access the Settings
menu. The SPECTRUM ANALYZER function has these options:
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Edit channel plan: It allows you to edit a channel plan and DBG (refer to
"Edit Channel Plan" chapter).
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Units: It allows you to select measurement unit for power (dBuV, dBmV,
dBm).
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Reference line: It allows you to select the reference line by numbers (-
60 dBmV to +70 dBmv). Reference line allows you to define criteria in
order to quickly accept or refuse channels levels.
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Trace: It allows you to select holding type of trace (maximal, minimum).
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CTB/CSO: It allows you to set parameters to measure intermodulation
distortion CTB/CSO (Composite Triple Beat / Composite Second Order)
that has a big influence on the net quality.
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Frequency step: It allows you to select full span maximum frequency
(0,25 MHz, 1 MHz, 8 MHz, other value).
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Full span maximum frequency: It allows you to select full span
maximum frequency (900 MHz, 1700 MHz, other value).
„
Wavelength (only for FO): It allows you to select wavelength (1310
nm, 1490 nm, 1550 nm, 1590 nm).
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Detector: It allows you to select detector type (maximum, minimum).
„
Tuning frequency demodulation: It allows you to set parameters to
demodulate tuned frequency. User must select type of signal (digital,
analogue or FM) and related parameters
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Description
The SCAN function shows on screen signal level in graphic bar format for each
one of the active channels in the selected channel plan.
3.2 Scan (cable & FO)