MIPRO act707db User Manual

ACT-707DChannelWirelessReceiverDual

ACT-707DDualChannelWirelessReceiver

InstructionManual

ElectronicsCo.,Ltd.

Headoffice:814,Pei-KangRoad,Chiayi,600,Taiwan.
Taipeioffice:5,Lane118,Sung-tehRoad,100,Taipei,Taiwan.
Web-http://www.mipro.com.tw
E-mail:@mipro.com.twmipro

2CE150

CONTENTS

ACTDUALCHANNELWIRELESSRECEIVER

ACTDUALCHANNELWIRELESSRECEIVER

1.INTRODUCTION

2.PARTSNAMESANDFUNCTIONS

3.INSTALLATIONOFTHERECEIVER

4.RECEIVEROPERATINGPROCEDURES

5. OPERATIONOFRECEIVERWITHLCDDISPLAYPANEL

6.COMPUTERNETWORKINTERFACEOPERATION

7. CAUTIONS

HANDHELDWIRELESSMICROPHONE

1.PARTSNAMESANDFUNCTIONS

2.BATTERYINSERTION

3. OPERATIONOFRECEIVERWITHLCDDISPLAYPANEL

1

2-3

4-5

6

7-13

14-15

15

16

16

17

1.INTRODUCTION

Thanksforchoosingthemostadvanceddualchannelwireless

microphonesystemfromMIPRO.

Pleasereadthismanualthoroughlyforcorrectoperatingandoptimal

performance.

Intoday'saudioprofessionals,thedemandforusinglotsofmulti-channel

wirelessmicrophonesystemssimultaneouslyisgreatlyincreasing.
Furthermore,theywouldliketoseeprofessionalsystemshavethecapability

ofeasyfrequencyagility,morenon-interferingchannelsandinterference-free
operation.

ACT-707DisaninternationalEIAstandard,1-rack,truediversitymetal

receiverwhichfeatures theworld'sfirstcolorLCDpaneldisplayingmultiple
statuses.Furthermore,ithasan"AutoScan"buttontoautosearchfornon-

interferencechannelswithasimpletouchofabutton.Concurrently,asimple
1-touchonthe"ACT"buttonwillthereforeprovidesrapidandprecisechannel

settingofthetransmitter,avoidingpossibleerrorsormechanicalbreakdowns.
Thissystemisperfectforsinglesystemusageunderallprofessional

applicationsasitwasbasedonyearsofexperiencesinprofessionalaudio
markettosolveissuesofquick-changeoffrequency,selectnon-interference
frequency,andavoidinterferencetomaximizeyourwirelessexperience.

Spacesaving,stableperformance,easytooperateandcouplewithunbeatable
pricesmakeitanattractivepackage.

BELTPACKTRANSMITTER

1.PARTSNAMESANDFUNCTIONS

2.OPERATINGINSTRUCTIONS

3.AF4-PININPUTCONNECTIONMETHODS

4. OPERATIONOFRECEIVERWITHLCDDISPLAYPANEL

5. BATTERYINSERTION

18-19

20

21

22

23

IncludedAccessories﹕

①×②×

Antenna2InstructionManual1

③×

PowerCable1 ④×

⑤×⑥×

AudioOutputCable1PhoneCable1

0

1

Rack-mountBracket1-pair

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

2.PARTSNAMEANDFUNCTIONS

FrontPanel：

ON

POWER

1 5

2 3 4

ACT

RF AF

BATANT

BA

MENU

GROUP

G/CH

FREQ SQ

VOL

REMONAME

MHz

SCAN

(1)FrontAntennaAInputConnector:Allowsanoptionalrear-to-front

Antennakitforfrontantennaplacement.

(2)PowerSwitch&Indicator:Whenswitchisturnedon,redindicator

illuminatestodenotenormalpowerstatus.

(3)ReceiverPanelA:ColorLCDPanelA.
(4)ReceiverPanelB:ColorLCDPanelB.

