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4-1
FRONT PANEL
(D
POWER
A power swi t c h .
P r e s s i n g t h e s w i t c h t u r n s t h e power on, and a n o t h e r p r e s s t u r n s t h e
power o f f .
(D
POWER LED
T h i s LED i n t e r l o c k s w i t h t h e POWER s w i t c h .
LED l i g h t s .
(D
SCALE ILLUNI/PULL TRACE ROTA c o n t r o l
SCALE ILLUM : Used t o a d j u s t
i 1 l u m i n a n c e
photographing; a d j u s t i t by t u r n i n g t h i s knob.
TRACE ROTA
: Used to c o r r e c t t h e i n c l i n a t i o n
the Knob pul led,
@
FOCUS/PULL ASTIG c o n t r o l
FOCUS : A f o c u s c o n t r o l .
ASTIG : Used t o a d j u s t the t r a c e or spot a s t i g m a t i o n w i t h the knob p u l l e d .
waveform c o n d i t i o n by a s t i g m a t i o n a d j u s t m e n t and f o c u s i n g .
t h a t a round spot i s observed.
4.
PANEL EXPLANATION
F i g .
1-1 Front
t h e i 1 l u m i n a n c e o f t h e s c a l e on t h e s c r e e n .
o f t h e s c a l e
f o r example, by e a r t h magnet ism.
panel
When t h e POWER s w i t c h i s t u r n e d on,
i s t o o h i g h ,
h a l a t i o n w i l l
of the h o r i z o n t a l t r a c e l i n e caused w i t h
t h e
I f t h e
r e s u l t a t
Optimize the
Make adjustment so
9
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