Sharp Optonica RX-1, User Manual

Page: 9 / 20

CONTROLS AND FUNCTIONS
1 . P o w e r s w i t c h
Push i n the s w i t c h t o " o n " p o s i t i o n , and p u s h it i n again t o " o f f " p o s i t i o n .
2 . H e a d p h o n e j a c k
A c c e p t s a n y h e a d p h o n e w i t h 3 - o h m i m p e d a n c e .
3. P o w e r i n d i c a t o r
L i g h t s u p when the p o w e r is " o n " .
4 . P l a y b a c k i n d i c a t o r
L i g h t s u p w h e n m o d e s w i t c h 1 2 is i n " p l a y " p o s i t i o n .
5. R e c o r d i n d i c a t o r
L i g h t s u p w h e n * m o d e s w i t c h 12 is in " r e c o r d " p o s i t i o n .
8. P C M T a p e i n d i c a t o r
T h e l a m p i n d i c a t e s t h e P C M T a p e ( s i m i l a r t o a v i d e o cassette tape) is b e i n g p l a y e d
b a c k .
7 . A n t i - D i g i t a l d u b b i n g i n d i c a t o r
S o m e P C M Tapes have a n t i - d u b b i n g signals t h a t i n t e r f e r e w i t h d i g i t a l d u b b i n g . T h e
i n d i c a t o r s h o w s t h e e x i s t e n c e o f such signals o n t h e t a p e , a n d d u b b i n g is t h e r e f o r e
i n o p e r a t i v e ,
8 . f r r r o r c o r r e c t i o n signal i n d i c a t o r s
These s h o w t h e level o f signal c o r r e c t i o n b e i n g m a d e o n t h e p r e r e c o r d e d P C M t.tp<:s.
A " s i n g l e " l a m p w i l l l i g h t u p w h e n signal c o r r e c t i o n is m a d e o n c e . If t w o <«*jna!
c o r r e c t i o n s are b e i n g m a d e , b o t h t h e " s i n g l e " a n d " d o u b l e " l a m p s .v--!i l i g h t . .)
9. O p t i m u m i n d i c a t o r s
T h e f e w e r t h e i n d i c a t o r s are o n , t h e b e t t e r t h e p l a y b a c k c o n d i t i o n w h e n u s i n g a
P C M T a p e . W h e n several i n d i c a t o r s are o n , t u r n t h e o p t i m u m c o n t r o l k n o b
c l o c k w i s e o r c o u n t e r - c l o c k w i s e t o o b t a i n t h e b e s t c o n d i t i o n .
1 0 . L E Q l e v e l i n d i c a t o r s
R e c o r d i n g o r p l a y b a c k levels o n each c h a n n e l are m o n i t o r e d . Level s e t t i n g d i f f e r s
f r o m t h e c o n v e n t i o n a l m e t h o d . I t is r e c o m m e n d e d t h a t t h e average i n p u t level be set
a r o u n d \ — 9 d B ; never l e t t h e " o v e r " i n d i c a t o r l i g h t u p .
1 1 . M I C i n p u t j a c k
A c c e p t s l o w i m p e d a n c e m i c r o p h o n e s i n r i g h t a n d l e f t c h a n n e l s .
1 2 . M o d e ( R e c o r d / P l a y ) s w i t c h
Select e i t h e r R e c o r d o r Play m o d e w i t h t h i s s w i t c h .
1 3 . E r r o r m o n i t o r s w i t c h ( T w o - w a y m o n i t o r s w i t c h )
Push i t t o " s o u r c e " p o s i t i o n f o r m o n i t o r i n g b o t h r e c o r d i n g a n d p l a y b a c k per­
f o r m a n c e b y h e a d p h o n e s . " C h e c k " p o s i t i o n is f o r m o n i t o r i n g a n d c h e c k i n g t r a c k i n g ,
o p t i m u m c o n t r o l level, o r d r o p o u t s w h e n using a v i d e o cassette r e c o r d e r .
1 4 . H e a d p h o n e v o l u m e c o n t r o l
C o n t r o l s o u t p u t level f o r h e a d p h o n e s . V a r i a b l e v o l u m e c o n t r o l does n o t a f f e c t
r e c o r d i n g level.
1 5 . L i n e o u t p u t level c o n t r o l
C o n t r o l s p l a y b a c k o u t p u t o f t h e t a p e d s o u r c e . Set t h e c o n t r o l k n o b t o m a x i m u m
w h e n u s i n g an a m p l i f i e r . Level i n d i c a t o r s s h o w t h e f i x e d o u t p u t , regardless o f
o u t p u t level c o n t r o l o p e r a t i o n .