Kenwood CS-1720 Instruction Manual Download Page 10

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+ : F o r p o s i t i v e p o l a r i t y s y n c s i g n a l ( S y n c

s i g n a l i s u p s i d e o f t h e V I D E O s i g n a l )

- : F o r n e g a t i v e p o l a r i t y s y n c s i g n a l ( S y n c

s i g n a l i s d o w n s i d e of t h e V I D E O s i g n a l )

N O T E

A s t h e 1 / 2 d i v i d e r c i r c u i t i s p r o v i d e d in t h e V I D E O

F R A M E s y n c h r o n i z i n g c i r c u i t , o d d or e v e n f i e l d c a n

b e s e l e c t e d b y t h e S L O P E ( 2 3 ) s e l e c t o r s w i t c h ;

r e f e r t o V I D E O S Y N C in O P E R A T I O N i n s t r u c t i o n .

( 2 3 ) S L O P E

S y n c p o l a r i t y s e l e c t o r s w i t c h . A l s o o d d or e v e n f i e l d

s e l e c t o r w h e n V I D E O F R A M E i s s e t .

C H I :

C H 1 s y n c p o l a r i t y c h a n g e - o v e r .

+ : S w e e p i s t r i g g e r e d o n r i s i n g s l o p e of

w a v e f o r m .

- : S w e e p i s t r i g g e r e d o n f a l l i n g s l o p e of

w a v e f o r m .

C H 2 :

C H 2 s y n c p o l a r i t y c h a n g e - o v e r .

+:" S w e e p i s t r i g g e r e d o n r i s i n g s l o p e o f

w a v e f o r m .

- : S w e e p i s t r i g g e r e d o n f a l l i n g s l o p e o f

w a v e f o r m .

- N O T E

F o r S L O P E t h e p o l a r i t y o f C H 1 + / - a n d C H 2 + / -

i s c h a n g e d o v e r a c c o r d i n g t o t h e s y n c s i g n a l

s e l e c t e d o n S O U R C E ( 2 0 ) . H o w e v e r , s i n c e s o m e

c o n n e c t i o n s e x i s t w i t h M O D E a n d V I D E O F R A M E ,

r e f e r t o t h e O P E R A T I O N i n s t r u c t i o n s .

( 2 4 ) F I X / M A N U A L

F I X ( « ) :

A u t o m a t i c t r i g g e r i n g l e v e l c o n t r o l . S y n c i s

o b t a i n e d w i t h o u t c o n n e c t i o n w i t h T R I G

L E V E L ( 6 0 ) .

< L E F T S I D E >

M A N U A L {ML):

T r i g g e r i n g l e v e l c a n b e a d j u s t e d b y

T R I G L E V E L ( 6 0 ) .

N O T E

W h e n T R I G L E V E L ( 6 0 ) i s p u l l e d o u t ( P U L L N O R M ) ,

F I X o p e r a t i o n i s a u t o m a t i c a l l y c a n c e l l e d , a n d

m a n u a l o p e r a t i o n i s s e l e c t e d .

( 2 5 ) E X T T R I G

E x t e r n a l t r i g g e r i n p u t t e r m i n a l . If S O U R C E ( 2 0 )

s w i t c h h a s b e e n s e t t o E X T , t h e s i g n a l a t t h i s i n p u t

b e c o m e s t h e t r i g g e r s o u r c e .

( 2 6 ) S T E P

P r o g r a m m e s t e p n u m b e r i n d i c a t o r . S t e p n u m b e r c a n

b e i n d i c a t e d f r o m 0 0 t o 6 1 a s 2 f i g u r e s of s e v e n

s e g m e n t s . W h e n P A R T W R T i s s e l e c t e d n u m b e r s

f r o m 1 t o 8 c a n b e i n d i c a t e d in s i n g l e f i g u r e s . T h i s i s

a l s o u s e d a s t h e b a t t e r y l o w l e v e l w a r n i n g i n d i c a t o r

w h i c h w i l l f l a s h w h e n t h e i n t e r n a l m e m o r y b a c k - u p

b a t t e r y i s b e l o w i t s o p e r a t i o n a l l e v e l .

N O T E

S t e p n u m b e r s f r o m 0 0 t o 9 9 c a n b e i n d i c a t e d .

H o w e v e r , if 6 2 or o v e r i s i n d i c a t e d , t h e i n d i c a t o r

w i l l f l a s h o n c e , a n d t h e s t e p w i l l h a v e n o e f f e c t .

