Olympus BHTP Series Buku Petunjuk - Halaman 20
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Halaman Cetak
VII. TROUBLESHOOTING
If you
are
unable t o
obtain full performanoe from your
microscope,
please
consult
the
table below as a guide for troubleshooting.
1.
Optical
S y s m
TROUBLES
CAUSES
REMEDIES
(a) W%h illminator Bertrand
lens
is
engaged.
Disengage.
Analyzer
and
polarizer
at^
in Disengage analyf er.
field
of
view
position
rO:Om).
cannot be
seen.
(b)
Field
of view
is Li~ht
path s e W r I m r is
Push
in lever up to
w
V.
cutoffor
stopped midway.
(for
ilturninated
tinocular tube)
irregularly
Nmepim is ml clicked
Sli hfly
mtate
nosegem until
~ P w -
it
c&cb into po.ti o n.
Nosepiece is
not correctly
Insert sliding
dwetai
mount
attached
t a
stand.
into stand all the wy, until
it
stops, then lock.
Condenser
is
not comdly
Reinsert
wndensar
all the
mounted on rinn mount.
WY.
Test plate is
stopped
h h plate all
the
way
until
it
midway.
clicks.
In case
o f
ortho~eopic
Swing it out
of
light
path.
ohemtion, condensar top
lens stays
in l i h t
path
or
stom midway.
- -
Field iris diaphragm is
Open field diaphragm fully
stopped dawn excessidy.
until it
lust
disappears from
field d view.
Lamp
is
not correctly
Re-insert lamp c o m t l y .
attached.
(c) Dust or
diR
is
Dust or d r t
on
glass
surface
Clean
o f f
dust or dirt by using
visible in field
at light exjt on base.
a blower.
-
af view.
Dust
wl
corrdenser top lens.
Dust
on
eyepiece.
(d) Excessive
Condenser is I w m d
image
excessively.
Raim condenser.
contrast
Aperture iris diaphragm
is
Open aprtuw diaphmgm to
stopped down
sxcessivety.
70-80%
of
objecth tens iilled
(e) Resdutlon
problems:
Image is
rwt
sharp
n Insufficient
m+t.
o tmqe
detalls
lack ddlnitlon
with light.
Nosepiece
is
not
correctly
Insert sliding dovetall
mourgt
all
attached.
the way, until
it
stops,
then
lock
ObjiJctiw is
nat
cwmctly
Slightly
r o t a t e
nosepiece until
positioned
in light path.
it clicks into
mition.
Dirt
MI
objectiw front lens.
Clean obHve.
Immersion
objectiveis used Apply immersion oil.
witlSout imersipn oil,
Bubbles
In
Immersion oil.
Refme bubbles.
Olympus designated
oil
is
Use designated
oil.
not used.
Dlrty specimen.
Clean.
. Dirt
on wndenser
lens.
*imen
is
not
properly
Adjust Illumination. Use Kohler
llumlnated.
type illuminatim.