Exfo FTB -5240S/5240BP Optical Spectrum Analyzer Manuel d'utilisateur Page 288

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Managing Results
282 FTB-5240S/S-P/BP
Managing Drift Test Results
For each of the above parameters, the following results are displayed:
Reference: channel reference values for the current drift acquired
during the initial acquisition.
Current Drift: current drift values, that is, the current deviation from the
channel’s reference for the drift’s latest acquisition.
Maximum: maximum values reached during the drift.
T Max.: time of the drift at which the channel was at its maximum
value. Displayed time is relative to the time at the start of the drift
measurement.
Minimum: minimum values reached during the drift.
T Min.: time of the drift at which the channel was at its minimum value.
Displayed time is relative to the time at the start of the drift
measurement.
A small red marker ( ) will point down at the peak in the WDM Graph tab
when you select a channel in the Channel History tab. The red marker will
move accordingly to indicate the corresponding peak on the graph, with a
focus on the selected channel.
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