Olympus BX46 Manual de instruções - Página 30
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Problem
Dirt or dust is visible in the field
of view.
Visibility is poor
· Image is not poor.
· Contrast is poor.
· Details are indistinct.
· Image glares.
One side of image is blurred.
Image appears to waver.
Coarse adjustment knob is hard
to turn.
Image cannot be focused:
· Objective drifts down by itself.
· Fine adjustment knob slips.
Coarse adjustment will not go all
the way down.
Objective makes contact with
s p e c i m e n b e f o re f o c u s i s
obtained.
26
Lamp
Cause
Common
Dirt/dust on the eyepieces.
Common
Dirt or dust on condenser top
lens.
Common
Dirt/dust on the specimen.
Common
A non-UIS/UIS2 objective is
used.
Common
Condenser height is too low.
Common
Aperture iris diaphragm is not
opened enough.
Common
Front lens of objective is dirty.
Common
Immersion oil is not being used
with an oil immersion objective.
Common
Immersion oil contains bubbles.
Common
Recommended immersion oil is
not used.
Common
Dirt/dust on specimen.
Common
Dirt/dust on condenser top lens.
Common
Objective is not correctly engaged
in light path.
Common
Stage is not correctly mounted.
Common
Specimen is mounted upside
down.
Common
Objective is not correctly engaged
in light path.
Common
Condenser is not properly
centered.
Common
Tension adjustment ring is
tightened excessively.
Common
You are trying to raise stage
without coarse adjustment knob
while pre-focusing lever is kept
locked.
Common
Tension adjustment ring is too
loose.
Common
Pre-focusing lever is locked at a
high position.
Common
Specimen is mounted upside
down.
Remedy
Clean thoroughly.
Use only UIS2/UIS series objectives
with this microscope.
Adjust correctly.
Open aperture iris diaphragm.
Clean objective.
Use immersion oil.
Remove the bubbles.
Use an Olympus-designated
immersion oil.
Clean it.
Make sure that revolving nosepiece
clicks into place correctly.
Re-attach it.
Mount specimen correctly.
Make sure that revolving nosepiece
clicks into place correctly.
Center the condenser.
Loose ring.
Unlock pre-focusing lever.
Tighten ring.
Unlock it.
Mount specimen correctly.
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