(5)FrontAntennaBInputConnector:Allowsanoptionalrear-to-front

Antennakitforfrontantennaplacement.

A B

ACT

RF AF

BATANT

BA

MENU

GROUP

G/CH

FREQ SQ

VOL

REMONAME

MHz

SCAN

ACT-707D WirelessReceiver

(Fig.1)

RearPanel：

+8VDCBIAS +8VDCBIAS

ANTENNAB

6 12

1:GND

21

+

2:HOT

3

3:COLD

-

MIC LINE

LEVELMIXOUTBALANCEDOUTB ANTENNAA

MADEINTAIWAN

BALANCEDOUTA

7 8 9 10

REMOTE

INOUT

11

AC100V~240V

13 14

(Fig.2)

(6)AntennaBinputConnector:AntennaBconnectorcanbeinstalledwith

antennadirectlyandprovidespowerforantennabooster.

(7)(10)BalancedAudioOutputJack:WithCannon/XLRtypeconnector

providesbalancedaudiooutputsignalthatmatchescapsulesensitivity.

(8)UnbalancedAudioMixedOutputJack:With1/4PhoneJack

λ

providesthemixedunbalancedaudiooutputsignalfromthisjacktothe
amplifier.

(9)UnbalancedLevelSwitch:"MIC"selectionisfor"Microphone-level"

output."LINE"selectionisfor"Line-out"leveloutput.

(11)ComputerNetworkInterfaceConnector: Networksockettoconnectto

thecomputerizedsystem-monitoringprogram.

(12)ACInputJack:Toconnect85~265VoltsACpower.
(13)AntennaAinputConnector:AntennaAconnectorcanbeinstalledwith

(14)RackmountBracket:ToinstallthereceiverintoanEIA19-inchstandard

2 3

antennadirectlyandprovidespowerforantennabooster.

rackcase.

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

3.INSTALLATIONOFTHERECEIVER

+8VDCBIAS +8VDCBIAS

ANTENNAB

1:GND

21

+2:HOT

-

3

3:COLD

MIC LINE

LEVELMIXOUTBALANCEDOUTB ANTENNAA

MADEINTAIWAN

BALANCEDOUTA

1.Install2separateantennasontheantennasockets(6),(13)ontherear
panel.Illustratedin

Fig.3.

2.PowerOutputConnection:

(a)WiththeappropriateACpowercableconnectsfromACInputJack(12)toan

ACoutletunderthemarkedvoltage85~265V,asshowninFig.5.

3.AudioOutputConnection:

(a)UnbalancedLevelSwitch(9)SettingPosition:Wheninputstheunbalanced

outputofareceiverinto"AUX-IN"inputjackofamixeroramplifieror"Electric
Guitar",switchtheLevelSwitch(9)totheright"LINE"position.Low
sensitivitymayoccurifswitchtothewrongposition.Wheninputthe
unbalancedoutputofareceiverintothe"MIC-IN"inputjackofamixeror
amplifier;switchtheLevelSwitch(9)totheleft"MIC"position.Overload
distortionmayoccurifswitchtothewrongposition.Whenusingelectricguitar,
don'tuse"MIC"positionasitmayhavegeneratedinsufficientlevel.

(b)UnbalancedOutput:Usingaudiooutputcableattachedwith"PHONEPLUG"

type,connectoneendfromtheunbalancedoutputjack(8)ofthereceiver,
andtheotherendtothe"LINE-IN"inputjackoftheamplifier,asshowninFig.

3.

(c)BalancedOutput:Usingaudiooutputcablesattachedwith"XLR"or"Cannon"

type,connectoneendfromthebalancedoutputjacks(7)ofthereceiver,and
theotherendtothe"MICIN"inputjackofthemixeroramplifier,asshownin
Fig.3.(Thecharacteristicofthe3-pinconnectorisasshowninFig.4

(d)GuitarOutput:Usingaudiooutputcableattachedwith"PHONEPLUG"type,

plugoneendfromtheunbalancedoutputjackofareceiver,andtheother
endtotheinputjackofaguitaramplifier.SwitchtheLevelSwitch(9)to
"LINE"position.