( 2 7 ) R E A D

G r e e n L E D i n d i c a t e s p r o g r a m m e d a t a a r e b e i n g r e a d

o u t . A t t h e t i m e o f P A R T W R T it w i l l light u p t o g e t h e r

w i t h t h e W R I T E L E D ( 2 8 ) .

( 2 8 ) W R I T E

R e d L E D i n d i c a t e s i n p u t s i g n a l i s b e i n g w r i t t e n in t h e

m e m o r y . W h e n P A R T W R T i s s e t , it w i l l l i g h t u p

t o g e t h e r w i t h t h e R E A D L E D ( 2 7 ) .

( 2 9 ) G A I N P R E S E T

F i n e a d j u s t m e n t c o n t r o l C H 1 v e r t i c a l a t t e n u a t i o n f o r

p r e s e t . 4 p r e s e t g a i n s c a n b e s e t a n d s e l e c t e d b y

G A I N P R E S E T ( 2 ) .

( 3 0 ) S E P A R A T E P R E S E T ( C H 1 / C H 2 )

V e r t i c a l p o s i t i o n a d j u s t m e n t f o r s u b - s w e e p p r e s e t

w h e n S E P ( 9 ) in v e r t i c a l a x i s m o d e i s s e l e c t e d . P r e s e t

a d j u s t m e n t i s p o s s i b l e w i t h i n ± 4 d i v f r o m t h e m a i n

Summary of Contents for CS-1720

Page 1: ...C S 1 7 2 0 20 MHz DUAL TRACE PROGRAMMABLE OSCILLOSCOPE OPTION RT 1721 REMOTE CONTROLLER INSTRUCTION MANUAL ...

Page 2: ...L O P E R A T I O N 1 5 S E P O P E R A T I O N 1 5 T R I G G E R I N G O P E R A T I O N 1 6 S Y N C P O L A R I T Y 1 6 V I D E O S Y N C 1 6 S W E E P M A G N I F I C A T I O N 1 7 X Y O P E R A T I O N 1 7 P R O G R A M M I N G 1 7 E X P L A N A T I O N O F C O N S O L E F U N C T I O N S 1 7 P R O G R A M M E O P E R A T I O N 1 9 O P E R A T I O N O F O P T I O N 2 0 CIRCUIT DESCRIPTION 22 B...

Page 3: ... oscilloscope Presetting of four s t a r t A B C D and stop s t e p s is possible s o only o n e t o u c h operation is n e c e s s a r y to c h a n g e s t e p s 2 m V d i v a n d 2 0 M H z gives an oscilloscope of high s e n sitivity w i t h a w i d e bandwidth and at the s a m e time light and c o m p a c t T h e 1 4 0 m m rectangular C R T h a s internal graticule w i t h 8 x 1 0 d i v i s i o...

Page 4: ...amplitude 2 0 M H z HORIZONTAL AXIS CH2 INPUT Operating m o d e s S W E E P T I M E D I V range c a n be s e l e c t e d to X Y mode C H 1 Y a x i s C H 2 X axis Sensitivity S a m e a s C H 2 vertical a x i s A c c u r a c y S a m e a s C H 2 vertical a x i s Attenuation S a m e a s C H 2 vertical a x i s Input r e s i s t a n c e S a m e a s C H 2 vertical a x i s Input c a p a c i t y S a m e a ...

Page 5: ...STATES Programme items 8 b l o c k s 2 4 items 1 block C H 1 Input coupling A C D C Vertical sensitivity 2 m V d i v 5 V d i v 1 1 ranges C A L and 4 p r e s e t s with vernier adjustment are provided 2 block C H 2 Input coupling A C D C Vertical sensitivity 2 m V d i v 5 V d i v 1 1 ranges C A L and 4 presets w i t h vernier adjustment are provided 3 block S e p a r a t e S E P C H 1 C H 2 Operat...

Page 6: ... C 8 0 R H or less OPTIONAL ACCESSORIES R e m o t e controller R T 1 7 2 1 Probe selector 5 inputs x 2 c h a n n e l R U 1 7 2 2 Probe selector 1 0 inputs x 1 c h a n n e l R U 1 7 2 3 T h e r m a l printer T P 1 7 2 4 M e m o r y p a c k M T 1 7 2 5 RT 1721 REMOTE CONTROLLER OPTION REMOTE OPERATION SECTION V E R T I C A L A X I S C H 1 C H 2 Variable attenuation Vernier fine adjustment bet w e e ...

