Chapter 5 Troubleshooting
23
Troubleshooting on Operation
Trouble Cause Countermeasure
The image is not in focus
although the zoom body is
moved to the lowest position.
The position of the specimen is
extremely low.
Adjust the position of the specimen
with the stage height adjustment knob.
(p.12)
The image is not in focus
although the stage is moved
to the higher limit position.
The zoom body is raised too high.
Adjust the position of the zoom body
with the focus knob. (p.12)
After changing the zoom
magnification, the specimen
goes out of focus.
The diopter adjustment has not been
performed.
Perform the diopter adjustment. (p.9)
After changing the objective
the specimen goes out of
focus.
The diopter adjustment has not been
performed.
Perform the diopter adjustment. (p.9)
The interpupillary adjustment has not
been performed.
Perform the interpupillary adjustment.
(p.9)
The images viewed through
the binocular eyepieces do
not merge into one.
The diopter adjustment has not been
performed.
Perform the diopter adjustment. (p.9)
The interpupillary adjustment has not
been performed.
Perform the interpupillary adjustment.
(p.9)
The diopter adjustment has not been
performed.
Perform the diopter adjustment on the
right and left eyepieces. (p.9)
Eyes get tired during
observations.
The brightness is insufficient. Adjust the environmental light.
The coarse focus knob and
the coarse stage height
adjustment knob are too
tight.
The torque adjustment knob is
tightened extremely.
Loosen the knob properly. (p.12)
The specimen goes out of
focus over time. (The zoom
body or the stage descends
with its own weight.)
A torque adjustment knob is loosened.
Tighten the coarse torque adjustment
knobs to increase the torque so that
the zoom body and the stage do not
descending with their own weight.
(p.12)
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