(13)Data Mask IN/OUT Lever of NFX-35 Dark Box
This IN/OUT lever is used when an optional
data back is attached to the dark box instead of
its rear cover to print data directly on the film.
Since the area of the film right beneath the
data mask is darker than the rest of the film
surface, data can be printed clearly on this
area. Put the data mask in for a sample with
bright background. You may not need to put it
in for a sample with dark background.
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Data mask is in the film frame
(Inside the rearcover of the dark box.)
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I When the optional data back is not used, keep the IN/OUT lever always :
: turned to "OUT" to perform photomicrography without the data
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1 mask.
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Refer to the instruction manual of your data back on how to operate it or how to attach it to
a dark box.
4. Dealing with Vibration
Install the microscope on a robust, vibration-resistant desk or on a vibration-resistant
mount.
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