Olympus CHA-P Kullanım Kılavuzu - Sayfa 16
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Troubles
Causes
Remedies
1. Optical System
(a) With
the
illuminator
The
condenser is lowerd
exces-
Raise the condenser to the upper
switched on,
the
field sively.
limit.
of view cannot be seen.
Analyzer and polarizer
are
in the
Set them
at
the position
"0:90"
or
"crossed filter" position
("0:O").
*'90:0".
(bl The
field
of view
i s cut
The nosepiece is
not
click
stopped.
Slightly rotate the
nosepiece until
off or illuminated irreg-
it
clicks
into position.
ularly.
The
condenser is
not correctly
R e - i n ~ r t the
condenser
all
the
way.
mounted on the
ring mount.
The
sensitive
tint
plate is stopped
Push the
plate all the way until
it
midway.
clicks.
In case of orthoscopic observation,
Swing
it
out
of the light path.
the
condenser
top lens stays
in the
light path
or
stops
midway.
(c
1
Dust
or
dirt
is
visible in
Dust or dirt on the glass surface
at
the field
of view.
the light exit on the base.
Dust on condenser
top lens.
Clean off the
dust or dirt.
Dirty
specimens.
Dust
on eyepiece.
(d)
Excessive imagecontrast.
She
condenser is lowered exces-
Raise the condenser.
sively.
The
aperture
iris diaphragm is
stop-
Open the diaphragm.
ped
down excekively.
(e)
Resolution problems:
The objective
is
not correctly posi-
Slightly rotate the
nosepiece
until
0
Image
is
not
sharp.
tioned
in
the lighf path.
it
clicks into
position.
0
Insufficient contrast.
0
Image
details
lack defini-
Dirt on objective front lens.
Clean
the
objective.
tion.
The immersion objective is
used
Apply immersion oil.
without immersion
oil.
Bubbles in the
immersion oil.
Remove
bubbtes.
The Olympus designated oil i s not
Use the designated oil.
used.