Viking MCX-106 - Manual (Page 5)

Aux Recording Balance
(AUX REC BAL)
This c o n t r o l a d j u s t s t h e level
balance of t h e a u x in, L and R
signals r o u t e d t o t h e L and R
m i x i n g busses.
At t h e c e n t e r p o s i t i o n , t h e bal-
ance c o n t r o l r o u t e s t h e signal
e q u a l l y t o t h e L and R m i x i n g
busses.
Auxiliary Input Recording
Level Control
(AUX REC LEVEL)
This c o n t r o l sets t h e level of
stereo L and R signal ( f r o m an
e x t e r n a l source connected to t h e
AUX INPUT) assigned t o t h e re-
cording busses, via t h e AUX
REC BAL c o n t r o l .
Auxiliary Input to
Foldback Control
((AUX TO FB)
This control sets t h e level of aux
i n p u t signal assigned to the fold-
back m i x i n g bus, and t h u s t h e
level of t h e e x t e r n a l aux source
in t h e on-stage m o n i t o r mix.
NOTE: If t h e aux source is a
stereo L and R signal ( f o r
example, a stereo casset-
t e p l a y e r ) t h e L and R
will be combined i n t o
one mono signal before
assignment to e i t h e r t h e
FB or PGM mixing bus-
ses.
Auxiliary Input to Program
Control
(AUX TO PGM)
This c o n t r o l sets t h e level of aux
i n p u t signal assigned t o t h e
program m i x i n g bus, and t h u s
t h e level of t h e e x t e r n a l aux
source in t h e main m i x .
Effect to Foldback Control
(EFF TO FB)
This c o n t r o l d e t e r m i n e s t h e
level of r e v e r b / e f f e c t s r e t u r n
signal assigned t o t h e foldback
mixing buss, and t h u s t h e
a m o u n t of e f f e c t s in t h e on-stage
m o n i t o r mix.
Reverb/Effects to Program-
Control
(EFF TO PGM)
This c o n t r o l a d j u s t s t h e a m o u n t
of r e v e r b / e f f e c t s signal t h a t is
r e t u r n e d t o t h e program buss
and t h u s t h e level of reverb/
e f f e c t s c o n t a i n e d in t h e main
sound system.
Reverb/Effects Send Control
(REV/EFF SEND)
This c o n t r o l a d j u s t s t h e o v e r a l l
signal level of t h e e f f e c t s mix
t h a t is delivered t o t h e i n t e r n a l
reverberation
u n i t , or to an
e x t e r n a l e f f e c t s device t h r o u g h
t h e e f f e c t s o u t p u t . The send con-
t r o l works in c o n j u n c t i o n w i t h
t h e REV/EFF t o PGM and t h e
REV/EFF to FB c o n t r o l s t o set
t h e overall level of reverb/
e f f e c t s in t h e m a i n and m o n i t o r
sound s y s t e m s .
Reverberation High Equalizer —
Control
(REV HIGH EQ)
The high EQ c o n t r o l a l t e r s t h e
high f r e q u e n c y response? of t h e
r e v e r b e r a t i o n s i g n a l . The "0" de-
t e n t e d p o s i t i o n provides f l a t
a u d i o response.
Recordig Level Control
(EFF REC LEVEL)
This c o n t r o l sets t h e l e v e l of
reverb (or e x t e r n a l e f f e c t s ) in
t h e recording mix, via t h e e f f e c t s
r e t u r n pan pot.
Effect Recording Pan Control
(EFF REC PAN)
This c o n t r o l assigns t h e reverb
or e x t e r n a l e f f e c t s signal t o t h e
recording L and R m i x i n g bus-
ses. In t h e c e n t e r "detended"
p o s i t i o n , t h e signal is assigned
e q u a l l y t o L and R; p a n n i n g t h e
c o n t r o l g r a d u a l l y assigns t h e
e f f e c t t o e i t h e r bus e x c l u s i v e l y .
- Reverberation Low Equalizer
Control
(REV LOW EQ)
The low EQ c o n t r o l a l t e r s t h e
low f r e q u e n c y response of t h e
r e v e r b e r a t i o n s i g n a l . The "0" de-
t e n t e d p o s i t i o n p r o v i d e s f l a t
a u d i o response.
- Playback to Program Control
(TAPE TO PGM)
This c o n t r o l a d j u s t s t h e level of
p l a y b a c k signal r o u t e d t o t h e
program m i x i n g buss, and t h u s
the level of t h e i n t e r n a l tape?
source in t h e m a i n m i x .
Playback to Foldback Control
(TAPE TO FB)
This c o n t r o l a d j u s t s t h e level of
p l a y b a c k signal t o t h e f o l d b a c k
m i x i n g buss, and t h u s t h e level
of t h e i n t e r n a l t a p e in t h e on-
s t a g e m o n i t o r m i x .
Foldback Master Control (FB)
The FB m a s t e r c o n t r o l a d j u s t s
t h e o v e r a l l combined signal
level of t h e six i n d e p e n d e n t
c h a n n e l f o l d b a c k sends, and
t h u s t h e level of t h e e n t i r e on-
s t a g e m o n i t o r m i x .
Program Master Control (PGM)
The PGM c o n t r o l a d j u s t s t h e
overall combined signal level of
t h e six i n d e p e n d e n t c h a n n e l
level c o n t r o l s , and t h u s t h e level
of t h e m a i n sound system.