AC100V~240V

REMOTE

INOUT

(Fig.3)

(d)GuitarOutput:Usingaudiooutputcableattachedwith"PHONEPLUG"type,

plugoneendfromtheunbalancedoutputjackofareceiver,andtheother
endtotheinputjackofaguitaramplifier.SwitchtheLevelSwitch(9)to
"LINE"position.

1:GND

21

2:HOT

3

3:COLD

(Fig.4)

(Fig.6)(Fig.5)

4.Toensurebestreceptionpossible,receivermustbeinstalledatleastone
meteraboveground.Inaddition,thedistancebetweentransmitterand
receivermustbemorethanonemeterandawayfromnoise.(Showsin

)Fig.5.

5.Withrackmountkit,receivercanbeinststalledonthestandard19-inch
rackcase.(ShowsinFig.6.)Onecanalsopurchasefrontantenna

convertingkitsfromyourlocaldealer.Wheninstallingfrontantenna
convertingkits,removeplugsfrom4pre-drilledopenings.Then,install

theantennabaseoftheconvertingcableonthepre-drilledopeningfor
antenna.Finally,installantennasdirectlytotheantennabasesto
increasereceivingefficiencyofantennas.

4 5

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

4.RECEIVEROPERATINGPROCEDURES

1.Turnvolumecontrolsofthemixerinusetoaminimumsettingbeforeturn
onthemicrophonesortransmitters.Afterswitchesonthereceiver,the

powerswitchredindicatorilluminatestodenotenormalpowerstatus.

2.Undernormalcircumstances,theRFindicatorlightsupwhena
microphoneortransmitteristurnedonnearthereceivertoindicatethe

receiverisreadyfornormaloperation.Oncesoundstothemicrophone
andtheAFindicatorswillglowaccordingtothestrengthofsoundlevel.
IfnoLEDglowsornosoundoutputs,thesystemisnotfunctionproperly,
thusitmustbechecked

3.Themicrophoneoutputlevelonlyneedstobeadjustedattheamplifieror
mixer.Noneedtoadjustatthereceiveritself.

5.OPERATIONOFRECEIVERWITHLCDDISPLAYPANEL

1.FullDisplayOfLCDScreenAndLocationsOfButtons

ACT

MENU

2.DesignationsOfButtonsAndFunctions

MENU:Enableusertoselectfromonefunctiontotheother

"MENU"buttonallowsusertoselectamong6options(inthesequence
showingbelow)thateachissurroundedinasquareframeandshownonthe
upperhalfofLCDdisplay.Detailfunctionsandoperationsareasfollows.

G/CHFREQSQVOLNAMEREMO→ →→→→

(1)G/CH:IndicatesorsetupsthereceiverGROUPandCHANNEL.

ACT

GROUP

SCAN

GROUP

6 7

MENU

A.OpeartionofsettingGROUP:

MENU

G/CH

GROUP

UP

SCAN

EXITMENU

Save

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

B.OperatingexplanationofsettingGROUP:

A.Press"MENU"buttononce,select"G/CH"blockfromthebelowlineofLCDview

wheredisplaysahorizontalbarandtwonumbersthatrepresentsgroup&channel
accordinglyfromlefttoright.

b.Press"GROUP"buttononce,thentherepresentedgroupnumberwillstartflashing

meaningthesystemisatastatusofwaitingforsetting.Pressthebuttonagain,the
groupnumberwillbechangedfollowinganincreasingcirclerule.Atthesametime,

channelnumberwillchangetothelastchannelofselectedgroup.Whenholding
"GROUP"button,thegroupnumberwillcontinuetochangeuntil"GROUP"button

isreleased.Press"MENU"or"SCAN"buttononcetostopflashingandlockthe
groupyoudesiretosetup.

