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EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual

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Calibrating the DWDM Passive Component Test System

DWDM Passive Component Test System

77

Calibrating the System

the source will be turned off (as shown on the screen) and you won’t
have to perform an electrical offset nulling of the power meters if you
have selected the Turn Source Off option in the calibration window.

When the detector null measurement is complete, the Nulling window
appears and provides you with a Pass or Fail indication. In the case of a
Failed response, you have the possibility to restart the nulling by pressing
the Restart Nulling button.