Eiki EMMU02 User manual

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WIRELESS CONFERENCESYSTEM
EMMU02 USERMANUAL
Without the agreement ofEIKI anyreading, use, disclosure, copyingor distribution ofall or
partsofthisfileor associated attachmentsisstrictlyprohibit

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Contents
Chapter1:Security
Safetyinstructions. . . . . . . . . . . . . . . . . . . . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. . 3
Chapter2:Introduction
SystemDescription . . . . .. . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . .4
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. 4
SafetyCriterion.. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. ..5
Installation /warnings. . . . . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . ... . . . . . . .. . . . . . . . . ..5
Connect/Warnings. . . . . . . . . . . . . . . . . . . . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. .5
Chapter3:Function.
HostUnit . . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . .. . .. . . .. . . .. . 7
Microphone Unit. . . . . . . . . . . . . . . . . . . .. . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . . . . . . . . . . . . 8
Chapter4:SystemInventory
HostsUnit Inventory. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . .. .. .. . . . . . . . . . . . .9
Microphone UnitInventory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . 9
Accessories. . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. . . ... . . . . ... . . . . . . . . . . . . 10
Chapter5:Installation Guide
Systemcomponents. . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . .. . . .. . . .. . . .. .12
SystemInstallation. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. . . .. . . .. 12
Chapter6:Debugging.
SystemConnected and installation . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. .. 14
Camera connection . . . . .. . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .15
Camera ball presetsettings. . . . . . . .. . . .. . . . . . . . . . . . . . . . . . .. .. . . ... . . . . .. . . .. . . .. . . 16
Videoautomatic tracking. . . . . . . . . . . . . . . . . . .. . . .. . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. 16
Camera ball presetsettings. . . . . . . .. . . .. . . . . . . . . . . . . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. 16
Videoswitch . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. . . .. . . .. . . ... . . . . .. . . .. . . .. . . .. .16
Audio output. .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .16
SystemSetup Operating Instructions. . . . . .. . . .. . . .. . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . .17
Chapter7:SystemParameters
UsualTroubleshooting . . . . . . . . . . . . . . . . . .. . . . . .. . . ... . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .22
HostUnit Parameters . . . . . . . . . . .. . . .. . .. . . . . .. . . .. . . .. . . .. . . ... . . . . .. . . . . . . . . . . . . . .23
Microphone UnitParameters. . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . .. . . .. . . .. . . .. 23

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Chapter1:Security
1.1 SAFETYOPERATION
nPleaseread the safetyprecautionscarefullybefore
installing and using the equipment.
nPleasestrictlyadhere to the Warningsin the user'sguide.
nEquipmentcleaning:Makesuretoturnoffthe power
supplyand disconnectthe unitsbeforecleaning. Clean
onlywith a drysoft cloth.
nTopreventfromanyhazarddo notexposethe equipment
to moisture orhumidity.
nAdequateventilation isgood forthe maintenance ofthe
equipment.
nPowersupplycords:
America, Japan:AC110V~120V60Hz
Asia, Europe:AC 220V~240V50Hz
7. Grounding:3-wire grounding plug
8. Tomaintainthe normaloperation ofthe system,system
extension cablesshouldbediscreetlyrouted toavoid
being walked on orcorechedbyheavyitems.
9. The quantityofconnectedtransceivers inone system
shouldnotexceed prescribed quantity.Forservice,
please contactthe nearestService Center.
10. Donotremovethe coverofthe equipmentatwill; no hard
conductororliquidsubstance shouldbe left inside the
products.
11. Forservice, pleasecontactthe nearestSINGDENService
Center.Donotdisassemblethe equipmentby
non-authorized personnel.
12. All SINGDENproductsareguaranteed for3years
excluding the following cases:
A.All damage ormalfunction caused byhuman
negligence;
B.Damage ormalfunction caused byimproperoperating
byoperator;
C.Parts damage orloss caused bydisassembling the
productbynon-authorized personnel.
13. UseONLYspecified connection cabletoconnectthe
systemequipment.
14. Turnoffthe powersupplyand unplugthe equipmentfrom
the powersupplyincasetheequipmentisnotinusefora
long time.
15. Uponreceiptofthe product,pleasefill outthe Warranty
Cardenclosedandpostit toSINGDENService Center
nearbyinyourregion.
TOREDUCE THERISKOFELECTRIC
SHOCK,DONOTEXPOSETHIS
EQUIPMENTTORAINORMOISTURE
Thislabelappears on the rearofthe unit due to
space limitations
Thelightning flashwithanarrowhead
symbol,withan equilateraltriangle, isintended to
alert the usertothe presence ofannulated
dangerousvoltage’withinthe productsenclosure
thatmaybe ofsufficientmagnitude toconstitutea
risk ofelectric shock to persons.
The exclamation markwithinanequilateral
triangleisintended toalert the usertothe presence
ofimportantoperating and maintenance (servicing)
instructionsinthe literatureaccompanying the
appliance.
Warning:Topreventfireorshockhazard,donot
expose unitsto rain ormoisture.
Attention:Installation shouldbe performed
byqualified service personnelonlyinaccordance
withthe NationalElectricalorapplicablelocal
codes.
PowerDisconnect: Unitswith orwithout
ON –OFFswitch have powersupplied to the unit
wheneverthe powercord isinserted into the power
source;however, the unit isoperationalonlywhen
the ON –OFFswitch isin the ONposition. The
powercord isthe main powerdisconnectforall
units.

