37
Troubles Causes Corrective Measures
Image dark on one side.
Revolving nosepiece not in
click-stop position.
Revolve to click-stop position.
Specimen rises from stage
surface.
Stabilize it using the holder.
Image shifts during focus.
Revolving nosepiece not in
click-stop position.
Revolve to click-stop position.
Field lens unit not installed
correctly.
Install correctly. (P. 31)
Specimen rises from stage
surface.
Stabilize it using the holder.
Image tinged yellow.
Blue filter not used. Use blue filter. (P. 27)
Lamp voltage too low. Adjust the voltage by rotating
the brightness control dial.
(P. 14)
Image too bright.
Lamp voltage too high. Adjust the voltage by rotating
the brightness control dial.
(P. 14)
Insufficient brightness.
Lamp voltage too low. Adjust the voltage by rotating
the brightness control dial.
(P. 14)
Incorrect input voltage. Using the voltage selector,
select the voltage that
corresponds to the voltage
provided in your region. (P. 26)
Condenser position too low. Position the condenser slightly
lower than the upper limit.
(P. 19)
Aperture diaphragm closed too
far.
Open properly. (P. 20)
(Also see the causes and corrective measures for electrical problems.)
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