Olympus CX21 Manual de instruções - Página 16
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TROUBLESHOOTING GUIDE
Under certain conditions, performance of the unit 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 Olympus for assistance.
Problem
1. Uneven brightness in observation
field.
2. Dust or stains are visible in obser-
vation field.
3. Observation image glares.
4. Observation image is whitish-
blurred or unclear.
5. Part of image is defocused or image
looks like it's flowing.
6. High-magnification objective
touches specimen just before
coming into focus.
7. The tension of coarse adjustment
knob it too high.
8. Focusing is impossible (because
the stage cannot be raised).
9. The stage lowers by its own weight
or focusing is lost due to slippage
of the knob.
10. Coarse focus adjustment cannot
lower the stage low enough.
11. Fields of view of two eyes do not
match.
13
Cause
The objective is not engaged in the light
path.
The condenser is too low.
The objective, eyepiece, condenser and/
or window lens are dirty.
The eyepiece, condenser, window lens
and/or specimen glasses are dirty.
The condenser is too low.
The condenser iris diaphragm ring is
stopped down excessively.
The objective is not engaged in the light
path.
The objective, eyepiece, condenser and/
or specimen glasses are dirty.
Immersion oil is not used with an immer-
sion objective.
Bubbles are mixed in the immersion oil. Remove the bubbles.
The specified immersion oil is not used. Use the immersion oil supplied by
The objective is not properly engaged in
the light path.
The specimen is not set properly on the
stage.
The specimen is upside down.
The coarse adjustment knob tension ad-
justment ring is set too tight.
The pre-focusing knob is positioned too
low.
The coarse adjustment knob tension
adjustment ring is set too loose.
The condenser is too low.
The interpupillary distance is not adjusted
properly.
Diopter compensation for the two eyes is
not set.
The left and right eyepieces are different. Replace one of them so that the left
Remedy
Engage the objective into position until
it clicks.
Raise it to the upper limit.
Clean them thoroughly.
Clean them thoroughly.
Raise it.
Adjust the aperture according to the ob-
jective magnification.
Engage the objective into position until
it clicks.
Clean them thoroughly.
Use immersion oil.
Olympus.
Engage the objective into position until
it clicks.
Set the specimen correctly on the stage
and secure using the specimen holder.
Set the specimen correctly with the
cover glass on the top.
Loosen the ring to adjust to proper
tension.
Raise its position.
Tighten the ring to adjust to proper ten-
sion.
Raise it.
Adjust it properly.
Adjust it correctly.
and right eyepieces are identical.
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