Olympus CX31 Gebruiksaanwijzing - Pagina 19
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Problem
2. Coarse/Fine Focus Adjustment
a) Coarse adjustment knob is hard to
turn.
b) Stage drifts down by itself or focus
is lost during observation.
c) Coarse adjustment will not go all
the way up.
d) Coarse adjustment will not go all
the way down.
e) Objective makes contact with
specimen
before
focus
obtained.
3. Observation Tube
Field of view of one eye does not
match that of the other.
4. Stage
Image blurs as you move specimen.
5. Objective Change
Front lens of a high power objective
comes into contact with specimen
when it is engaged after a low-power
objective.
6. Electrical System
a) Bulb does not light.
b) Bulb burns out almost immediately.
Cause
Tension
adjustment
overtightened.
Tension adjustment ring is too loose.
Simplified
pre-focusing
keeping the stage down.
Condenser holder is too low.
Specimen is mounted upside down.
is
Interpupillar distance is incorrect.
Incorrect diopter adjustment.
Your view is not accustomed to
microscope observation.
Specimen is not correctly positioned
on the stage.
Specimen is mounted upside down.
Cover glass is too thick.
Bulb is not mounted.
Bulb is burnt out.
Power cord plug is not connected.
Wrong type of bulb is used.
Remedy
ring
is
Loosen it.
Tighten it.
dial
is
Set
stopper
uppermost position.
Raise condenser holder.
Mount specimen correctly.
Adjust interpupillary distance.
Adjust diopter.
Upon looking into eyepieces, try
looking
at
overall
concentrating on specimen range.
You may also find it helpful to look
up and into distance for a moment
before looking back into microscope.
Mount
specimen
applying it on stage surface and
inserting below specimen holder.
Mount specimen correctly.
Use 0.17 mm thick cover glass.
Mount designated bulb.
Replace bulb.
Connect power cord.
Use correct bulb type.
CX31
Page
9
9
mechanism
to
9
13
–
11
11
field
before
–
correctly
by
10
–
10
6
6
6
6
16