Olympus BHS-651P Manuel d'instruction - Page 22
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1
Troubles
Causes
Remedies
(a) Coarse adjust-
ment is too tight.
Tension adjustment ring is tighten-
ed too much.
Loosen tension adjustment ring
proper1 y.
(b) Stage drops or
specimen goes
out of focus.
User is trying to raise stage passing
over upper focusing limit imposed
by engaged pre-focusing lever.
Tension adjustment
ring is too
loose.
Unlock pre-focusing lever.
Tighten ring properly.
(c) Stage cannot be
raised to upper
limit.
Pre-focusing lever is engaged in
lower than focusing position.
Unlock pre-focusing lever
Raise condenser mount.
!
Condenser mount is lowered too
much.
(d) Stage cannot be
lowered t o lower
limit of working
range.
(e) Objective front
lens hits against
specimen.
Specimen is mounted on stage up-
side down.
Reverse specimen.
4.
Observation Tube
(a) Incomplete
binocular vision.
lnterpupillary distance is not cor-
rectly adjusted.
Diopter adjustment is incomplete.
User is unaccustomed with a bino-
cular vision.
Correct interpupillary distance.
Complete diopter adjustment.
Right and left eyepieces are not
matched.
Prior t o looking at the image of
specimen, try t o look entire field
of view, or look at a far away ob-
ject before resuming microscopic
observation.
Use a pair of rriatched eyepieces.
/
5.
Stage
Stage
is
not correctly clamped.
Clamp stage securely.
(a) l mage easily goes
out of focus
when you touch
stacle.
(b)
Specimen stops
midway on the
X or Y traverse.
Specirnen is not corre'ctly posi-
tioned on stage.
Adjust specimen position.
(c) When stage is
rotated, image of
specimen goes
out o f field o f
J
1
view.
<
_ i
Stage is not centered or objective
is not.
Center.