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Chapter2:Introduction
nSystemDescription
Designed forwireless audioand video digitalconferencing systemsspecifically,the systemwithoutcomplicated
cableinstallation, it can configured to:Conferencediscussion systems,multimediavideo conferencing systems,
remotevideo conference system,the systemusing 2.4Gbandpublic, withoutanyapplications,theadvanced
frequencyhopping2.4GDSSS and digitaltransmission technologywhich greatlyreducestheimpactofvarious
interference signals,2.4Ghasaunique transmission characteristics,wholehaveabad abilityofpassesobstacles,
soit can prevented the leakage ofsignals,digitaltransmission technology,consummatecommunication
protocoltoensuresecurityofthe conference content,systemthatcan meetthe needsofordinaryfixed conference
room,and canalsosetupamobileconference room,and intheconvenientpremise,providing ahighlyreliable
conferencing solutions.
nFeatures:
1. The systemusesworldwide public 2.4GISMband (2400-2483MHz),no need complex cable installation, no
need troublesomelyfrequencyapplication.
2. Digitalencryption self-adaption frequencyhopping spread spectrumtechnology, high confidentiality.
3. Configurable 1-999 microphone unitsasneeded. UnderFIFOmode all microphoneunit can click the TALK
button to start to speak. Thedefault numberofspeaking simultaneouslyislimited to the last4 people. The
numberofspeakers canbe setto 1-4 in the host.
4. "FIFO", "LIMITED", "LIMITEDTIME", "CHAIRMAN"4 kindsofdiscussionmode, you can easilyrealize
conference management.
5. Anychairman unit can initiate a vote.
6. 4 input1 outputvideo signalcontroland automatic tracking ofthe currentspeaker.
7. 24-bit PCMhigh precisionaudio signalquantification processing, lossless wireless transmission, the sound
qualitycomparable to wired.
8. Built-in frequencyshift, feedback suppression, intelligentbalancing, etc anti-howling functions, effectively
enhancethe sound transmission gain.
9. 1 systemwith 1 host, 1-999 microphone units. Microphone unitsincluding delegate unit and chairman unit,
delegate unit can be setasVIP, both unitscan be usedinanycombination statement.
10. Chinese and English interface optional, user-friendlymenu, easyto operate.

