Olympus BX41-P Manuale di istruzioni - Pagina 33

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TROUBLESHOOTING GUIDE

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 needed. If you cannot solve the problem after checking

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

Trouble

1. Optical System

a. Bulb is lit, but field of view remains

dark.

b. Vignetting or uneven field of view.

c. The conoscopic image is not visible.

d. Extinction is not obtainable.

Cause

Bertrand lens is engaged.

In the extinction condition.

Test plate is stopped at an intermediate

position.

During orthoscopic observation, the con-

denser top lens is placed in the light path

or stopped at intermediate position.

Condenser top lens is not placed in

the light path.

Bertrand lens is not placed in the light path.

Intermediate attachment for ortho-

scopic observation (U-OPA) is attached.

The analyzer is not in the light path.

Remedy

Remove the Bertrand lens from the

light path.

Remove the analyzer from the light

path.

Set at click-stop position.

Remove top lens completely from the

light path.

Swing in the top lens.

Place Bertrand lens in the light path.

Replace it with the U-CPA if you have

one. If you don't, look into the eyepiece

sleeve to observe the conoscopic im-

age.

Engage the analyzer.

BX53/51/41-P

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