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Table of Contents
E.15 How to clean instruments with a recessed lens inter-
face ..................................................................................265
Preferred Procedure .............................................................266
Procedure for Stubborn Dirt ................................................266
E.16 How to clean optical devices which are sensitive to me-
chanical stress and pressure .........................................267
Preferred Procedure .............................................................267
Procedure for Stubborn Dirt ................................................267
Alternative Procedure ..........................................................267
E.17 How to clean metal filters or attenuator gratings 268
Preferred Procedure .............................................................268
Procedure for Stubborn Dirt ................................................268
E.18 Additional Cleaning Information .......................268
How to clean bare fiber ends ...............................................269
How to clean large area lenses and mirrors .........................269
Preferred Procedure .............................................................269
Procedure for Stubborn Dirt ................................................270
Alternative Procedure A ......................................................270
Alternative Procedure B ......................................................271
E.19 Other Cleaning Hints ...........................................271
Making the connection ........................................................271
Lens cleaning papers ...........................................................271
Immersion oil and other index matching compounds .........272
Cleaning the housing and the mainframe ............................272
F Error messages
F.1 Display Messages ...................................................275