Olympus BX51M Gebruiksaanwijzing - Pagina 23

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TROUBLESHOOTING GUIDE

Under certain conditions, performance of the unit may be adversely affected by factors other than defects. If problems occur,

please review the following list and take remedial action as needed. If you cannot solve the problem after checking the

entire list, please contact your local Olympus representative for assistance.

Problem

1. Optical System

a) Bulb does not light.

b) Bulb lights but the field of view is

dark.

c) Field of view is obscured or not

evenly illuminated

d) Dirt or dust is visible in the field of

view.

e) Image glares.

f ) Visibility of observed image is poor.

· Image is not sharp.

· Contrast is poor.

· Details are poorly visible.

· Darkfield observation is poorly vis-

ible (with flare tendency)

Cause

Bulb is burned out.

The aperture or field iris diaphragm is

closed.

Analyzer and polarizer are engaged in

light path.

Light path selector knob of trinocular tube

is pasitioned halfway.

Mirror selector lever is in an intermedi-

ate position.

Light path selector knob of trinocular tube

is in positioned halfway.

Mirror selector lever is in an intermedi-

ate position.

Revolving nosepiece is not in a click po-

sition.

Revolving nosepiece is not installed cor-

rectly.

Field iris diaphragm is not centered.

Field iris diaphragm is closed too much. Open it sufficiently.

Filter is not in a click position.

ND filter is not in a click position.

ND filter is half interlocked.

Lamp bulb is not installed correctly.

Analyzer and/or polarizer not installed

correctly

Dirt/dust on specimen

Dirt/dust on eyepiece

Dirt/dust on extremity of objective

Aperture iris diaphragm is closed too

much.

Objective in use is not designed for UIS2

(UIS) series.

Dummy slider is not inserted in revolv-

ing nosepiece.

Revolving nosepiece is not installed cor-

rectly.

Remedy

Replace bulb.

Open the aperture and field iris dia-

phragms.

Disengage them from light path.

Set the light path selector knob to po-

sition

Set the knob correctly.

Set the light path selector knob to a

click position according to the pur-

pose.

Set the knob correctly.

Set it in a click position.

Secure it by pushing in the sliding

dovetail all the way until the stopper.

Center the field iris diaphragm correctly.

Set it in a click position.

Set correctly to interlock or release ND

filter.

Push halogen bulb terminals all the

way into stop position.

Engage analyzer and polarizer in light

path.

Clean thoroughly.

Open it sufficiently.

Replace with a specified objective for

UIS2 (UIS) series.

Insert dummy slider.

Secure it by pushing in the sliding

dovetail all the way until the stopper.

BX51M

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