15
5 . Project the arc image on the white paper, then center and
sharpen it by manipulating the collector focusing knob 6,
burner left/right centering knob 7 and burner up/down
centering knob 8 on the lamp housing. (Figs. 4 & 5)
#There may be causes in which the arc image projected
on the white paper is a mirror-reflected image. If the
arc image moves when the mirror left/right centering
screw 9 or mirror up/down centering screw a is turned,
it is a mirror-reflected image; bring it out of the field and
center the arc image as described above. (Fig. 4)
6 . Manipulate the burner left/right centering knob 7 slightly
to move the arc image to the right (or left). (Figs. 4 & 6 A)
7 . Using the Allen wrench provided with the illuminator, turn
the mirror focusing screw 9, mirror left/right centering
screw 9 and mirror up/down centering screw a to form
the mirror-reflected arc image on the white paper. (Figs. 4
& 6 B)
8 . Adjust the mirror centering screws 9 and a to move the
direct and mirror-reflected arc images in the symmetrical
position between each other, and turn the mirror focusing
screw b to adjust the size of the mirror-reflected image
until it is identical to that of the direct image. (Figs. 4 & 6 C)
9 . Turn the burner left/right centering screw 7 to overlap the
direct image with the mirror-reflected image. (Figs. 4 & 6 D)
10. Engage the 10X objective in the light path while continuing
to use the B-excitation mirror.
11 . P l a c e a s p e c i m e n o n t h e s t a g e a n d b r i n g i n t o a p p r o x i m a t e
focus.
12. Lo o k int o the ey epi e ce an d mani pul ate th e col l ect or
focusing knob 6 to make the field as bright as regular
as possible, then turn the knob clockwise to tighten.
(Fig. 4)
}Maintain this condition until the next time the burner is
replaced.
Fig. 4
Fig. 5
Fig. 6
…
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‡
‹
Š
‰
Fig. 6
Mirror reflected
image
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®
¯
¶
Termin a l
Arc image
Termin a l
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