Olympus CHT Instructions Manual - Page 21
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Trouble
Cau,.
_J_._
Remedy
----
2.
Fl)CU~
adjustment me£hanism
-
a)
Coarse adjus.tment knobs
Tension adjustment ring is tightened
Loosen the tensi'on adjustment ring
are too tight.
lOO
much.
slightly. (p.121
User is trying to raise the stage, passing
Unlock the pre-focusing lever. (p.
13)
over the upper focusing limit imposed
by the engaged prE1-(0cuSI ng le'JIer.
b} Stage drops and the speci-
Tension
adju~tmerlt
ring
'IS
too loose.
Tighten the ring properly. (p 12)
men goes out of focus.
c) Stage Gannot be raised to
Pre· focusi ng lever is engaged in lower
Unlock the lever. (po 13)
the upper limit.
than focusing position.
d) Stage cannot be lowered
Subslage is lowered
'100
much.
Raise the subs lage.
to the lower limi I of the
working range-
-
e)
Objeclive front lens
Specimen is mounted on the stage up-
Reverse the specimen. (p.9)
touches the specimen.
side down .
3.
Binocular tube
.
'
I
Incomplete binocular
IntErpupillary distance is not correctly
Correct the interpupillary distance.
vision
adju51ed.
(p.lOl
- - -
,
Diopler adlustment is incomplete.
Complete the djopler adjustment. (p.ll)
- - - - _
..
Right
and
left
eyepieces
are not
Use a pair a f matched eyepieces.
matched.
User is unaccustomed to binocular vi-
Pnor to looking at the image of Ihe
sian.
specimen, try
to
look at Ihe entire
field of vievv, or look at a far away
LObiect
before resuming m ieroscopic
observation.
4. Stage
al
Image wSlly gOes out of
Stage clamping knobs are nol tight·
Tigh ten clamp ing I<nobs with a coin
locus when you touch the
ened.
secure'y.
(p.
7)
stage.
_.-
b}
J
mage blurs as you move
Specimen is not correctly positioned
Adjust specimefl positioTl lp
9~
the
~;pecirnen.
on the -stage.
5.
Objective change
.r
-
Front lens 01 hIgh power
Speci-men
IS
mounted on the stage up·
Reverse the specimen.
(p.g)
objective comes into can·
side down.
tact With specimen when il
..
- -
IS
engaged after low power
Cover glass is
100
th ick.
Use a 0.17 rnm-thick cover glass.
(p 10)
objective.
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