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nSafetyCriterion
CAUTION:Topreventelectricalshock hazard,do notexposethe systemequipmentbe exposed torainor
moisture
1. Pleasereadandnotetothe stripe withawarning symbol,theseprovisionswill provide importantsafety
information.
2. The SH2191have been grounded bythe powerline.
3. To preventthe risk ofelectricalshock orleakage, do notopen the SH2191chassis;
4. Make sure thatanysubstance orliquid into the systemequipment, to preventshort circuits.
5. Do notsecretlyconductinstructionswithoutmentioned on the dimension
if anyofthe following circumstancesoccur, please contactrepair center.
A.Anysystemdevice can notwork properly(orsome ofpart normalwork).
B. the powerline ofSH2191be broken
C. substance orliquid into the systemequipment
D. mechanicalparts subjectto severe impact.
6. Please pull outplug if the machine isfree long time
7. Smoke situation, immediatelyshutdown the systemand disconnectthe SH2191powersupply.
8. Systemequipmentwith digitalcircuits, although these devicesare complete anti-interference in the radio
interference measures,butwhen closetotheradio,television orHighpowerradiotransmitters,and maystill
electromagnetic interference. Ifthere are anyproblems, Please stayawayfromthe systeminterferes.
nInstallation /warnings
Inordertoproperlyinstall the systemand avoidelectricalhazards,thischaptermusthaveprofessionaland
technicalqualified engineering staffresponsibleforthiscontent,it isnotimportanttothe user; the userdoesnot
need toreading.Asthe supplyvoltage ofSH2191isquitehigh, easytoproduce theriskofelectricalshock,and
Do notturn on the powerbefore completing the installation and connection
nConnect/Warnings
Pleaseread generalinformation priorto the installation systemand following points:
1. Thesystemonlyrequires115/230VpowersupplyisSH2191.NotethebackoftheACpowertoggleswitch
carefully.
2. Conference microphone unit and antenna mustbe inthe samevisualenvironment,and theycan notbe cover
such aswalls, screens, ceilings, etc., if wantto built-in antenna, please choose wooden materials, cloth, orother
lowdensitynon-metallicmaterials.
3. The antenna cablebetween the antenna and thehostuseadedicatedSYV-50-5antenna cable. The antenna
cableislongerthan 2M,mustuseantenna signalamplifier,the antenna signalamplifiermustbe connected to
the antenna atthe end ofantenna,
4. Microphone mayusetwo1.5VAAbatteries,and alsosupport the 1.2VNI-MHbattery,pleasenotethatthe
bottomofmicrophone the batterytoggle switch in the correctposition
5. Outerplate ofSH2191mustbe grounded properly, forsafetyofoperation
6. Theantennadivided intoOmni-directionalantenna anddirectionalantenna,baseon requirementofdifferent
venues,choosethe corresponding position ofthe antenna and microphone installation, antenna installation
instructionsdetail please referto systemdebug gin
nInstallation /warnings

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The SH2191heatremovalorventilation isrequired, Avoiddirectsunlightand awayfromheat(Figure6.1),avoid
the equipmentplaced on thevibration deskand toexposuredamp, alittlesnoworrainand dust,it can be placed
on the desktoporplane becauseofrubbersupporting point,oruseofspecialaccessoriescan be installed in
cabinet.
nConnection Warnings
Beforeturnon system,pleasecheckall connection toensurethatno short circuit.Theentiresystemneedstobe
installed underthe circuit standard electricalsystemstandards.
Note:cableawayfromthefollowing placesInordertoavoid “hum”orinterference generated bythe
electromagnetic induction:
1. Generate strong electromagnetic field equipment(such aslarge powertransformers)
2.ACpowersupplywire
3. High-poweracousticswire
CAUTION:
1. Please make sure the voltage valuesissame with inputvoltage values, if not, please contactrepair center.
2. Connected parts ofthe inputcircuit mustbe connecttoground
3. WhenThunder,shutdoorsand windows;stop tousethe equipment,it isbesttounplug the powercord,below
conditionalcircumstance, it will be bestto installed arrester, (Figure 6.2)