Page 7: ...ry level is getting low the S T E P L E D will flash w h e n the power is s w i t c h e d on In this e v e n t replace the batteries referring to the appropriate section in the m a i n t e n a n c e instructions 8 T o avoid possible electric s h o c k s ensure the earth terminal is properly c o n n e c t e d S e e front panel 1 6 for explanation and instructions 9 B e sure that no objects are allo...

Page 8: ...ides a zero signal b a s e line D C Direct input of both A C and D C c o m ponents of input signal 4 INPUT Vertical input terminal for C H 1 During X Y operation the Y a x i s input 5 V O L T S D I V Vertical attenuator for C H 2 having the s a m e function a s C H 1 V O L T S D I V 1 During X Y operation the X a x i s attenuator 6 GAIN P R E S E T C H 2 vertical attenuator adjuster and preset sel...

Page 9: ...u m e d 2 0 S O U R C E S e l e c t s s w e e p trigger s o u r c e V E R T M O D E Trigger signal is selected by setting vertical mode CH1 CH1 signal becomes trigger source CH2 CH2 signal becomes trigger source ALT For C H 1 CH1 signal becomes trigger source For C H 2 C H 2 signal becomes trigger source CHOP CHOP change over signal becomes trigger source ADD Algebraic sum of CH1 CH2 signals becom...

Page 10: ...G L E V E L 6 0 is pulled out P U L L N O R M F I X operation is a u t o m a t i c a l l y c a n c e l l e d a n d m a n u a l operation is s e l e c t e d 25 E X T T R I G External trigger input terminal If S O U R C E 2 0 s w i t c h h a s been set to E X T the signal at this input b e c o m e s the trigger s o u r c e 26 S T E P P r o g r a m m e step number indicator S t e p number c a n be in...

Page 11: ...on Four preset gains c a n be set and selected by G A I N P R E S E T 6 34 A T T E N U A T O R B A L A N C E Vertical D C balance control for C H 2 or X W h e n be ing turned the V O L T S D I V 5 adjust so the trace does not shift vertically 35 D C B A L A N C E Vertical D C balance control for C H 2 or X W h e n the G A I N 5 4 control of the vertical amplifier is being turned D C balance should...

Page 12: ... F position 42 C H 1 O U T Vertical signal output terminal of C H 1 B O T T O M 45 Z A X I S INPUT Intensity modulation terminal Intensity is modulated at T T L level 46 F U S E H O L D E R Carries 1 2 A f u s e 47 P O W E R S O U R C E C O N N E C T O R C o n n e c t o r for A C p o w e r input c a b l e Center pin of three wire cord is ground terminal 48 P O W E R S U P P L Y S E L E C T O R S W...

Page 13: ...t h e r a n g e of V O L T S D I V 5 A t C A L position fully c l o c k w i s e vertical attenuation c a n be calibrated In X Y opera tion it b e c o m e s the X a x i s attenuation fine adjust ment control W h e n the control is p u s h e d in P U S H P R E S E T the former function is c a n c e l l e d and the G A I N P R E S E T 6 and 3 3 s e t s or s e l e c t s the gain T h e gain is then tha...

Page 14: ...c o n t e n t s S T R T Start step setup k e y U s e d for setting up and reading out start step n u m b e r s in S T E P S E Q U E N C E END E n d step point k e y U s e d for setting up and reading out end s t e p s from S T E P S E Q U E N C E S C A N A u t o m a t i c s t e p t r a n s f e r k e y It automatically a d v a n c e s the s t e p s one by one w i t h about a one s e c o n d inter v...

Page 15: ...he input signal w a v e f o r m s of both C H 1 arid G H 2 will be displayed alternately e v e r y other s w e e p the trigger signal also alternating b e t w e e n C H 1 and C H 2 T h e r e f o r e there will be a m o m e n t a r y p a u s e b e t w e e n the t w o w a v e f o r m s W h e n C H O P is s e l e c t e d on vertical M O D E C H 1 and C H 2 will be indicated by chopping e a c h s w e ...

Page 16: ... 1 C H 2 In the c a s e of V I D E O F R A M E odd and e v e n fields c a n be s e l e c t e d S E P A R A T E S O U R C E V E R T I CAL MODE V E R T M O D E cm C H 2 LINE E X T cm Main C H 1 Main CH1 ON cm Sub C H 2 cm C H 2 Sub C H 2 C H 2 Main C H 2 Sub C H 1 cm C H 2 Main C H 2 Sub C H 1 C H 1 C H 1 cm C H 2 C H 2 C H 2 OFF A L T C H 1 C H 1 C H 2 C H 2 C H 1 C H 2 C H 1 C H 1 C H 2 C H 2 C H ...

