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Viking MCX-106 User Manual

Page 5

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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