Olympus U-25ND25 Petunjuk Manual - Halaman 29

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Rectangular Field Stop Unit BX-RFSS (for exclusive use with the BX-RFA/RFAA)

}When fluorescence images are recorded with the TV camera for observation or image processing, this unit projects a

rectangular iris diaphragm image with size variable according to the captured image size. This helps prevent color fading

of specimen due to other reasons than image capturing.

Clamping screw holes

Adjustment screws

Installation Procedure (Fig. 8)

Operation Procedure

1. Insert the provided adjustment knobs into the two adjustment screw holes near the front panel, and move the two sides

of the rectangle to the desired position by turning the knobs.

2. Insert the adjustment knobs into the two adjustment screw holes near the rear panel, and move the other two sides of the

rectangle by turning the knobs.

3. After the desired shape has been obtained by moving the sides, remove the adjustment knobs.

}Rectangle area: A rectangle which circumscribes the field with a number of 22 (the center of the rectangle should be

located at the center of field). The rectangle iris diaphragm cannot be rotated.

NOTES

The BX-RFAA illuminator cannot be attached or removed while the BX-RFSS is installed. If you want to install the BX-RFAA

illuminator, remove the BX-RFSS temporarily.

Fig. 8

}The adjustment knobs can be stored by in-

serting them in the adjustment holes of the

upper adjustment screws.

1. Using the Allen screwdriver, loosen and take out the field iris diaphragm

clamping screw @ of the BX-RFAA.

2. Remove the field iris diaphragm by pulling it toward you.

3. Insert the BX-RFSS rectangular field stop into the position of the field iris

diaphragm then tighten the clamping screw @.

Adjustment knobs (x 2)