Nikon Eclipse E400 POL Manuale di istruzioni - Pagina 36
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© Countermeasure
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The image is yellowish.
Use the NCB11 filter.
(p.20)
The lamp voltage is too low.
The image is too bright.
The lamp voitage is too high.
inadequate illumination
{also check the electrical
system problems and
countermeasures).
The lamp voltage is too low.
The condenser is too low.
Focusing is not possible
with high-power objectives.
The specimen is placed upside-down.
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 cover glass is too thick.
The difference in focus is
large when the objective is
changed.
When viewing through
the binocular eyepiece,
the image does not resolve
into a single image.
Eye strain develops white
viewing.
The interpupillary distance has not been
adjusted.
The brightness level is not suitable.
Adjust the brightness through the ND
filter combination.
(p.20)
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