Mackie SR408 / SR568 Owner's Manual - Page 28

-4, 5-6, 7-8, L-r Assign, Center Assign, Meter

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OO OO OO OO OO OO OO OO OO U AUX 1 +15 U 2 +15 U 3 +15 U 4 +15 A4 PRE U 5 +15 U 6 +15 U 7 +15 U 8 +15 PRE FDR POST EQ LR PAN A4 MUTE PAN Being that these are stereo Channels, their PAN controls are similar to a balance control on a home stereo - if you turn it to the right, you attenuate the left signal and if you turn left, you attenuate the right signal. The only difference is that when PAN is centered, there is 4dB of attenuation on each side to maintain "constant loudness" . 1-2, 3-4, 5-6, 7-8, L-R (ASSIGN) Rather than routing a mono signal to a left mix, a right mix, or somewhere in between, these stereo aux returns always send the left signal to the left mixes (1, 3, 5, 7, and LEFT) and the right signal to the right mixes (2, 4, 6, 8, and RIGHT), depending on PAN position and assignment switch positions. CENTER (ASSIGN) The CENTER assignment on the MAIN AUX RETURNS (A1-A4) operates the same as it does on the Channels, except that it takes both the LEFT and RIGHT signals, mixes them together, and then sends that mono signal to the CENTER mix . SOLO This works just like the Channel SOLO , with one exception: In PFL mode, the LEFT and RIGHT signals are mixed together to form a combined mono PFL signal. Be aware: Just as INPUTS SOLO has precedence over OUTPUTS SOLO, so do aux returns have precedence over aux sends - you can't combine these signals. For instance, if you have AUX SEND 1 (an output signal) in SOLO, then you engage SOLO on AUX RETURN A1 (an input signal), the AUX SEND 1 signal will be removed and replaced by the AUX RETURN A1 signal. METER These operate just like the Channel Meter , except that there are two LED columns per MAIN AUX RETURN and just one column per mono Channel. AUX The AUX sends on the MAIN AUX RETURNS (A1-A4) operate the same as they do on the Channels, except that they take both the left and right signals, mix them together, and then send that mono signal to each AUX SEND MASTER. dB 10 5 1-2 U 3-4 5-6 5 7-8 10 20 CENTER 30 L-R 40 50 60 SOLO 28

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28
U
O
O
+15
U
O
O
+15
U
O
O
+15
U
O
O
+15
U
O
O
+15
U
O
O
+15
U
O
O
+15
U
O
O
+15
1
PRE
2
3
5
6
AUX
4
PRE FDR
POST EQ
7
8
A4
L
R
1-2
3-4
5-6
7-8
L-R
SOLO
CENTER
PAN
10
dB
30
20
10
O
O
40
5
5
U
60
50
A4
MUTE
PAN
Being that these are stereo Channels, their
PAN
controls are similar to a balance control
on a home stereo — if you turn it to the right,
you attenuate the left signal and if you turn
left, you attenuate the right signal. The only
difference is that when
PAN
is centered, there
is 4dB of attenuation on each side to maintain
“constant loudness”
.
1-2, 3-4, 5-6, 7-8, L-R (ASSIGN)
Rather than routing a mono signal to a left
mix, a right mix, or somewhere in between,
these stereo aux returns always send the left
signal to the left mixes (
1
,
3
,
5
,
7
, and
LEFT
)
and the right signal to the right mixes (
2
,
4
,
6
,
8
, and
RIGHT
), depending on
PAN
position
and assignment switch positions.
CENTER (ASSIGN)
The
CENTER
assignment on the
MAIN AUX
RETURNS
(
A1
–
A4
) operates the same as it
does on the Channels, except that it takes both
the
LEFT
and
RIGHT
signals, mixes them to-
gether, and then sends that mono signal to the
CENTER
mix
.
SOLO
This works just like the Channel
SOLO
,
with one exception: In
PFL
mode, the
LEFT
and
RIGHT
signals are mixed together to form
a combined mono
PFL
signal.
Be aware:
Just as
INPUTS SOLO
has prece-
dence over
OUTPUTS SOLO
, so do aux
returns have precedence over aux sends —
you can’t combine these signals. For instance,
if you have
AUX SEND 1
(an output signal) in
SOLO
, then you engage
SOLO
on
AUX RE-
TURN A1
(an input signal), the
AUX SEND 1
signal will be removed and replaced by the
AUX RETURN A1
signal.
METER
These operate just like the Channel Meter
, except that there are two LED columns
per
MAIN AUX RETURN
and just one column
per mono Channel.
AUX
The
AUX
sends on the
MAIN AUX RETURNS
(
A1
–
A4
) operate the same as they do on the
Channels, except that they take both the left
and right signals, mix them together, and then
send that mono signal to each
AUX SEND
MASTER
.