EXFO PSO-100 Series Optical Sampling Oscilloscopes User Manual
Page 97

Troubleshooting
Optical Sampling Oscilloscope
89
Solving Common Problems
The application was just
started. In the DOS window
"USB connection OK" is shown.
When you click Start in the
application nothing happens
and in the DOS window
TriggerTest is not passed.
USB connection is up,
but the instrument is
not triggering.
³
Make sure the
unit is turned on.
³
If it does not help,
the internal pulse
source has not
started correctly.
Make sure that
the surrounding
temperature is
within
specifications.
³
If the unit was
recently turned
off, let it cool
down for a few
minutes before
you turn it on
again.
³
If the problem
persists, contact
EXFO.
Problem
Cause
Possible Solution
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