C.OpeartionofsettingCHANNEL:

G/CHMENU SCAN

DOWN

MENU

Save

EXIT

D.OperatingexplanationofsettingCHANNEL:

Similarly,press"MENU"buttononce,select"G/CH"blockandpress"SCAN"

buttononce,thenthetwonumbersontherightsideofbelowlineofLCDwillstart
flashingwhichmeansastatusofwaitingforsetting.Press"SCAN"buttonagainthe
receiverwillstopatanon-interferedchannelnumberautomatically.Incaseofall

channelsinthedesiredgroupareinteferedandcan'tstopscanning,youcanchangeto
anothergroup.Pressthe"SCAN"buttonagainorholditwillkeepscanningand
continuetochangeuntil"SCAN"buttonisreleased.Press"MENU"buttononcetolock

thechannelyoudesireto setup,andchannelnumberwillbesetandstopflashing.

E.OperatingexplanationofsettingLOCKAndUNLOCK:

(2)FREQ:Indicatesthefrequencythatiscurrentlyinuse.

ACT

MENU

GROUP

SCAN

A.OperatingProcedures.

FREQMENU

B.HowtoOperate?

a.Afterpush"MENU"buttonandselectthe"FREQ"frame,itwillshowthefrequency

thatissetundertheGROUPandCHANNELthatonehadselectedpreviously.

B.Theoperationonlyfordisplayingfrequency,notforthefunctionofchanging

frequency.

(3)SQ:IndicatesorsetupstheSquelchlevel.

ACT

GROUP

A.Incaseyouwanttolockallsettingfunctionsontheoperatingpanelandavoid

generatingerroroperations,holding"MENU"buttonmorethan3secondsuntilthe
word"LOCK"showedontheLCD,thenallthebuttonswillbeinactiveexcept"ACT"
button,whichmeansthesettingofthepanelisatthelockingstatus.

b.Incaseyouwanttounlockthesettingofpanel,holding"MENU"buttonmorethan

3secondsuntiltheword"UNLOCK"showedontheLCD,thenthelockedsetting
willbereleasedaccordingly.

8 9

MENU

SCAN

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

A.OperatingProcedures.

MENU

B.HowtoOperate?

a.Usercansetthesquelchlevelwithintherangeof01-99.
b.Tosetthesquelchlevel,simplybypushingthe"UP"or"DOWN"buttonandconfirm

themodificationbypushing"MENU"button.

c.Thebiggerthesettingnumber,thelowerthesensitivity.

(4)VOL:IndicatesVolumeLevelisatOnorMuteposition.

ACT

MENU

SQ

01

DOWN UP

Save

EXITMENU

GROUP

SCAN

Theoperationprovidsmutecontrolswitch

A.OperatingProcedures.

MENU

B.HowtoOperate?

Push"UP"or"DOWN"Buttonallowsonetoswitchvolumeto"ON"or"Mute"status.

VOL

MUTE

DOWN UP

EXIT

(5)NAME:Indicatesorsetupsthenameofcurrentchanneluser.

ACT

MENU

A.OperatingProcedures.

MENU

A

DOWN UP

B.HowtoOperate?

a.Maximum6charactersareallowed(SelectfromcapitalizedEnglishletter,numbers,

+-x/,andspace).

b.Push"UP"or"DOWN"buttonintosetupmodeandthecharacteronthefarleftwill

startblinking.(Therewillbenoblinkingifthereisnocharacterinthespecificspace).

c.Push"UP"or"DOWN"buttontoselectdesiredcharacterandconfirmbypushing

the"MENU"button.Onceconfirmed,thenextcharacterwillstartblinkingandready
forsetup.

d.RepeatstepcuntilALL6charactersareset.

