Protection Circuit - MB QUART QB250 BMW1 User Manual

INTERCONNECTION

PROTECTION CIRCUIT

If.the.LED.(.7.).lits.up.blue,.the.device.is.in.normal.operation.and.lits.up.red,.when.the.device.is.overheated..If.this.events,.the.internal.built-in.
protection.circuit.shuts.down.the.device.automatically..The.device.should.work.again.properly.after.cooling.down..
AUDIO SIgNAL CAbLES
Connect.the.audio.signal.cables.from.the.RCA.outputs.coming.from.the.headunit.with.the.RCA.inputs.of.the.included.plug.connector..Then.
plug.the.connector.into.the.AUDIO.INPUT.socket.(.4.)..If.you.use.LOW.level.pre-amplifier.RCA.outputs.from.your.headunit,.set.the.switch.
INPUT.LEVEL.on.position.LOW.(.8.).
The.AUDIO.INPUT.(.4.).is.also.suitable.to.connect.the.device.input.with.speaker.wires,.if.your.headunit.is.not.equipped.with.LOW.level.pre-
amplifier.RCA.outputs..Extend.therefor.every.regarding.speaker.cable.from.your.headunit.with.appropriate.speaker.cables.from.your.car.
audio.retailer.to.the.mounting.location.of.the.amplifier..Then.cut.off.the.RCA.jacks.from.the.included.cable.connector.plug.and.connect.each.
matching.loudspeaker.cable.like.described.below.(.4.)..Ensure.to.detach.the.cable.connector.plug.from.the.device.before.the.cutting.off.
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INPUT
GAIN PHASE
LEVEL
HIGH
LOW
X-OVER
REMOTE
CONTROLLER AUDIO INPUT
BASS
BOOST FUSE
POWER
PROTECTION
FUSE
GAIN PHASE
AUTO
TURN ON
X-OVER
BASS
BOOST
POWER
PROTECTION
INPUT AUTO
LEVEL TURN ON
HIGH
LOW
L +
white
4
L –
REMOTE
white./
CONTROLLER AUDIO INPUT
black
FUSE
FUSE
ENG
R +
grey
R –
grey./
black
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