Olympus BX53M-P Manuel d'instructions - Page 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. The analyzer is not in the light path. Engage the analyzer

Cause

Bertrand lens is engaged.

In the extinction condition.

Test plate is stopped at an

intermediate position.

During orthoscopic observation,

the condenser 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.

I n t e r m e d i a t e a t t a c h m e n t f o r

orthoscopic observation (U-OPA) is

attached.

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 image.

BX53/BX53M-P

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