Barco R9001330 Owner's Manual page 127

Appendix D : Lens Cleaning Procedure
the lens. Wipe at a speed that is equal to the evaporation rate. This
is very important to prevent streaking and spotting. Start your
wiping at one side of the lens and, with successive wipes, move to
the other side. Turn the pad over for each wipe, then inside out. Do
not make more than one wipe per clean area of pad. Be careful of
the painted edge, since acetone will soften it.
D-2
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