26
Onyx 820i
50. POWER LED
This green LED will turn on when the mixer is turned
on, as a reminder of how on it really is. If it is not on,
then it is off, and the mixer becomes a rather nice
weight for keeping your morning newspaper from blow-
ing away in the wind.
If it does not turn on, make sure the power cord is
correctly inserted at both ends, the local AC mains sup
-
ply is active, and the power switch [2] is on.
Talkback
The talkback feature allows the engineer to communi-
cate with the talent either through the phones outputs
[17] or the aux 1-2 send outputs [12] using the built-in
talkback microphone. This saves a lot of shouting over
the audience's heads as you set up the talented one's
stage monitors to their peculiarly-picky satisfaction.
51. TALKBACK MIC
This is where the built-in talkback microphone is
located. It is an omni-directional dynamic microphone,
and it will pick up your voice from anywhere in front of
the mixer.
52. TALKBACK LEVEL
Use this knob to control the level of the talkback sig-
nal being routed to the phones or aux 1-2 outputs, from
the internal microphone.
1. Start with this control turned down.
2. Select the destination, either headphones
and/or aux 1-2, and make sure their levels are
already set nicely, such as phones [42] or aux
sends [45].
3. Hold down the talkback switch [54] as you
make your fruity-toned announcements.
4. Slowly turn this control up until you get confir-
mation from whoever is listening to headphones
or monitors that they can hear and obey your
every command.
Once you have set the level, you can leave it there for
the duration of the session or gig.
53. DESTINATION: PHONES, AUX 1-2
Push in the phones switch to route the talkback signal
to the headphones. Use this to communicate with the
talent in the studio through the headphones during a re-
cording session. When the talkback circuit is activated
by pushing the talkback [54] switch, the control room
outputs [6] are attenuated to allow your voice to come
through clearly.
MUTE
SOLO
48V
MUTE
SOLO
48V
MUTE
SOLO
48V
LINE
MUTE
SOLO
MUTE
SOLO
TAPE
PAN
2
1
MID
FREQ
MID
FREQ
BAL/UNBAL
BAL/UNBAL
ALT 3-4
ALT 3-4
ALT 3-4
ALT 3-4
ALT 3-4
LOW
MID
400Hz
ONYX MIC PRE
HIGH
12kHz
LOW
80Hz
EQ
INSERT
INSERT
ONY
X MIC PR
E
HIGH
12kHz
LOW
80Hz
EQ
ONY
X MIC PRE
HIGH
12kHz
HIGH
MID
2.5KHz
LOW
80Hz
EQ
AUX MASTER
2
1
SEND
RETURN
2
1
EQ
MAIN MIX
(MONO)
L
R
L
R
L
(MONO)
R
BAL/UNBAL
L
(MONO)
R
BAL/UNBAL
L
(MONO)
R
BAL/UNBAL
TAPE
IN
OUT
L
R
AUX RETURN
1
2
1
2
AUX SEND
MAIN OUT
CTRL ROOM/PHONES
SOURCE
PHONES
CONTROL
ROOM
MID
2.5kHz
LOW
80Hz
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
U
+
15
-15
HIGH
12kHz
MID
2.5kHz
LOW
80Hz
HIGH
12kHz
RUDE
SOLO
20
15
10
6
3
0
2
4
7
10
20
30
L
R
0dB=0dBu
LEVEL
SET
CLIP
MIC
PRE
POST
PRE
POST
R/4
L/3
BAL/UNBAL
BAL/UNBAL
ALT 3-4 OUT
R
L
CTRL - RM OUT
POWER
ON
FW 1-2
LINE
HI-Z
LINE
-10dB
+
4dB
HI-Z
LINE
PREMIUM ANALOG MIXER
w/ PERKINS EQ & FIREWIRE
PRE
POST
PRE
POST
PRE
POST
PRE
POST
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
+10dB
O
O
U
+10dB
O
O
U
+10dB
O
O
U
+10dB
O
O
U
+10dB
O
O
U
+10dB
O
O
U
1
2
3-4
LINE IN 5-6
LINE IN 7-8
AUX
PAN
2
1
AUX
PAN
2
1
AUX
PAN
2
1
AUX
PAN
2
1
AUX
RTN TO
AUX1
AUX SEND 1-2
TO FW 5-6
ASSIGN TO
FW 7-8
MAIN MIX
AUX 1-2
PHONES
DESTINATION
LEVEL
O
O
MAX
OL
- 20
OL
-
20
-
20
OL
OL
-
20
OL
-
20
1
2
TALKBACK
BAL/UNBAL
BAL/UNBAL
BAL/UNBAL
SEND
SEND
SEND
SEND
SEND
INPUT
MAIN OUT
L
R
BALANCED
POWER
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA • MANUFACTURED IN CHINA • FABRIQUE EN CHINE
"MACKIE" & "ONYX" ARE TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©200
8
FIREWIRE
ALT 3-4
FW 1-2
ASSIGN TO
MAIN MIX
3-4
5-6
7-8
GAIN
+
20dB
-
20dB
U
GAIN
MIC
GAIN
GAIN
+
20dB
-
20dB
U
U
20
30
40
60
+
40dB
U
-
20dB
U
20
30
40
60
GAIN
+
40dB
U
-
20dB
U
20
30
40
60
1
LINE
2
LINE
1k
100
8k
1k
100
8k
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
+
15
O
O
+
15
O
O
+
10
O
O
+
10
O
O
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
MAX
O
O
L
R
L
R
L
R
L
R
L
R
M
AIN OUTPUT
LEVEL
MIC
+
4dB
38
39
40
41
43
42
45
44
47
48
46
49
50
51
52
53
54
55
56
