EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual
Page 168
Using the Power Meter Linearity Verification Tool
156
IQS-12004B
Nulling Electrical Offsets
To perform a nulling:
1. Put protective caps on power meter detectors as described in the
Instructions zone.
2. Click Nulling to start the null measurement. The nulling is performed
on all power meters at the same time.
When the operation is complete, the Start button becomes enabled
and the Instructions zone indicates that the tool is ready for linearity
verification.
Note: Once the hardware initialization is complete, you can perform a nulling at
any moment, except during an acquisition.
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