Olympus bx40 - Page 28

Under certain conditions, performance of this unit may be adversely affected by factors other than defects. If problems
occur, please review the following list and take remedial action as appropriate. If you cannot solve the problem after
checking the entire list, please contact your local Olympus representative for assistance.
1. Optical System
a) Lamp does not light. | Bulb burned out.
Fuse burned out.
b) Lamp lights, but field of | Field stop is not open wide enough.
view remains dark e
| Condenser is too low.
| Replace bulb.
| Replace fuse.
| Open the field iris diaphragm
| Adjust the condenser position
| Light path selector lever is in the © Move the lever to the ao @ position.
d) Dirt or dust is visible in
the field of view.
| Dirt/dust on the specimen
| on the eyepiece
=
position. |
c) Field of view is ob- | Light path selector knob is in the middle | Set the knob according to the observation | 15
scured, or field of view | position. method.
is not evenly illumi- [e cen» e _—- =
nated. | The revolving nosepiece is not accurately Make sure that the objective clicks proper- 8
engaged. ly into place.
| You are using an objective that falls Use a condenser that matches the | 17
outside of the condenser's illumination objective.
| range.
E
| The condenser is not properly centered. Center the condenser. 16
The field iris diaphragm is stopped down Open the field iris diaphragm. 16
| too far.
3
The halogen bulb is not mounted prop- Push the pins of the halogen bulb in to
erly. the holes.
Dirt on the light exit glass
Dirt on the top surface of the condenser
Clean thoroughly.
ーーー ト ーー
e)
The
image
is
too
|
The
condenser
is
lowered
too
far.
Adjust
the
condenser
position.
16
contrasty
and
dark.
Γ
ーー
4
The
numerical
aperture
is
stopped
down.
Open
the
aperture.
17
|
too
far.
f)
Visibility
is
poor.
You
are
using
an
objective
that
is
not
|
Use
an
objective
made
for
the
UIS
series.
|
—
e
Image
is
not
sharp.
|
made
for
the
UIS
series,
|
+
Contrast
is
poor.
E
*
Details
are
indistinct.
The
objective
lens
is
not
properly
|
Make
sure
that
the
object
clicks
properly
|
8
positioned
in
the
light
path.
into
place.
The
cover
glsss
compensation
ring
is
Turn
the
compensation
ring
while
edjust-
|
一
|
incorrectly
adjusted
on
an
objective
with
|
ing
the
focus
to
search
for
best
focus.
|
such
a
ring.
|
|
]
|
The
tip
of
the
objective
is
dirty.
|
Clean
the
objective.
==
+
Immersion
oil
is
not
being
used
with
|
Use
oil.
19
|
an
oil
immersion
lens.
|
The
immersion
oil
contains
bubbles.
|
Remove
the
bubbles.
|
19
1
2
4
Table
7