Korg MMA130 Owner's Manual page 5

5.. ANTI-FEEDBACK.knob,.ON/OFF.switch
If.the.volume.level.of.the.MMA130.is.very.high,.feed-
back. may. occur. between. the. microphones. and. the.
musical. instruments. that. are. connected. to. channels.
1–4..If.this.happens,.set.the.ANTI-FEEDBACK.switch.
to.ON,.then.rotate.the.ANTI-FEEDBACK.knob.slowly.
to.eliminate.the.feedback.
6.. POWER MODE.switch
Set.the.switch.to.ECO.to.set.the.amplifier.power.output.
to.5W.during.battery.operation.in.order.to.reduce.bat-
tery.power.consumption.
7.. STANDBY.switch
This.is.the.power.switch.of.the.MMA130.
When.set.to.the.BATTERY.position,.the.unit.will.oper-
ate.on.batteries..If.you're.using.AC.power,.turn.on.the.
POWER.switch,.and.then.set.this.switch.to.the.AC.po-
sition.to.turn.on.the.power.
Power indicator
The.power.indicator.will.light.up.when.you.turn.on.the.
STANDBY. switch.. When. running. on. batteries,. the.
brightness.of.this.LED.indicates.the.remaining.amount.
of.battery.life..When.the.power.indicator.becomes.dim,.
it's.time.to.replace.the.batteries.
Rear panel
1 2
1.. INPUT CH1, CH2.jacks
These.balanced.input.jacks.accept.either.XLR.plugs.or.
TRS.1/4".phone.plugs.
2.. INPUT CH3, CH4.jacks
These.input.jacks.accept.standard.1/4".phone.plugs.for.
LINE.connection.
Connect.electronic.musical.instruments.or.audio.play-
ers.here.
GROUND LIFT.switch
In.some.cases.when.using.the.MMA130's.DC9V.OUT.
jack,. a. ground. loop. may. occur,. causing. noise.. If. this.
occurs,.you. may.be. able. to. solve.the.problem.by. us-
ing. the. channel. 3. and. 4. input. jacks,. and. setting. the.
GROUND.LIFT.switch.to.the.LIFT.position.
3.. LINE OUT.jack
This.connector.outputs.audio.that.combines.channels.
1–4.pre-EQ.signals.
3 4 5
4.. AUX IN.(stereo).jacks
These.jacks.support.RCA.plugs.(L/R),.1/8".mini.stereo.
plugs,.and.standard.1/4".phone.plugs.(L/R).
Connect.the.analog.audio.outputs.from.your.audio.de-
vices. to. these. jacks.. These. are. useful. if. you. want. to.
connect.a.CD.or.MP3.player.to.play.back.music,.and.
play.along.on.your.instrument.
Note:. The.MASTER.VOLUME.knob.and.EQUALIZER.knobs.
do.not.affect.the.sound.of.a.device.connected.to.the.AUX.input.
jacks.
5.. DC9V OUT.(DC9V.power.output.connector)
This. connector. supplies. power. to. a. connected. Korg.
product.that.operates.on.DC9V.(max..500.mA,.polarity:.
),. such. as. a. WAVEDRUM.. Use. the. dedicated.
DC-DC.cable.that's.included.in.the.package.
Supported Korg products
WAVEDRUM,.PS60,.microSTATION,.microKORG.XL,.
microSAMPLER,. microPIANO,. KAOSS. PAD. Quad,.
KAOSSILATOR.PRO,.monotoribe
Note:. The. output. from. the. DC9V. OUT. jack. may. be. cut. off.
in. order. to. prevent. overcurrent. or. battery. exhaustion.. This.
means.that.the.power.supply.to.the.connected.device.might.be.
interrupted.without.warning..Please.be.aware.of.this,.particu-
larly.if.using.the.DC9V.OUT.jack.while.operating.the.MMA130.
on.batteries.
Note:. If.an.unsupported.device.is.connected,.you.might.expe-
rience.noise.or.other.problems,.even.if.the.device.meets.the.
recommended.specifications.
Note:. Pay.attention.to.the.polarity.of.this.connector.when.you.
connect.a.device.
Caution:. Never.connect.an.AC.adapter.here.
6 7
6.. AC.power.connector
Connect.the.included.power.cable.
7.. POWER.switch
This. supplies. power. when. using. the. MMA130. on. AC.
power.. Connect. the. power. cable. to. the. AC. inlet,. and.
turn.on.this.switch.to.supply.power.
Note:. The.MMA130.does.not.feature.a.battery.charging.func-
tion.
Tip:. If. the. unit. is. connected. to. an. AC. power. outlet,. battery.
power.will.not.be.consumed.
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