Nikon ECLIPSE E600 Instructions Manual page 33

Problem Cause
Countermeasure
The image is yellowish.
An NCB11 filter is not being used. Use the NCB11 filter. (p. 20)
The lamp voltage is too low.
The image is too bright. The lamp voltage is too high.
Inadequate illumination
(also check the electrical
system problems and
countermeasures).
The lamp voltage is too low.
Push auto-photo switch and then adjust the
brightness through the ND filter combina-
tion. (p. 20 and 21)
The aperture diaphragm is stopped down too
far.
Open the diaphragm to a suitable size. (p. 18)
The condenser is too low.
Position the condenser so that the image of
the field diaphragm forms properly on the
specimen. (p. 17)
Focusing is not possible with
high-power objectives.
The specimen is placed upside-down.
Set the specimen on the stage with the cover
glass facing up.
The cover glass is too thick.
Use the specified type of cover glass
(thickness: 0.17 mm).
The objective strikes the
specimen when changing from
a low-power objective
to a high-power objective.
The specimen is placed upside-down.
Set the specimen on the stage with the cover
glass facing up.
The cover glass is too thick.
Use the specified type of cover glass
(thickness: 0.17 mm).
The diopter setting has not been adjusted. Adjust the diopter setting. (p. 16)
The difference in focus is large
when the objective is changed.
The diopter setting has not been adjusted. Adjust the diopter setting. (p. 16)
The specimen does not move
smoothly.
The specimen holder is not fixed securely in
place on the stage.
Secure the specimen holder in place. (p. 27)
When viewing through
the binocular eyepiece,
the image does not resolve
into a single image.
The interpupillary distance has not been
adjusted.
Adjust the interpupillary distance. (p. 16)
The diopter setting has not been adjusted. Adjust the diopter setting. (p. 16)
Eye strain develops while
viewing.
The interpupillary distance has not been
adjusted.
Adjust the interpupillary distance. (p. 16)
The diopter setting has not been adjusted. Adjust the diopter setting. (p. 16)
The brightness level is not suitable.
Adjust the brightness through the ND filter
combination. (p. 20)
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