NAME

MENU

Save

A

DOWN UP

EXIT

MENU

NEXT

GROUP

SCAN

C.CAUTIONS:

AFbarandAnt.A,BofLCDpanelwillnotdisplayedwhenthereceivermoduleis

atMutestatus.ToascertainifreceiverisatMutestatus,pressMenukey,select
Volume.IfLCDindicates"Mute"itisaMutestatus.IfLCDindicates"On"audiois
operatingnormally.

10 11

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

(6)REMO:Indicatesorsetupthereceiveraddressandstatusofremotecontrolling.

ACT

MENU

GROUP

SCAN

A.OperatingProcedures.

MENU

REMO

64

DOWN UP

save

EXITMENU

B.HowtoOperate?

a.ACT-BUSinterfaceisadaptedforMIPROWirelessReceiverModule.WithMIPRO

InterfaceConverterandMonitoringSoftware,upto64receivermodulescanbe
remote-controlledsimultaneouslyviaaPC.

b.Addresscanbesetwithintherangeof01-64.Underremotecontrolmode,each

receivermoduleMUSThasitsownaddress.If2differentreceivermodulesare
usingthesameaddress,itwillcauseconflictionandresultinmonitoringerror.

However,ifnotunderremotecontrolmode,operationwillremainnormalevenif2
differentreceivermodulesareusingthesameaddress.

c.Inremotecontrolmode,"ON"willbeshownintheLCDdisplaypanelandthe

numbernexttothemessageistheaddressofthereceivermodule.However,
"OFF"willbeshownisthesystemisnotremotelylinkedtothePC.

d.Push"UP"or"DOWN"buttontochangereceiveraddressandverifybypushingthe

"MENU"button.

OperationofACTFeature:

ACT

MENU

A.OperatingProcedures.

B.HowtoOperate?

a.AtLCDpaneldisplays"Group"and"Channel"modekeystroke"ACT"

button.ACTmodeisactivatedwhen"ACT"wordappearsonthe
LCDpanel.

b.Movemicrophonetowardtoreceiverwithinthedistancearoundcm,

andfacethe"ACT"markedsideonthemicrophonetothe"ACT"
buttononthepanelofreceiver,seebelowfigure.

c.ACTfunctionwillreleaseautomaticallyoncethetransmitterchannelis

lockedon.Simultaneously,"Group"and"Channel"modewillbe
backshowingontheLCDpanel.Bothtransmitterandreceiver

shouldshowthesame"Group"and"Channel".Thisindicates
transmitterfrequencyset-upissuccessful.Ifunsuccessful,repeatstep
"A".

ACT EXIT

ACT

GROUP

SCAN

30

12 13

ACT

ACTDUALCHANNELWIRELESSRECEIVER ACTDUALCHANNELWIRELESSRECEIVER

6. COMPUTERNETWORKINTERFACEOPERATION

1.Exceptforreceivermodule,bothreceiverwithLCDdisplayhavethemost
advancefunctionofcomputer-network-interfacedcontrollingsystem.

2.WiringInstruction

① Connectthenetworkinterfaceremoteconnector(11)onthebackofthe

receivertotheinterfaceconverter(requiresatleast2linkingcablesforeach
pairing).Then,useRS-232cableconnectstheconvertertotheRS-232COM
PORTonthecomputer.

RX1

RX2

PC

TOPCKEYBOARDCONNECTOR

TOKEYBOARD CONNECTOR

+8VDCBIAS +8VDCBIAS

ANTENNAB

+8VDCBIAS +8VDCBIAS

ANTENNAB

1:GND

+

21

2:HOT
3:COLD

-

3

MIC LINE

LEVELMIXOUTBALANCEDOUTB ANTENNAA

MADEINTAIWAN

1:GND

21

+2:HOT

3

3:COLD

-

MIC LINE

LEVELMIXOUTBALANCEDOUTB ANTENNAA

MADEINTAIWAN

BALANCEDOUTA

BALANCEDOUTA

TOPCRS-232COMPORT

CONVERTER

AC100V~240V

REMOTE

INOUT

AC100V~240V

REMOTE

INOUT

④⑤Thissystemcanconnectupto64receiverforsimultaneousoperation.

