5 — 2
R e a r P a n e l
Figure 2 Rear Panel
© CH1 OUTPUT terminal
Outputs AC couple CHI v e r t i c a l s i g n a l .
Used f o r c o n n e c t i n g a counter when measuring f r e q u e n c i e s .
I
NOTE :
—
—
—
— —
:
• • ; -
• When u s i n g a c o u n t e r t o m e a s u r e f r e q u e n c i e s , t h e r e i s t h e p o s s i b i
1
i t y t h a t
a c c u r a t e measurements a r e not d i s p l a y e d due to n o i s e i n t e r f e r e n c e . I n such a case,
a d j u s t the amplitude p r o p e r l y w i t h CHI VOLTS/DIV or V. VARI.
• Cascade c o n n e c t i o n between CHI, CHI OUTPUT, and CH2 i s not p o s s i b l e .
® Z. AXIS INPUT terminal
Input j a c k f o r e x t e r n a l i n t e n s i t y modulation s i g n a l s . I n t e n s i t y modulation i s performed
at TTL l e v e l . ( P o s i t i v e v o l t a g e reduces the i n t e n s i t y . )
I
NOTE ^
1
I f a v o l t a g e over 5 V ( T T L l e v e l ) i s i n p u t , t h e READ OUT d i s p l a y may be d i s t u r b e d
a c c o r d i n g t o f r e q u e n c i e s . I n s u c h a c a s e , lower t h e i n p u t to Z. AXIS down to t h e
TTL l e v e l or so.
20
