Keysight N4391B Getting Started Manual page 30

Optical modulation analyzer
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2
Getting Started
30
6
Ensure that the Center Symbol Rate is set to 10 GHz. If not,
double-click in the Center Symbol Rate field then enter the value. The
Fine-tune symbol Rate selection ensures that the symbol rate is
adjusted to within the displayed range.
7
Ensure that the Modulation Format is set to QPSK. If not, select it from
the Modulation Format list.
8
Ensure that Polarization is set to Auto. If not, select it from the
Polarization list. Smart Setup will determine the polarization
automatically (single or dual) when set to Auto.
Keysight N4391B Optical Modulation Analyzer Getting Started Guide

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