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36. BREAK SWITCH
Engage the BREAK switch (as in take-a-
break) and the entire main microphone mix
is switched off.
The CD/TAPE (11) input is still active, so
you can play your intermission CDs or tapes
through the main outputs. On the DFX•12,
line level inputs 9 and 10, 11 and 12 are also
still active, and are summed with the CD/
TAPE input. During an intermission, you
could play keyboards or a second tape deck
into these line inputs.
BREAK acts as a master mute switch for
your microphones, so it is useful when moving
microphones around on stage. It does not
mute the AUX 1 (7) or AUX 2 (8) outputs, so
turn down the master AUX SEND (41, 38)
knobs if desired.
37. VOCAL ELIMINATOR SWITCH
This switch allows you to eliminate the vo-
cals from any CD or Tape selection playing in
the CD/TAPE (11) inputs.
In the UP position, the CD or Tape signals
are not affected. In the DOWN position, any
vocals which are centered in the normal ste-
reo image will be attenuated.
The circuit design uses phase cancellation
of the vocal frequency range between the left
and right channels. The effect is most notice-
able on music material which has the vocals
panned dead center.
38. AUX 2/EFX SEND
Effects send signals are derived by each
channel’s AUX 2/EFX (22) control, summed
together, then sent through this master con-
trol. It allows you to simultaneously adjust the
signal levels out to the AUX 2/EFX SEND (8)
output, and to the EMAC effects processor.
Turned fully up, it provides 6 dB of gain,
“U” is unity gain, and fully down is off.
Use the individual channel AUX 2/EFX
controls to adjust the amount of each
channel’s signal you want to go to the AUX 2/
EFX SEND or EMAC. Then use this master
control to make sure the EMAC’s LEVEL SET
LED (39) never lights more than occasionally.
39. LEVEL SET LED
This indicates when the EMAC is 6 dB be-
low clipping. Just like the channel LEVEL SET
LEDs (17), this should only light occasionally.
If it blinks frequently, you should turn down the
AUX 2/EFX SEND (38) control a little. If this
LED never blinks, then turn the control up.
dB
30
20
10
OO
40
50
5
5
U
60
10
dB
30
20
10
OO
40
50
5
5
U
60
10
dB
30
20
10
OO
40
50
5
5
U
60
10
dB
30
20
10
OO
40
50
5
5
U
60
10
dB
30
20
10
OO
40
50
5
5
U
60
10
AUX 2/
EFX
RETURN
CD/TAPE
RETURN
AUX 1
RETURN
AUX 2
/EFX
SEND
AUX 1/MON SEND
DFX
·
12
12 CHANNEL INTEGRATED LIVE SOUND MIXER
DIGITAL STEREO
EFFECTS PROCESSOR
LEVEL SET
DELAY 1
BYPASS
(EFFECTS TO
STAGE MONITOR)
REVERSE
GATE
CATHEDRAL
LG. HALL
MD. HALL
LG. PLATE
MD. PLATE
SM. ROOM
DELAY 2
DELAY 3
DELAY 4
CHORUS
FLANGE
PHASER
SPRING
VOCAL
ELIMINATOR
BREAK
SWITCH
(MUTES ALL MIC CHANNELS)
BYPASS
EQ
MAIN
AUX 1
–
12
+12
0
12K3.5K
–
12
+12
0
60
250 1K
dB
30
20
10
OO
40
50
5
5
U
60
10
U
OO
+6
U
OO
+6
U
OO
+6
MUTE
MUTE
MUTE