Thoughlongerthedistanceis,worsethestabilitywillbe;nevertheless,the
networkconnectingcablecanstilloperatewhileitis300meterslong.
However,itisourrecommendationtokeepthecableunder100meterslong
toensurehigh-speedtransmission.

7.CAUTIONS

1.WhenusingDCpowersupply,pleasebeawareoftheoperatingvoltage.
Firstofall,pleasemakesureminimumof12voltscanbeobtainedfor
functionproperly.However,thepowersupplyshouldnotexceedits
maximumcapacityof15volts.Whenthesupplyvoltageismorethan15
volts,thesystemwillsuffersevereinternaldamage.Itispreferredthe

powersourceisfromaregulatedpowerwiththeminimumcurrentof1A.

2.UseonlyMIPROstandardantennatoensurethesensitivityofthe
receiver.

3.Antennasockethas8-voltsDCpowersupply;pleasedonotshortthe
circuitofthispart.

RX3

+8VDCBIAS +8VDCBIAS

ANTENNAB

1:GND

21

+2:HOT

3

3:COLD

-

MIC LINE

LEVELMIXOUTBALANCEDOUTB ANTENNAA

MADEINTAIWAN

BALANCEDOUTA

AC100V~240V

REMOTE

INOUT

(Fig.7)

②③Pleaseconnectoneendofthephonecable(included)toremoteconnector's

"OUT"jack(11)onthebackofthefirstreceiverandconnecttheotherendof
cabletoremoteconnector's"IN"jack(11)onthebackofsecondreceiver.
(ShowsinFig7.)Continuesuchparallelconnectionwithremainingreceivers.
Onceallreceiversareparallelsconnected,connectaphonecablefrom
remoteconnector's"IN"jack(11)onthebackoffirstreceivertoMIPRO-DV
converter.

Thisinterfacesystemadaptsparallelconnection.Therefore,ittakesonly2
linkingwirestocompletetheconnectiontotheconverterofthewholesystem.

14 15

HANDHELDWIRELESSMICROPHONEHANDHELDWIRELESSMICROPHONE

1.PARTSNAMESANDFUNCTIONS

GROUP

CHANNEL

BAT

1 3

2

1.Grille:Protectscartridge,prevents"POP"noiseandpreventsmicrophone
fromrollingwithpolygonalshape.

2.ColorRing:Forfrequencydifferentiation.

3.Housing:Upperportiontobeconnectedtoacapsulemoduleandbattery.
Internally,itholdstransmitterPCB.

4.FunctionsofLCDDisplay

5.BatteryCompartment:Designedtoaccommodatetwo1.5V(AA)batteries.

6.BatteryCap:Coversbatteryinthebatterycompartment.

7.Anti-rollRing:Forfrequencydifferentiation.

8.ACTSignalReceptor:ReceivingACTsignalandadjustingfrequency
automatically.

4

5

768

(Fig.1)

3. FUNCTIONSOFLCDDISPLAY

GROUP

CHANNEL

ERR

1.ERRMessage:When"ERR"appears,itmeans"OperationError".Pleaserefer
tothefollowingcodestodiagnosewhicherroryouareexperiencing.

ERRno01EEPROMisnotbeingprogrammedorinternaldataerror.
ERRno02Fortestingonly.
ERRno03Thefrequencyyouareabouttoprogramintothesystemexceeds

→
→
→

microphone'supperlimit.(Atthistime,microphoneisstill
operatableandthefrequencyremainsunchanged.Toclearthe
"ERR"messageinLCDdisplay,simplyturnoffthepowerand
switchbackon.)

ERRno04Thefrequencyyouareabouttoprogramintothesystemisbelow

→

microphone'sfrequencylowerlimit.(Atthistime,microphoneisstill
operatableandthefrequencyremainsunchanged.Toclearthe
"ERR"messageinLCDdisplay,simplyturnoffthepowerand
switchbackon.)

