Tektronix WFM2200 User Manual page 31

Getting started
Monitoring the video bit stream of a serial receiver. Route one or more incoming
serial signals into the SDI inputs on the instrument.
NOTE.
See the WFM2200 Specifications and Performance Verification Technical
Reference for the maximum allowed cable lengths.
Monitoring the embedded audio signal in a serial digital video stream. Route the
incoming serial signal into one of the SDI inputs on the instrument.
Monitoring the external reference signal. Route the incoming reference signal into
the REF IN input on the instrument.
WFM2200 Waveform Monitor & Generator User Manual 15