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Cleaning Information
How to clean instruments with a recessed lens interface
interface. The invisible emitted light is project onto the card and
becomes visible as a small circular spot.
Preferred Procedure
Use the following procedure on most occasions.
1. Clean the interface by rubbing a new, dry cotton-swab over the
surface using a small circular movement.
2. Blow away any remaining lint with compressed air.
Procedure for Stubborn Dirt
Use this procedure particularly when there is greasy dirt on the
interface:
1. Moisten a new cotton-swab with isopropyl alcohol.
2. Clean the interface 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.
E.15 How to clean instruments with a recessed
lens interface
WARNING For instruments with a deeply recessed lens interface (for example the
Agilent Technologies 81633A and 81634A Power Sensors) do NOT
follow ths procedure. Alcohol and compressed air could damage your
lens even further.