2."Group"&"Channel":Whenbothitemsareshown,theyindicatethattheuser
iscurrentlyusingthepre-programmedfrequencyinthereceiver.

3."Channel"Only:If"Channel"istheonlyitemshowninthedisplay,itindicates
theuserisusingthepersonalizedfrequency.

BAT

2.BATTERYINSERTION

(Fig.2)

1.Unscrewbatterycap(6)inacounter-clockwisedirection.

2.Inserttwo1.5V(AA)batteriescorrectlyintothebatterycompartmentwith
thepositivepole(+)pointsatthemicrophonecapsule.Then,screwthe
batterycap(6)backtomicrophoneasshowninFig.2.

PS:Whenthemicrophoneisnotinuse:

Makesurethepowerofthemicrophoneisoff.Ifthemicrophonewillnot
beusedforsometime,pleaseremovethebatteriesfromthebattery

compartmenttoavoidbatteryleakageandresultindamagedbattery
springsandcircuit.Ifarechargeablebatterywasused,takeitoutand

rechargeit.

4.BatteryStatus:

100% 80% 40% 10% 0%

BatteryStatus:Whenthebatteryhaslessthan10%powerremaining,batteries
mustbereplaced.Ifundervoltagecontinues,LCDwillshow"PoFF"andshutdown
thesystemtoavoidbatterybeingover-discharged.

5.SwitchOff:

Whenswitchthepowerknobto"Off"position,LCDwillshow"PoFF"first.
Then,thesystemiscompletelyshutdownandnofurthermessagewillbe
displayed.

16 17

BELTPACKTRANSMITTER BELTPACKTRANSMITTER

1.PARTSNAMESANDFUNCTIONS

LOW

ACTSERIES

11

10

GROUP

CHANNEL

GAIN MTGT

3.BatteryStatusIndicator:Indicatesthepoweron/offandbatterystatus.
(a)Whenpowerswitchisturnedon:TheLEDindicatorflashesbriefly,
indicatingnormalbatterystatus.
(b)WhenREDlightilluminatesateitherpoweronorduringusage:The

OFF ON BATT.

1
2

3
4

batterylevelislow,therefore,anewbatteryreplacementisthusnecessary.

4.TransmittingAntenna:1/4transmittingantenna.

λ

5.TransmitterHousing:PackagesthePCBandbattery.

6.FunctionsofLCDDisplay

7.ACTSignalReceptor:ReceivingACTsignalandadjustingfrequency
automatically.

8.GainControl:Adjuststhedesirousinputgain.

9.GT/MTLevelSelector:SwitchGTpositionforelectricguitarusageand"Line

5

In".GainControlisirrelevantfor"GT".Switchto"MT"forcondenser
microphoneorwiredmicrophone.GainControlworksin"MT"forinput

BAT

6

sensitivityadjusting.

10.BatteryCompartmentandCover:Accommodatestwo1.5V(AA)batteries.

7

11.DetachableBeltClip:Allows360degreesrotatingtosuittransmittingangles.
Todetachsimplyuseascrewdriverata45degreeangletounfasten.see

8

diagram.

9

(Fig.1)

1.AFInputJack:Connectstoalavaliereorheadsetmicrophone.(See5ways
ofconnectiononAFInputConnections)

2.PowerSwitch:Tumspower"on"and"off"ofthetransmitter.

18 19

BELTPACKTRANSMITTER BELTPACKTRANSMITTER

2.OPERATINGINSTRUCTIONS

1.ToadjustGT/MTSwitch(10),andGainControl(8),simplypushdownboth
snaplocksonthesidesofbatterycoverandflipitbackwardstoexposethe

adjustmentpanel.

2.Beforepoweron,ascertainifsamechannel(7)wassetupforbothreceiver
andmicrophone.Ifnotadjusttosamechannelaccordingly.