Page 17: ... P R I N T operation this key s e r v e s a s a pause or reset key If the key is pressed o n c e in S C A N or P R I N T operation the C S 1 7 2 0 will p a u s e in the middle of the operation If the S C A N or P R N T key is then p r e s s e d operation will r e s u m e If the R E S E T key is pressed t w i c e in s u c c e s s i o n the programme will return to the S T A R T position P R I N T o...

Page 18: ...mistake instead of L O A D or vice v e r s a all important data will be changed A c c o r dingly be sure to press the correct key 12 STRT S t a r t step s e q u e n c e key U s e d for setting up S T A R T S T E P n u m b e r s and or read out the start step number of the s e q u e n c e 13 END End step s e q u e n c e k e y U s e d for setting up E N D S T E P n u m b e r s and or read out the en...

Page 19: ...cate in the w i n d o w the required number P u s h E N D and S T O k e y s in that order and the E N D S T E P is s e t up N o w t h e programme extent h a s been set up a n d recorded in the m e m o r y Using the s a m e procedure a s a b o v e three other s e q u e n c e c a n be s e t up HI START END STEP Reading out a S T E P S E Q U E N C E selection From A to D k e y s s e l e c t the k e y...

Page 20: ...2 2 In combination w i t h R U 1 7 2 2 inputs c a n be selected a s f o l l o w s C H 1 5 inputs C H 2 5 inputs E X T 3 inputs 20 b Connections with R U 1 7 2 3 T h e following inputs c a n be s e l e c t e d in combination C H 1 1 0 inputs C H 2 1 0 inputs E X T 3 inputs I N O T E 1 T h e probe s e l e c t o r R U 1 7 2 2 R U 1 7 2 3 p o w e r is interconnected w i t h the C S 1 7 2 0 o s c i l l...

Page 21: ...idity should also be avoided W h e n the M e m o r y p a c k back up battery is l o w the S T E P L E D s will flash on and off indicating a c h a n g e of battery is n e c e s s a r y If a mistake is m a d e and S A V E is p r e s s e d instead of L O A D or v i c e v e r s a the data will be lost therefore great care should be t a k e n to push the correct button VI Step Control Operation from E...

Page 22: ...rd s t a g e a m p and C H 1 C H 2 selector circuits amplified by the trigger amplifier and s e l e c t e d by the trigger s o u r c e selector s w i t c h SWEEP UNIT T h e external and internal s y n c signals are selected by the trigger s o u r c e selector s w i t c h and the selected signal p a s s e s through the trigger coupling s w i t c h and is amplified by t he trigger a m p T h i s sign...

Page 23: ...BLOCK DIAGRAM 23 ...

Page 24: ... R e p l a c e m e n t c a n be done easily 2 Insert the C R T carefully After locating the C R T on the retaining rubbers tighten the C R T retaining s c r e w s loosely Fix the s c r e w s of C R T bands s o the C R T is in parallel w i t h the f r a m e and then tighten the s c r e w s of C R T mounting h a r d w a v e 3 A s slots are provided in the C R T bracket the C R T c a n be m o v e d r...

Page 25: ... e n t s roughly REPLACING THE BATTERY If the S T E P L E D s flash on and off it is an indication that the m e m o r y b a c k u p battery is l o w and need replacing In s u c h a c a s e it m u s t be c h a n g e d in the control unit a s soon a s possible 1 R e m o v e the control unit from the body of the C S 1 7 2 0 as previously described 2 R e m o v e the 8 s c r e w s on the shield c a s e...

Page 26: ...isticated operation of the CS 1 7 2 0 T H E R M A L PRINTER T P 1 7 2 4 Serial transfer dot matrix M E M O R Y P A C K M T 1 7 2 5 C M O S R A M 1 k x 4 bit PROBE SELECTOR R U 1 7 2 2 5 inputs x 2 channel E X T X 3 PROBE SELECTOR RU 1723 1 0 inputs x 1 channel E X T X 3 26 ...

Page 27: ...M E M O 27 ...

Page 28: ...A p r o d u c t o l KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku T o k y o 150 J a p a n 85907 P R I N T E D IN J A P A N B50 2964 10 N ...

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