Olympus CHD Manual de instrucciones - Página 16

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Trouble
Cause
Aemedy
2.
Focus adjustment mechanism
.-
a) Coarse adjustment knobs
Tension adjustment ring is tightened
Loosen the tension adjustment r i
n~J
are too tight.
too much.
slightly (p.9)
User is trying to raise the stage, passing
Unlock the rre-focusing lever. (p. 9)
over the upper focusing limit imposed
by the engaged pre-focusing lever.
-
. -
b) Stage drops and the speci-
Tension adjustment ring is too loose.
Tighten the ring properly. (p.9)
men goes out of focus.
--_.
c) Stage cannot be raised to
Pre-focusing lever is engaged in lower
Unlock the lever. (P. 9)
the upper limit.
than focusing position.
.
-
--_._---_._
.
d) Stage cannot be lowered
Substage is lowered too much.
Raise the substage.
to the lower limit of the
working range.
.-
e) Objective front lens
Specimen is mounted on the stage up-
Reverse the specimen. (p. 6)
touches the specimen.
side down.
3:
Binocular tube
Incomplete binocular
Interpupillary distance is not correctly
Correct
the
interpupillary distance.
vision.
adjusted.
(p.7)
_
..-
- - - - - - -
Diopter adjustment is incomplete.
Comp Jete the diopter acljustmen t.
(p.7)
Right
and
left
eyepieces
are not
Use a pair of matched eyepieces.
matched.
. -
User is unaccustomed to binocular vi-
Prior to looking at the image of the
sion.
specimen, try
to
look at the entire
field of view, or look at a far away
object
before resuming microscopic
observation.
4. "Stage
a) Image easily goes out of
Stage clamping knobs are not tight-
Tighten the stage clamping screws with
focus when you touch the
ened.
a coil. (P. 5)
stage.
-
b) Image blurs as you move
Specimen is not correctly positioned
Place the specimen on the stage cor-
the speci men.
on the stage.
rectly. (p. 6)
6. QbJective change
When objectives are
Specimen is mounted on the stage up-
Reverse the specimen. (p. 6)
changed, the fron t lens of
side down.
the high power objective
Cover glass is too thick.
Use a 0.17 mm-thick cover glass.
touches the specimen.
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