3.TheLEDindicatorflashesbrieflywhenpoweronindicatingnormalbattery
status.Ifnoflashoccursithaseithernobattery,thebatteryisdrainedor

installedincorrectly.Changeaccordingly.

4.Plugthemicrophoneconnectorintotheinputjack(1)andtightenthe
connectorscrewbyclockwisedirectionasshownin(Fig.2).

CapsuleConnector

Headset
Lavalier

1 3

4

2

Pleaseaimof
thefillister
andinsertthe
connector

3.AF4-PININPUTCONNECTIONMETHODS

(1)2-WireElectretCondenserMicrophoneCapsule

PIN

SHIELD
AUDIO

(2)3-WireElectretCondenserMicrophoneCapsule

SHIELD

AUDIO
BIAS

(3)DynamicMicrophone

2 1

3

SHIELD

AUDIO

PIN

1

4

2
3
4

PIN

1
2
3
4

1
2
3
4

1

1 3

1 3

3

2

4

2

4

2

4

LOW

1 3

2

OFF ON BATT.

(Fig.2)

20 21

(4)ElectricGuitar

SHIELD

AUDIO

(5)Line-in(Impedance8KATT.10dB)Ω

SHIELD
AUDIO

PIN

PIN

1
2
3
4

1
2
3
4

4

1

3

2

4

1

3

2

BELTPACKTRANSMITTER BELTPACKTRANSMITTER

4. FUNCTIONSOFLCDDISPLAY

GROUP

CHANNEL

ERR

1.ERRMessage:When"ERR"appears,itmeans"OperationError".Pleaserefer
tothefollowingcodestodiagnosewhicherroryouareexperiencing.

ERRno01EEPROMisnotbeingprogrammedorinternaldataerror.
ERRno02Fortestingonly.
ERRno03Thefrequencyyouareabouttoprogramintothesystemexceeds

ERRno04Thefrequencyyouareabouttoprogramintothesystemisbelow

2."Group"&"Channel":Whenbothitemsareshown,theyindicatethattheuser
iscurrentlyusingthepre-programmedfrequencyinthereceiver.

3."Channel"Only:If"Channel"istheonlyitemshowninthedisplay,itindicates
theuserisusingthepersonalizedfrequency.

→
→
→

microphone'supperlimit.(Atthistime,microphoneisstill
operatableandthefrequencyremainsunchanged.Toclearthe
"ERR"messageinLCDdisplay,simplyturnoffthepowerand
switchbackon.)

→

microphone'sfrequencylowerlimit.(Atthistime,microphoneisstill
operatableandthefrequencyremainsunchanged.Toclearthe
"ERR"messageinLCDdisplay,simplyturnoffthepowerand
switchbackon.)

BAT

5.BATTERYINSTALLATION

1.Pushingdownbothsnaplocksonthesidesofbatterycovertoopenbattery
cover.Takeoutthebatteries.Fig.3).

2.Insertatwo1.5(AA)batteriesintothebatterycompartmentaccordingtothe
correctpolarityasshowninFig.3).Thenpushuptoclosethebattery

compartmentasshowninFig.4).

(Fig.3)

4.BatteryStatus:

100% 80% 40% 10% 0%

BatteryStatus:Whenthebatteryhaslessthan10%powerremaining,batteries
mustbereplaced.Ifundervoltagecontinues,LCDwillshow"PoFF"andshutdown
thesystemtoavoidbatterybeingover-discharged.

5.SwitchOff:

Whenswitchthepowerknobto"Off"position,LCDwillshow"PoFF"first.
Then,thesystemiscompletelyshutdownandnofurthermessagewillbe
displayed.

22 23

(Fig.4)

PS:Whenthemicrophoneisnotinuse:

Makesurethepowerofthemicrophoneisoff.Ifthemicrophonewillnot
beusedforsometime,pleaseremovethebatteriesfromthebattery

compartmenttoavoidbatteryleakageandresultindamagedbattery
springsandcircuit.Ifarechargeablebatterywasused,takeitoutand
rechargeit.