Z730 STEREO MICROSCOPE
UNITRON
®
11
TROUBLESHOOTING
Under certain conditions, performance of this unit may be adversely affected by factors other than
defects. If a problem occurs, please review the following list and take remedial action as needed. If you
cannot solve the problem after checking the entire list, please contact your local dealer for assistance.
PROBLEM
CAUSE
SOLUTION
PAGE
1
.
Incomplete binocular
vision.
Interpupillary distance
is not correctly
adjusted.
Adjust it correctly
8 – Fig. 6
Diopter adjustment is
incomplete.
Complete diopter
adjustment
2
.
Dirt is visible in field of
view
Dirt on specimen
Clean specimen
3 – Care &
Maintenance
Dirt on eyepiece
Clean eyepiece
3
.
The visibility of the
image is poor.
Dust on objective front
lens.
Clean lens surface
3 – Care &
Maintenance
4. Specimen image blurs
when zoom magnification
is changed.
Diopter ring is not
correctly adjusted.
Adjust it correctly.
8 – Fig. 7
Not in complete focus
on specimen.
Focus specimen
correctly at a high
magnification.
5
.
Coarse focus
adjustment knobs rotate
with too much resistance.
Tension adjustment
ring is too tight.
Loosen it properly.
9 – Fig 8
6
.
Zoom microscope body
drops or specimen goes
out of focus during
observation.
Tension adjustment
ring is too loose.
Tighten it properly.
9 – Fig 8
Summary of Contents for Z730 series
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