Iwatsu SS-500 Series Instruction Manual page 93

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Symptom Cause, remedy
The waveform outputted during the demagnetization is
asymmetric along the horizontal axis.
This does not represent a device malfunction.
 After demagnetization and automatic zero-adjustment
are completed, make sure that the zero position on
the waveform measuring instrument is appropriate.
Troubleshooting
4
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