Graphic Equalizer
(EQUALIZATION)
The graphic equalizer is 1/1
octave w i t h 9 independent active
bands ( f i l t e r s ) , providing 12dB
of boost or cut at each center fre-
quency. The "0" d e t e n t e d posi-
t i o n
provides f l a t audio re-
sponse.
Graphic Equalizer In/Out
Switch (IN/OUT)
The i n / o u t switch enables com-
parison between a f l a t response
( o u t ) and t h e equalized response
( i n ) . The "out" position com-
pletely removes the equalizer
from t h e MCX-106 c i r c u i t r y .
Phones Level Control
(PHONES)
The p h o n e s l e v e l c o n t r o l
a d j u s t s b o t h t h e recording L
a n d R s i g n a l s fed t o t h e p h o n e s
o u t p u t and p e r m i t s recording
and p l a y b a c k m o n i t o r i n g .
Headphone Jack
The headphone j a c k will accept
any stereo headphone w i t h 8
ohms impedance, or higher.
Tape Deck Remote Control
(TAPE REMOTE)
This j a c k r e m o t e l y operates t h e
t a p e PAUSE f u n c t i o n d u r i n g
r e c o r d i n g or p l a y b a c k by means
of a foot s w i t c h .
Power Amp Protection
Indicator (PROTECT)
The i n d i c a t o r LED lights if t h e
power a m p l i f i e r o u t p u t is short-
ed, if t h e t e m p e r a t u r e of the u n i t
rises above acceptable levels, or
if DG is d r i f t e d to the speaker
o u t p u t s . If t h e LED should l i g h t ,
speaker w i r i n g and a m b i e n t
t e m p e r a t u r e of t h e MCX-106
should be checked. If t h e LED
remains l i g h t e d , t h e u n i t should
be referred t o q u a l i f i e d service
personnel for repair.
Note:
The MCX-106 p r o t e c t i o n cir-
c u i t r y w i l l ( 1 ) d e t e c t ' f a u l t y con-
d i t i o n s ' w i t h i n t h e power amp-
l i f i e r , ( 2 ) give a visual indication,
and (3) a u t o m a t i c a l l y s h u t down
u n t i l
t h e ; f a u l t c o n d i t i o n is
a l l e v i a t e d . This special c i r c u i t r y
e n s u r e s
m a x i m u m r e l i a b i l i t y
and v i r t u a l l y eliminates equip-
m e n t damage due t o u n s a f e or
f a u l t c o n d i t i o n s . Please refer t o
f a u l t p r o t e c t i o n t a b l e on page 9
for
f u l l e x p l a n a t i o n of t h i s
i m p o r t a n t f e a t u r e .
-Aux Input L and R
(AUX IN, L, R)
The aux L and R 1/4" phone
j a c k s are unbalanced and a c c e p t
low and high impedance sources
at n o m i n a l —20 dB level. The
j a c k s are wired w i t h t h e cor-
responding L and R pin jacks in
parallel. When a plug is i n s e r t e d
in t h e phone j a c k , t h e pin j a c k is
a u t o m a t i c a l l y sw itched o u t of
t h e aux i n p u t c i r c u i t r y . The a u x
i n p u t is i n t e n d e d p r i m a r i l y for
e x t e r n a l m u s i c sources such as
c a s s e t t e
t a p e players, radio
receivers, or record players.
NOTE: A
phonograph w i t h
m a g n e t i c c a r t r i d g e re-
quires t h e use of a p r e -
amp w i t h RIAA e q u a l i -
z a t i o n .
Recording Output Pin Jack-
(REC OUT)
The REC o u t pin j a c k derives i t s
signal from t h e recording L and
R m i x i n g busses, and is i n t e n d e d
for c o n n e c t i o n t o e x t e r n a l r e -
cording
e q u i p m e n t . N o m i n a l
o u t p u t level is —10 dB w i t h an
i m p e d a n c e o f 1k ohms.
Playback Output Pin Jack
(TAPE OUT)
The playback o u t pin j a c k
o b t a i n s i t s signal from t h e
i n t e r n a l tape deck. N o m i n a l
o u t p u t level is 0dB dB w i t h an
i m p e d a n c e o f 1k ohms.
Power Amp Compression-
Indicator (COMP)
The comp LED l i g h t s when t h e
i n t e r n a l compressor is a c t i v a t -
ed. The compressor is p r o v i d e d
to p r o t e c t speaker s y s t e m s by
compressing t h e
i n p u t signal
level o f t h e power a m p l i f i e r
when c l i p p i n g occurs in t h e o u t -
p u t stage. F r e q u e n t f l a s h i n g of
t h e LED is not reason for a l a r m .
H o w e v e r . a c o n s t a n t or s t e a d y
l i g h t i n d i c a t e s t h a t t h e MCX-106
is b e i n g overdriven and t h a t t h e
i n t e r n a l power a m p l i f i e r is pos-
s i b l y "under p o w e r e d " (or t h a t
a p p l i c a t i o n . The o u t p u t l e v e l of
t h e ; MCX-106 s h o u l d be; decreas-
ed u n t i l t h e LED o n l y flashes
i n t e r m i t t e n t l y .
Buss Link Jack (BUSS LINK)
Patching Jack (PATCH BAY/OUT)
Patching Jack (PATCH BAY/IN)
— 4
Front Panel, Output Section
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