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CAU T ION
Agilent N4373A Lightwave Component Analyzer, First Edition
Procedure for stubborn dirt Use this procedure when there is
greasy dirt on the lens.
1 Moisten a new cotton swab with isopropyl alcohol.
2 Clean the lens by rubbing the cotton swab over the
surface using a small circular movement.
3 Using a new, dry cotton swab remove the alcohol, any
dissolved sediment and dust.
4 Blow away any remaining lint with compressed air.
How to clean instruments with a fixed connector interface
You should only clean instruments with a fixed connector
interface when it is absolutely necessary. This is because it
is difficult to remove any used alcohol or filaments from the
input of the optical block.
It is important, therefore, to keep dust caps on the
equipment at all times, except when your optical device is in
use.
Only use clean, dry compressed air. Make sure that the air is free of
dust, water, and oil. If the air that you use is not clean and dry, this
can lead to filmy deposits or scratches on the surface of your
connector interface. This will degrade the performance of your
transmission system.
Never try to open the instrument and clean the optical block by
yourself, because it is easy to scratch optical components, and
cause them to become misaligned.
If you do discover filaments or particles, the only way to
clean a fixed connector interface and the input of the optical
block is to use compressed air.
If there are fluids or oil in the connector, please refer the
instrument to the skilled personnel of the Agilent service
team.
How to clean instruments with a physical contact interface
Remove any connector interfaces from the optical output of
the instrument before you begin the cleaning procedure.
Cleaning interfaces is difficult as the core diameter of a
single- mode fiber is only about 9
you cannot see streaks or scratches on the surface. To be
Troubleshooting and Maintenance
µ
m. This generally means
89
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