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phenomenon at the front of
test curve.
The reflection peak at the
beginning decreases slowly
and the tail appears.
Reflection peak at the end of
optical fibers cannot be
measured
Misreporting in curve analysis
The measurement of optical
fiber length is inaccurate
The average loss of optical
fibers measured is inaccurate.
The above description is for reference only. Please refer to the instructions for detailed usage. In the process of
using the instrument, if you have any questions, you can contact the instrument supplier to solve them.
Fiber coupling is not good.
The output surface of fiber is polluted.
The output connector is damaged.
Optical output connectors do not match.
The range setting is too small.
Pulse width setting is too small.
The quality of test curve is poor/the
setting of event threshold is small.
The parameter setting is incorrect.
The refractive index setting of optical
fibers is inaccurate.
Incorrect
setting
of
coefficient for optical cable.
The front end of the test curve is too
long.
Clean the instrument with clean cotton chips
and the measured optical fiber end face.
Replacement of output connector.
Replace connectors.
Replace matched connectors.
Increase the test range value.
Increase the test pulse width parameters.
Increase the test pulse width parameter/increase
the event threshold.
Reset the appropriate parameters.
Reset the refractive index of the optical fiber.
correction
Reset the cable correction factor.
Clean optical output face.
49
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