E Cleaning Information How to clean instruments with a physical contact interface
292 E6000C Mini-OTDR User’s Guide, E0302
Infrared sensor card To assess the projection of the emitted light beam you can
use an infrared sensor card. Hold the card approximately
5 cm from the 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.
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