Olympus BHT-312 Інструкція з експлуатації - Сторінка 20
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e) Re s olut ion Pr oble ms :
o lm ag e is not s h arP .
o Insufficient contrast.
o lmage details lack defi-
n i t i o n .
Insert nosePiece dovetail into
microscope frame all the waY,
then lock.
Nosepiece is not correctlY
m ou n t e d .
Click nosePiece into Place.
Objective is not correctlY
positioned in the light Path.
R otate correction col lar, keep-
ing specimen in fine focus
u nt i l oP t i m u m r e sol u t i o n i s
ob t a i n e d.
Objective correction collar is
not adjusted.
Clean front lens.
Dust on objective front lens'
U se i m m er si on oi l .
lmmersion objective is not
us ed wi t h i m m er si on oi l .
Remove bubbles (and reap-
p l y o i l ) .
B u b b l e s i n i m m e r s i o n o i l '
U se Ol ym P u s i m m er s i o n oi l .
lmmersion oil designated bY
Oly m pu s i s n ot u se d.
Di rt y sp e ci me n s.
Dust on condenser lens.
lnsert nosePiece dovetail into
microscope frame all the waY,
t h e n l o ck.
Nosepiece is not correctlY
mounted.
f ) F i eld of v i ew is P art iall Y
out of focus, or image is
PartlY out of focus.
Slightly rotate nosePiece until
i t cl i ck s i n p l a ce .
Objective is not correctlY
positioned in the light Path.
Place specimen slide correctlY
on stage, and Place stage cliPs
open it.
Specimen is not correctlY
positioned on stage.
Insert nosePiece dovetail into
microscope frame all the waY,
t he n l o ck.
Nosepiece is not correctlY
m o u n t e d.
g) Specimen image is Partial-
ly out of focus.
SlightlY rotate nosePiece until
i t cl i c ks i n t o P l ac e.
Objective is not correctlY
pos i t i o ne d i n t h e l i g h t P at h .
Center condenser.
Condenser is not centered.
h) Field of view becomes
o nly s ligh tlY bri ghte r bY
increasing voltage.
Adjust condenser height.
Condenser is lowered too
m u ch .
2. Electric System
Match selector switch to
mains voltage.
Line voltage selector switch
is not matched with local
mains voltage.
a ) l llu mi nato r i s to o bri ght
(or too dark) even when
adjusting control lever.
b ) V olt age for il lum in ator
cannot be raised.