30
9.3 Observation Tube
Problem
Cause
Remedy
1. Field of view does not match
with both eyes
Interpupillary distance is not
correct.
Adjust the interpupillary
distance.
Eyepiece diopter is not
adjusted.
Adjust the diopter.
Different eyepiece is used on
left and right.
Use the same type
(magnification, field number) on
both sides.
9.4 Stage and Focus Adjustment
Problem
Cause
Remedy
1. Coarse adjustment knob is
hard to turn
Tension adjustment ring is
tightened excessively.
Loosen ring.
Focus stopper lever is locked
Unlock focus stopper lever.
2. Stage falls down by itself
(Image is out-focused during
observation)
Tension adjustment ring is too
loose.
Tighten ring.
3. Image shifts when you touch
stage
Stage is not mounted properly.
Clamp Stage.
4. Coarse adjustment will not go
all the way up
Focus stopper lever is locked at
a too low height.
Unlock focus stopper lever.
5. Coarse Adjustment will not go
all the way down
Condenser holder is too low
Raise condenser holder.
Summary of Contents for PA53MET
Page 13: ...13 6 NOMENCLATURE...
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Page 15: ...15 Control box and control pad are provided PA53MET 3D PA53MET BD 3D only...
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