Kenwood CS-5200 Series Instruction Manual page 34

7 — 3 S w e e p m a g n i f i e d
then m a g n i f y i n g a p o r t i o n of the d i s p l a y e d waveform i n terms of time, i n c r e a s i n g t h e sweep
speed may cause the waveform p o r t i o n to be measured to d i s a p p e a r from t h e s c r e e n .
POSITION c o n t r o l t o move t h e waveform p o r t i o n to be m a g n i f i e d t o t h e m i d d l e o f t h e
CRT s c r e e n . T h e n , p r e s s t h e x 1 0 MAG s w i t c h t o m a g n i f y t h e w a v e f o r m 10 t i m e s
h o r i z o n t a l d i r e c t i o n .
7 — 4
D e I a y e d
Delayed sweep ( B sweep) i s another way t o observe a waveform p o r t i o n by m a g n i f y i n g i t i n
terms of time.
m a g n i f i e d p o r t i o n s t o be d i s p l a y e d a l t e r n a t e l y by u s i n g the ALT sweep f u n c t i o n .
1) S e t t h e H. MODE c o n t r o l to A.
waveform to be observed i s d i s p l a y e d on the CRT.
2) S e t t h e AFTER D/B TRIG' D c o n t r o l t o AFTER. D.
waveform p o r t ion t o be m a g n i f i e d i s i n t e n s i t y - m o d u l a t e d
F i g u r e 9, t h e upper t r a c e
t r a c e l i n e shows the m a g n i f i e d waveform.
3) P r o p e r l y a d j u s t the time of d i s p l a y i n g the m a g n i f i e d p o r t i o n w i t h the B SWEEP TIME/DIV,
the time p o s i t i o n o f t h e m a g n i f i e d p o r t i o n w i t h t h e DELAY POSITION COARSE and FINE
c o n t r o l s , and the r e l a t i o n s h i p between A sweep and B sweep v e r t i c a l p o s i t i o n s w i t h the
TRACE SEP.
4 ) Set t h e H. MODE c o n t r o l to B.
• NOTE
I f t h e m a g n i f i c a t i o n o f A sweep and B sweep e x c e e d s s e v e r a l hundred t i m e s
AFTER D s e t t i n g , d e l a y
c o n t r o l t o B T R I G ' D.
t r i g g e r s i g n a l f o r B sweep.
TRIGGER LEVEL.
30
O p e r a t i o n
Sweep O p e r a t i o n
I t a l l o w s t h e m a g n i f i c a t i o n to be s e t f r e e l y and t h e m a g n i f i e d and non-
A d j u s t
1 i n e shows t h e n o n - m a g n i f i e d w a v e f o r m ,
Only the m a g n i f i e d p o r t i o n i s d i s p l a y e d on the CRT.
j i t t e r can appear.
The t r i g g e r s i g n a l s e l e c t e d w i t h t h e SOURCE s w i t c h i s t h e
B sweep s t a r t point i s s e t w i t h the DELAY P0SIT0N and
Thus, the delay time i s f o r r e f e r e n c e o n l y .
t h e c o n t r o l s so t h a t t h e p o r t i o n of t h e input
S e t t h e H. MODE c o n t r o l to ALT. The
F o r j i t t e r - f r e e o b s e r v a t i o n ,
Use the
and d i s p l a y e d b r i g h t . I n
and t h e l o w e r
s e t t h e
i n t h e
1
w i t h