IFR Systems FM/AM-1200S/A Operation Manual page 34

I T E M NAME D E S C R I P T I O N
H O R I Z O N T A L / D I S P E R S I O N
I
BANDWIDTH
3 0 0 Hz
3 0 0 Hz
3 k H z
3 k H z
3 k H z
3 0 k H z
3 0 k H z
3 0 k H z
3 0 k H z
3 0 k H z
T a b 1 e 3 - 3 H o r i z o n t a l S w e e p S e l e c t o r C o n t r o l
( A n a l y z e r D i s p e r s i o n C o n t r o l
)
S e t t i n g s
2 7 . - VERT POS C o n t r o l
C o n t r o l s v e r t i c a l p o s i t i o n o f CRT t r a c e i n O s c i l l o s c o p e a n d
S p e c t r u m A n a l y z e r ( F M I A M - 1 2 0 0 s o n 1 y ) f u n c t i o n s . S p e c t r u m A n a l y z e r
f u n c t i o n i s a t t e n u a t e d a n d l i m i t s t h i s c o n t r o l t o n o m i n a l d i v i s i o n
u p o r d o w n .
2 8 . I N T C o n t r o l
C o n t r o l s i n t e n s i t v o f CRT t r a c e . C l o c k w i s e r o t a t i o n o f c o n t r o l
i n c r e a s e s t r a c e i n t e n s i t y .
D O NOT OPERATE CRT D I S P L A Y ( 3 1 ) W I T H E X C E S S I V E
TRACE I N T E N S I T Y . PROGRESSIVE DAMAGE TO CRT MAY
R E S U L T .
1
2 9 . FOCUS C o n t r o l
C o n t r o l s f o c u s o f CRT t r a c e .
3 0 .
-----
HORIZ POS C o n t r o l
C o n t r o l s h o r i z o n t a l p o s i t i o n o f CRT t r a c e i n O s c i l l o s c o p e a n d
S p e c t r u m A n a l y z e r ( F M / A M - 1 2 0 0 s o n 1 y ) f u n c t i o n s . s p e c t r ; m A n a l y z e r
f u n c t i o n i s a t t e n u a t e d a n d l i m i t s t h i s c o n t r o l t o n o m i n a l 1 d i v i -
s i o n 1 e f t o r r i g h t .
3 1 . CRT D i s p l a y
--
D i s p l a y s c r e e n f o r O s c i l l o s c o p e a n d S p e c t r u m A n a l y z e r ( F M / A M - 1 2 0 0 s
o n 1 y ) f u n c t i o n s .
3 2 .
- - -
GEN/LOCK C o n t r o l
A l l o w s t h e RF f r e q u e n c y t o b e s l e w e d o f f f r e q u e n c y i n G e n e r a t e a n d
D u p l e x G e n e r a t e . ' ~ c t s " a s a c l a r i f i e r w h e n r e c e i v j n g SSB.