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Front & Rear Panels
MG12/4FX
22
7 SEND Jacks
•AUX
This is an impedance balanced phone-type output jack.
This jack outputs the signals from AUX bus, respec-
tively. You use this jack, for example, to connect to an
effector or to a cue box or other such monitoring sys-
tem.
• EFFECT
This is an impedance balanced phone-type output jack
that outputs the signal from the EFFECT bus.
You use this jack, for example, to connect to an exter-
nal effector.
8 RETURN L (MONO), R Jacks
These are unbalanced phone-type line input jacks. The
signal received by these jacks is sent to the Stereo bus
and the AUX bus. These jacks are typically used to
receive a return signal from an external effector (reverb,
delay, etc.).
These jacks can also be used as an auxiliary stereo
input. If you connect to the L (MONO) jack only,
the mixer will recognize the signal as monaural
and will propagate the identical signal on both L
and R jacks
9 REC OUT (L, R) Jacks
By connecting these jacks to an external DAT recorder or
cassette recorder, you can record the same signal that is
being output from the ST OUT jacks
The mixer’s ST Master Fader has no affect on the
signal output from these jacks. Be sure to make
appropriate level adjustments at the recording
device side.
0 2TR IN Jacks
These RCA pin jacks input a stereo sound source. Use
these jacks when you want to connect a CD or DAT
directly to the mixer for monitoring
You can adjust the signal level using the 2TR IN
control in the Master Control section.
A FOOT SWITCH Jack
This phone input jack can connect to the (separately
sold) YAMAHA FC5 foot switch. With the foot switch
connected, you can use your foot to toggle the digital
effects ON and OFF.
B POWER Switch
Use this switch to set mixer power to ON or STANDBY.
Note that trace current continues to flow while the
switch is in the STANDBY position. If you do not
plan to use the mixer again for a long while, be sure
to unplug the adaptor from the wall outlet.
C AC ADAPTOR IN Connector
Connects to the included PA-20 power adaptor (see page
5).
Use only the PA-20 adaptor included with this
mixer. Use of a different adaptor may result in fire
or electric shock.
Connector Polarities
* These jacks will also accept connection to monaural phone plugs. If you use monaural plugs, the connection will be unbalanced.
NOTE
NOTE
NOTE
MIC INPUT, ST OUT
Pin 1: Ground
Pin 2: Hot (+)
Pin 3: Cold (–)
LINE INPUT (monaural channels),
GROUP OUT, ST OUT, C-R OUT
AUX, EFFECT *
Tip: Hot (+)
Ring: Cold (–)
Sleeve: Ground
INSERT I/O
Tip: Output
Ring: Input
Sleeve: Ground
PHONES
Tip: L
Ring: R
Sleeve: Ground
RETURN
LINE INPUT (stereo channels)
Tip: Hot
Sleeve: Ground
INPUT OUTPUT
Sleeve Tip
Ring
Sleeve Tip