Exfo FTB-7000 OTDR for FTB-200 v2 Instrukcja Użytkownika Strona 114

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Customizing Your OTDR
100 FTB-7000 Series
Customizing the Acquisition Time Values
Customizing the Acquisition Time Values
Note: This function is available in Advanced mode only.
You can customize the values associated with the Time dial. The
acquisition time values represent the time during which the OTDR will
average acquisitions.
If your OTDR model is FTB-7000D or later, youYou can even define
acquisition time as short as 5 seconds (10 seconds for older modules).
Note: The Auto and Real values cannot be modified.
You can customize the acquisition time to improve the signal-to-noise ratio
(SNR) of the trace and enhance the detection of low-level events. The SNR
improves by a factor of two (or 3 dB) each time the acquisition time is
increased by a factor of four.
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