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mix. You can also pan the channels hard left and right to cre-
ate two mono buses. Keep in mind that using the 3/4 switch
mutes the channel from the main mix, so use the ALT 3/4 bus
for a separate stereo, or two mono, zone mixes.
G - CONTROL ROOM LEFT/RIGHT OUTPUT
The Control Room outputs are 1/4-inch balanced jacks used
to connect a studio monitor system. The Control Room out-
puts have the same output as the L/R MIX, however, the level
can be adjusted independently from the main mix using the
C ROOM/HEADPHONES control.
H - MAIN MIX LEFT/RIGHT 1/4-INCH OUTPUTS
In a live sound application, the LEFT/ RIGHT MIX outputs are
1/4-inch balanced jacks used to connect a power amplifier
or powered speakers. In a recording application, the LEFT/
RIGHT MIX outputs are used to connect to the inputs of a
stereo device such as computer sound card, DAT, or cassette
recorder.
I - MAIN MIX LEFT/RIGHT XLR OUTPUTS
In a live sound application, the LEFT/ RIGHT MIX outputs are
connected to a power amplifier or powered speakers. In a
recording application, the LEFT/ RIGHT MIX outputs are used
to connect to the inputs of a stereo device such as computer
sound card, DAT, or cassette recorder.
J - AUX RETURN 1 LEFT/RIGHT
The AUX RETURN 1 LEFT/RIGHT are stereo inputs that are
generally used to connect the outputs of an effects processor,
but can also accept the signal from any line level source like
a keyboard, recorder and even another mixer. The signal con-
nected to the AUX RETURN 1 LEFT/RIGHT will feed the main
LEFT/RIGHT MIX bus. The overall level is controlled by the
AUX RET 1 knob located in the master section on the front
panel. Use the LEFT/MONO input when connecting a mono
input signal to the AUX RETURN.
K - AUX Send 1
The signal present at the AUX1 output is sent from the AUX1
bus, which is fed from all the AUX 1 sends on the input chan-
nels. The AUX 1 output can be used as the EFFECTS SEND
bus in a live sound situation by connecting the output to an
external effects device.
MDR1248 and MDR1688 Input and Output Connections
L - AUX RETURN 2 LEFT/RIGHT
The AUX RETURN 2 LEFT/RIGHT are stereo inputs that are
generally used to connect the outputs of an effects proces-
sor, but can also accept the signal from any line level source
like a keyboard, recorder and even another mixer. The signal
connected to the AUX RETURN 2 LEFT/RIGHT will feed the
main LEFT/RIGHT MIX bus. The overall level is controlled by
the AUX RET 2 knob located in the master section on the
front panel. Use the LEFT/MONO input when connecting a
mono input signal to the AUX RETURN.
M - AUX Send 2
The signal present at the AUX 2 output is sent from the AUX
2 bus, which is fed from all the AUX 2 sends on the input
channels. The AUX 2 output can be used as the MONITOR
MIX bus in a live sound situation by connecting the output to
a power amp and monitor speaker.
N – FOOTSWITCH - 1/4-inch jack
With a footswitch connected to this jack, you can turn on
and off the on-board digital effects by simply stepping on
the footswitch.
0 - HEADPHONE OUTPUT
You can connect a standard pair of stereo headphones to
the PHONES jack and depending on the position of the 2T
TO CR switch, you will hear either the 2-Track input or the
MAIN mix.
P - 2TR INPUT
The MDR1248 and MDR1688 features dual RCA connectors
for the left and right 2-track input. You can use these inputs
to connect a CD, Cassette, Mini Disk, DAT or the output from
a computer sound card. To listen to the input connected to
the 2T IN, be sure to check the position of the 2T To Mix and
2T TO CR switches. For more information on using the 2 Track
inputs, see the section “PLAYING BACK A CD USING 2T TO MIX ”
on page 18 of this manual.
Q - 2TR OUTPUT
If you want to record the mix from your MDR1248 and
MDR1688, you can use the 2-track OUT connectors. The
dual RCA connectors can be connected to a CD, Cassette,
Mini Disk, DAT or even the input of a computer sound card
for hard disk recording. For more information on using the 2
Track outputs, see the section “RECORDING A MIX FROM THE
MDR1248 and MDR1688 ” on page 18 of this manual.
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