Olympus IX71 - Manual (Page 55)

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IX71/IX51
Problem Cause Remedy Page
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g) Image is blurred. Objective is engaged incorrectly in the
light path. Make sure that revolving nosepiece
clicks into place correctly.
Specimen is tilted with respect to the
stage. Place the specimen correctly on the
stage and secure it with the specimen
holder.
h) Field of view of one eye does not
match that of the other.
The interpupillary distance is incorrect. Adjust the interpupillary distance.
Incorrect diopter adjustment. Adjust the diopter.
You are not accustomed to parallel
optical axis. When looking into eyepieces, do not stare
at image from the beginning but see the
overall field of view. It is sometimes
recommended to turn your eyes away
from the eyepieces, look far off and
look into the eyepieces again.
i ) The coarse/fine adjustment knobs
will not rotate easily or at all.
The transport lock is not released. Release the transport lock.
The rotation tension adjustment ring is
too tight. Loosen the ring optimally.
The pre-focusing lever is locked. Unlock the pre-focusing lever.
j ) The revolving nosepiece lowers by
its own weight or defocusing occurs
due to slipping of fine adjustment.
The rotation tension adjustment ring is
too loose. Tighten the ring optimally.
k) The coarse focus adjustment cannot
move the objective above a certain
level.
The pre-focusing lever limits the lower
limit. Unlock the pre-focusing lever.
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