Olympus BX3-25ND25 Manuale di istruzioni - Pagina 17
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1
Fig. 6
A
B
C
D
Fig. 7
} This figure shows the images of the field of view
seen through the eyepieces during the mercury
burner centering. The actual views may differ from
these images depending on the condition of the
lamp housing.
· Operation with BX3-URA
4
2
3
} Set the main switch of the power supply unit for lamp housing to " I " (ON)
1. Close the shutter by sliding the shutter knob @ to position marked {.
2. Engage a mirror unit other than the ones for U-excitation (U-FUW, U-FUN,
3. Engage the 10X objective in the light path and place the U-CST centering
4. While looking into the eyepieces, focus on the cross lines for reflected
5. While looking into the eyepieces, adjust the stage to bring the center of
6. Turn the revolving nosepiece to engage the empty position (the objective
7. Open the shutter by setting the shutter knob @ to position marked \.
8. While looking into the eyepieces, turn the collector lens focusing knob
} The mirror arc image refers to the arc image projected from the reflection
} If the poles are displaced excessively, the arc image is not projected. In
9. Bring the arc image on the center of the right (or left) half of the field by
} Turning the centering knob 2 moves the arc image in the vertical direction
10. Insert the Allen screwdriver into the mirror focusing screw 5 (Fig. 8) on
11. Overlay the arc image with the mirror arc image by turning the burner
} During observation, adjust the collector lens focusing knob | so that the
When the illuminator is the BX3-URA, project the lighting section between
the poles (arc image) on the stage and adjust the positions of the poles
while observing the arc image position.
and wait until the illumination light stops flickering and its brightness is
stabilized.
U-FUNA) in the light path. You may use a fluorescence mirror unit for
U-excitation if you do not have other mirror units but, in this case, you
must always view the images through an anti glare plate.
target on the stage.
light (white surface).
the cross lines for reflected light (on the white surface) on the center of
the field of view.
cap should be removed) in the light path.
| to project the arc image and mirror arc image on the U-CST (A in
Fig. 7).
of the lighting section between the poles on the mirror built into the lamp
housing.
this case, try turning the burner centering knobs 2 3.
turning Turn the burner centering knobs 2 3 (B in Fig. 7).
and turning the centering knob 3 moves the arc image in the horizontal
direction.
the rear panel of the lamp housing and turn the screw to focus on the
mirror arc image (C in Fig. 7).
centering knobs 2 3 (D in Fig. 7).
observed field is uniform.
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