EXFO PSO-200 Optical Modulation Analyzer - Manual (Page 38)

Setting Up the Optical Modulation Analyzer
30 PSO-200
Using an External Local Oscillator
3. If necessary only, disable the automatic calibration by clearing the
Enable pulse source calibration box.
4. Click Apply to confirm your settings, or OK to also close the window.
5. Connect your external laser source to the Local Oscillator Input port
on the PSO-200 front panel.
6. Start an acquisition.
I
MPORTANT
If you revert to Internal LO, ensure your external source is
disconnected before clicking Start for the next acquisition.