Olympus U-BI30-2 Anleitung Handbuch - Seite 14

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USING THE CONTROLS

4-1 Power Supply Unit TH4

}Please also refer to the separate instruction manuals. Note that, when the BX-UCB control box is used to supply the lamp

power, the brightness should be controlled from the PC.

4-2 Motorized Illuminator with Motorized Focusing Unit BXFMA-F

}The following description deals with the standalone operations in the system without using a PC.

Fig. 4

Fig. 5

Selecting the Observation Light Path

Press the BF button 1 or DF button 2 of the hand switch to set the

mirrors for the desired observation system.

BF: Reflected light brightfield light path

DF: Reflected light darkfield light path

Centering the Field Iris Diaphragm (FS)

}Since the field iris diaphragm is usually used in the fully open condition,

the illuminator employs a method in which the auxiliary lever 4 is inserted

as required.

1. Press the BF button 1 of the hand switch to select the reflected light

brightfield light path.

2. Press the objective button 3 of the hand switch to engage the 10X

objective in the light path, place the specimen on the specimen table

and bring the specimen into approximate focus.

3. Screw the field iris diaphragm auxiliary lever 4 into the illuminator and

pull the lever to stop down the field iris diaphragm.

4. Insert the Allen screwdriver, provided with the illuminator, into each of the

two FS centering screws 5 and turn them until the field iris diaphragm

image becomes concentric with the field iris.

5. While pushing in the field iris diaphragm auxiliary lever 4, open the field

iris diaphragm until the field iris diaphragm image is inscribed with the

field of view. If their centers are deviated, center the field iris diaphragm

again.

6. Open the field iris diaphragm until the field iris diaphragm image circum-

scribes (becomes the same size as) the field of view.

(Fig. 4)

(Figs. 4 & 5)