
Optical Sampling Oscilloscope 87
6 Troubleshooting
Solving Common Problems
Problem Cause Possible Solution
Nothing happens when you
start sampling, but you can use
the Start/Stop button.
³ The samples are
outside the
sampling screen.
³ The input power
is too high.
³ Zoom out or pan
to find the
samples.
³ Reduce input
power.
The application freezes and you
cannot use the Start/Stop
button.
³ The unit was
turned off while
the application
was sampling.
³ Turn on the unit
again, then restart
the application on
the host
computer.
The application does not start
at all
³ The MCR is not
installed
³ The system path
is incorrect
³ The MCR version
is incorrect
³ Install the MCR
using the
MCRinstaller
³ See Installing the
Matlab Runtime,
USB Drivers and
Optical Sampling
Oscilloscope
Software on
page 12.
³ When receiving a
new software
update from
EXFO, make sure
that you use the
correct MCR
version.
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