Exfo FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 Uživatelský manuál stáhnout pdf (Strana 214)

Managing Results

208 FTB-5230S/-OCA

Managing Markers

To manually enter a marker position value:

1. If you have not done so already, press the button on the top

left-hand corner of the display to make the marker toolbar appear.

2. Set the marker by entering precise values in the box corresponding to it

or by dragging it on-screen.

As markers A and B appear on the graph, the following values will be

displayed in the marker toolbar.

 power values corresponding to the wavelength position of both

markers.

 wavelength or frequency difference between the markers (A-B)

 power difference in dB between the markers

 integrated power between the markers in dBm (when horizontal

markers are hidden)

 power difference between the traces (active against reference or input

against output) for both markers in dB (when horizontal markers are

hidden).

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Exfo FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 Uživatelský manuál Strana 214