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EXFO PSO-100 Series Optical Sampling Oscilloscopes User Manual

Page 97

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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