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2
.
W
h
e
n
t
h
e UPDATE or WRITE function has been completed
, you
may return the Fader ROUGHLY to the
vicinity
where the NULL
WAS ESTABLISHED
(Normally around
0
dB).
An
EXPONENTIAL RAMP
built
i
nto the NULLING c
i
rcuit will AUTOMATICALLY RAMP OUT
any
d
i
fference of setting.
NO SUDDEN LEVEL CHANGE WILL OCCUR
.
MUTE WRITE
is treated
as a
separate function
,
and may
be
easi
l
y added
either
before or after
writing
the
VCA program.
NOTE
:
The MUTE FUNCTION in the MCI Desk is NOT the
u
s
ual
reduction
of VCA
gain
to
minimum
,
but
is
accompli
shed
by shorting
the
output
to ground through relay
contacts
.
THIS
ASSURES A
TRUE CUT OFF
OF
CIRCUIT
NOISE
AS
WELL
AS
PROGRAM MATERIAL
.
THE VOLTAGE CONTROLLED AMPLIFIER (VCA) AUTOMATION
HAS
FOUR MODES:
WRITE
Th
is is
accomplished by pushing the VCA
button
and going through
the
recording with the controls
set
as you wish them
to be.
PLAYBAC
K
None
of the desk
buttons
are
u sed
.
Going through the recording with
the
a
utomation
activated will cause the controls to
faithfully
follow
whatever you
have written
into the program
.
UPDATE
Thi
s
function is essentially
a
playback with CONTROLS ACTIVATED.
REWR
IT
E
NO REWRITING
OF
THE
PROGRAM
occ
urs
in this mode.
If you wish to test
a
different
comb
ination
of control settings
,
use this
mode.
The
originally programmed control settings
will be reprodu ced.
YOU
CAN
ADD
or SUBTRACT
from
any programmed
control
setting
me
rely by moving
that control
.
If
you decide
that
you
like
the
new
settings
,
you may THEN
rewrit
e
the program.
pressing BOTH the VCA UPDATE and
the
VCA
WRITE buttons
will
read
back the original program
,
update it
,
and
write it into
memory.
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