MIPRO mrm-70 User Manual

MRM-70FREQUENCYAGILE,

DIVERSITYRECEIVERMODULE

InstructionManual

ElectronicsCo.,Ltd.

Headoffice:814,Pei-KangRoad,Chiayi,60096,Taiwan.
Taipeioffice:5,Lane118,Sung-tehRoad,Taipei,11075,Taiwan.
Web-http://www.mipro.com.twE-mail:[e-mail]

2CE190

TheMRM-70isasinglechannel,frequencyagile,
wirelessmicrophonereceivermodule.

ElectronicsCo.,Ltd.

DIVERSITYRECEIVERMODULE DIVERSITYRECEIVERMODULE

1.GLOSSARYINTRODUCTION

TheMRM-70isawirelessmicrophonereceiver
modulesuitableforinstallationinMIPRO'sMA-705,
707&909portablePAamplifiers.Itcanalsobe
fittedtootherPAamplifiers,mixers,signal
processorsandkaraokeplayerstoprovidethese
deviceswithfrequencyagile,wirelessreception.

TheUHFbandandPLLtechnologyareutilized
toavoidtheoftencongestedVHFband.True
diversityandadvancedcircuitrycombineto
eliminatesignaldropoutsandrandomnoise
interference.Themainfeaturesandbenefitsofthe
MRM70are:

1.Pressthe'SCAN'buttonandthereceiverwillauto-scan

andlockontooneofthe16preprogrammed
frequencies.

2.Pressthe'ACT'buttontoautomaticallyuploadthe

receiverfrequencytoyourtransmitter.

3.Oncethefrequencypairinghasbeenset,thedatais

storedinmemory,meaningthatthefrequencyislocked
untilitischangedbyperformingthe'ACT'functionagain,
evenafterpoweringoff.

4.Brightandeasy-to-readLEDdisplaysindicatethe

numericchannelnumberandRF&AFsignalstrengths.

5.Thereceiverssensitivitylevelcanbeadjustedtoavoid

interference.

6.Reliable,truediversityreceptionwithdual"Pilotone&

NoiseLock"circuitrypreventsinterferences.

7.Thereceiversoutputlevelanddynamicrangehavebeen

accuratelyfactorycalibratedtomatchthemicrophone
capsule'ssensitivity,ensuringoptimalperformancefrom
thesystem.(1.5dBtolerance).

8.Themodulardesignallowsforeasyinstallation,

maintenanceandDIY.

5 6 7 8

NOISE

SCAN

SENSITIVITY

ACT

(1)Turnsthe

ReceiverPowerSwitch/VolumeControl:

RFCHANNEL

AF

VOLUME

1234

receivermoduleonandoff.Afterpoweringon,theAF
LEDwillflash.Turntheknobclockwisetoincrease
volume.

(2)Indicatestheaudio

AudioSignalLevelIndicator:

signallevel.

(3)Enablesyoutoadjustthe

SensitivityAdjustment:

receiverssensitivitytoensuresthatnospuriousnoise
isheardwhenthereisnotransmittersignalpresent.

(4)Presstosetupthetransmitterfrequency

ACTButton:

tomatchthereceiverfrequency.

(5)Presstoselectthereceiversfrequency

ScanButton:

andtoautoscantoensureaninterferencefree
channel.

(6)Displaythechannelselectedfor

ChannelIndicator:

thereceiver.

(7)Indicatesifthereisinterference

NoiseIndicator:

present.

(8)Indicates theRFsignal

RFSignalLevelIndicator:

strengthatthereceiver.

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