Controls And Indicators; P R O G R A M M A B L E O S C I L L O S C O P E - Kenwood CS-1720 Instruction Manual

Programmable oscilloscope 20 mhz dual trace, option remote controller
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P R O G R A M M A B L E O S C I L L O S C O P E C S - 1 7 2 0
< F R O N T P A N E L >
(1)
V O L T S / D I V
V e r t i c a l a t t e n u a t o r c a l i b r a t e d in v o l t a g e per d i v i s i o n , in
1 - 2 - 5 s e q u e n c e , a n d a d j u s t m e n t w i l l g i v e t h e o p t i m u m
w a v e f o r m .
T h e v e r t i c a l
G A I N C A L p o s i t i o n . W h e n t h e o s c i l l o s c o p e is b e i n g u s -
e d a s a n X - Y s c o p e , t h i s c o n t r o l s e r v e s a s t h e Y - a x i s
c o n t r o l .
( 2 )
G A I N P R E S E T
V e r t i c a l
a t t e n u a t i o n
a d j u s t e r
c h a n g e - o v e r of 4 p r e s e t r a n g e s a n d C A L , s e t b y t h e
v e r t i c a l
a t t e n u a t i o n
a d j u s t m e n t
s e l e c t o r is c a l i b r a t e d in t h e C A L p o s i t i o n . In X - Y s c o p e
t h i s c o n t r o l i s t h e Y - a x i s p r e s e t s e l e c t o r .
(3)
A C - G N D - D C
V e r t i c a l i n p u t s e l e c t o r s w i t c h f o r C H 1 . In X - Y o p e r a -
t i o n , t h e Y a x i s - i n p u t s e l e c t o r s w i t c h .
A C :
T h e D C c o m p o n e n t
b l o c k e d .
G N D :
O p e n s s i g n a l p a t h
v e t i c a l
a m p l i f i e r .
s i g n a l b a s e l i n e .
D C :
D i r e c t
i n p u t o f
p o n e n t s of i n p u t s i g n a l .
(4)
I N P U T
V e r t i c a l i n p u t t e r m i n a l f o r C H 1 . D u r i n g X - Y o p e r a t i o n ,
t h e Y - a x i s i n p u t .
8

CONTROLS AND INDICATORS

s e n s i t i v i t y
i s c a l i b r a t e d
a t
a n d
p r e s e t
s e l e c t o r ;
c o n t r o l
( 2 9 ) .
T h i s
o f t h e i n p u t s i g n a l i s
a n d g r o u n d i n p u t
t o
T h i s
p r o v i d e s
a
z e r o
b o t h A C a n d
D C
c o m -
(5)
V O L T S / D I V
V e r t i c a l a t t e n u a t o r f o r C H 2 , h a v i n g t h e s a m e f u n c t i o n
a s C H 1 V O L T S / D I V ( 1 ) . D u r i n g X - Y o p e r a t i o n ,
X - a x i s
a t t e n u a t o r .
(6)
G A I N P R E S E T
C H 2 v e r t i c a l a t t e n u a t o r a d j u s t e r a n d p r e s e t s e l e c t o r .
H a s t h e s a m e f u n c t i o n a s C H 1 G A I N P R E S E T ( 2 ) . In
X - Y o p e r a t i o n , t h e X - a x i s p r e s e t a t t e n u a t i o n
(7)
A C - G N D - D C
C H 2
v e r t i c a l
i n p u t s e l e c t o r .
X - a x i s i n p u t s e l e c t o r s w i t c h . It h a s t h e s a m e f u n c t i o n
a s C H 1 A C - G N D - D C ( 3 ) .
(8)
I N P U T
C H 2 v e r t i c a l i n p u t . In X - Y o p e r a t i o n , t h e X - a x i s i n p u t
t e r m i n a l .
(9)
M O D E
S e l e c t s t h e o p e r a t i n g m o d e o f t h e v e r t i c a l a x i s .
C H 1 :
C H 1 i n p u t s i g n a l i s d i s p l a y e d o n t h e C R T
s c r e e n .
C H 2 :
C H 2 i n p u t s i g n a l i s d i s p l a y e d o n t h e C R T
s c r e e n .
A L T :
C H 1 a n d C H 2 s i g n a l s a r e d i s p l a y e d a l t e r -
n a t e l y .
C H O P :
C H 1
a n d
C H 2 s i g n a l s a r e d i s p l a y e d
c h o p p i n g
m o d e .
A D D :
T h e a l g e b r a i c s u m o f
t h e
s e l e c t o r .
In X - Y o p e r a t i o n ,
t h e
in
C H 1 a n d C H 2 i s

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