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10. Troubleshooting Guide
Under certain conditions, performance of the microscope may be adversely affected by factors other than
defects. If problems occur, Please review the following list and take remedial action as needed. If you cannot
solve the problem after checking the entire list, please contact Huvitz
Problem
Cause
Remedy
Page
1. The left and right
fields of view do not
coincide
Interpupillay distance is adjusted
improperly.
Adjust it correctly
16
The parallax is not corrected.
Adjust it correctly
16-17
The magnifications of the left and
right eyepieces are different.
Use the eyepieces with the
same magnification for the
left and right by replacing
one of them.
24
2. Dirt to dust is visible in
the field of view
Dirt/dust on specimen
Clean Thoroughly
11
Dirt/dust on eyepieces
3. Visibility of observed
image is poor
Dirt/dust on the dustproof glass
on the tip of the objective
Clean Thoroughly
11
4. Zooming causes
defocusing of the
observed image.
The eyepiece diopter is adjusted
improperly.
Adjust it correctly.
16-17
The focus adjustment is
inaccurate.
Adjust the focus accurately.
14
5. The focus adjustment
knob does not rotate
smoothly.
The rotation tension of the knob
is set too high.
Decrease the rotation
tension to an optimum level.
15
6. The microscope body
drops spontaneously,
causing the focusing
to be deviated during
observation
The rotation tension of the knob
is set too low.
Increase the rotation tension
to an optimum level
15
7. The right field of view
or the monitor image
is cut off.
The light path selector lever is
not set properly to a stop position
Push in or pull out the lever
all the way till the stop
position.
20
8. Zooming causes
important defocusing
of the monitor image
The confocality of the TV camera
is adjusted improperly.
Adjust it properly.
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