Maintenance
Keysight
N4375D Lightwave Component Analyzer, User’s Guide
115
Procedure for stubborn dirt
Use this procedure when there is
greasy dirt on the connector.
1 Moisten a new cotton swab with isopropyl alcohol.
2 Clean the connector by rubbing the cotton swab over the
surface using a small circular movement.
3 Take a new, dry soft tissue and remove the alcohol,
dissolved sediment and dust, by rubbing gently over the
surface using a small circular movement.
4 Blow away any remaining lint with compressed air.
Alternative procedure
A better, more gentle, but more
expensive cleaning procedure is to use an ultrasonic bath
with isopropyl alcohol.
1 Hold the tip of the connector in the bath for at least
three minutes.
2 Take a new, dry soft tissue and remove the alcohol,
dissolved sediment and dust, by rubbing gently over the
surface using a small circular movement.
3 Blow away any remaining lint with compressed air.
How to clean connector interfaces
C A U T I O N
Be careful when using pipe cleaners, as the core and the bristles of
the pipe cleaner are hard and can damage the interface.
Preferred procedure
Use the following procedure on most
occasions.
1 Clean the interface by pushing and pulling a new, dry
pipe cleaner into the opening. Rotate the pipe cleaner
slowly as you do this.
2 Blow away any remaining lint with compressed air.
Procedure for stubborn dirt
Use this procedure when there is
greasy dirt on the interface.
1 Moisten a new pipe cleaner with isopropyl alcohol.
2 Clean the interface by pushing and pulling the pipe
cleaner into the opening. Rotate the pipe cleaner slowly
as you do this.
3 Moisten a new cotton swab with isopropyl alcohol.
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