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Chapter3:Function.
n3.1 EMMU02 HostUnitFunctionality
1)ONindicatorlight
When the machine isturned on, red light
2)Powerswitch
When the switch issettotheONposition, turnon
the machine
3)Displayscreen
Displayavarietyofinformation and microphone
state
4) Multi-function keys
5) 12V-17VDC powerinputsocket,inside positive,
externalnegative
6) Mixed audio signaloutputsocket
7) Balancedaudio signaloutputsocket
8) Centralcontrolmachine connecting interface
RS-232，9600pbs）
9) Antenna cableSMAinterface
10) Controlcamera RS-422 interface，pin3-，pin4+
11) 1-4 video signalinputsocket
12) Videosignaloutputsocket,dualport parallel
output
13) Main powerinputsocket
220VACinputsocket

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nEMC02 Chairman MicrophoneUnit Functionality
1)Microphone stemsocket
2)Microphone built-in speaker
3) “PROI”bottom,
Priorityfunction, overridesall the activedelegate
units
4)"TALK"bottom, startup and shutdownfunctions
5)Displayscreensto showmicrophone id
6)Lightindicator
7)Headphonesport
8)Headphonesvolume controlbutton
9)Powerbutton
nEMD02DelegateMicrophone Unit Functionality
1)Microphone stemsocket
2)Microphone built-in speaker
3)"TALK"bottom, startup and shutdownfunctions
4)Displayscreensto showmicrophone address
5)Lightindicator
6)Headphonesport
7)Headphonesvolume controlbutton
8)Powerbutton

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Chapter4:SystemInventory.
The boxdesignedaccording toproductsafety,rationalityofthe assemblyparts.Nice, good safetyperformance.
Which can be placed on conference microphone unit,rechargeablebattery,manual,warrantycard, and other
accessories.Conferencemicrophoneunit will be good protectin a block offoam, reducesdamage in an accident
nHosts Unit Inventory. (Figure 9.1)
NAME MODEL QUANTITY UNIT
Conference hostunit EMMU02 1
hostpowercord 1
warrantycard copy 1
Hostinstructions 1
nMicrophoneUnit Inventory (Figure 10.1)
NAME MODEL QUANTITY UNIT
Microphone unit EMC02/EMD02 1
Microphone pole 1
warrantycard copy 1
AArechargeablebattery
2

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nNote
1.when receiptthisproduct,you shouldpayattention tocheck the packagingisintact,packagingcaseofdamage
pleasecheckthe box whethertheproductisdamaged,if damaged,canberejected, and pleasecontactthe
supplier.
2.the purchaseofthisproduct,pleasecarefullycheck all originalaccessoriesarecomplete, coverthe endofthe
meeting microphone labelonthe box labelcoding, and any discrepancies, please contactsupplier.
nAccessory
EM63
DirectiveAntenna
Connected tothe mainunit EMMU02 directly,no need
anyexternalpowersupply.
Transmission range:30m(Directional)
Installed inthe microphone working venue, effective
protection ofsystemstabilityand management.
Extend line up to 10M.
Dimensions: 410X205X30mm
EM37
Omnidirectionalantenna receiver
Connected tothe mainunit EMMU02 directly,no need
anyexternalpowersupply.
Transmission range:10m(Omnidirectional)
Installed inthe microphone working venue, effective
protection ofsystemstabilityand management.
Extend line up to 20M.
Micpole
Warrantycard
Micunit charger

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EM34
Pro-AMP
Connected tothe wireless receiverEM37/EM36
directly, no need anyexternalpowersupply.
The signalamplification, somake the microphone
connection tobe more stable
Dimensions:68.5X51X23mm
SP33
Charger(charge 8pcsbatteryone time)
Chargesupto 8pcsAAor8pcsAAA
World -wide voltage adaptable (100-240V)
Dimensions:150*106(mm)
EM48
Charger(charge for12pcsmicrophone one time)
World -wide voltage adaptable (100-240V)
Dimensions:344*224*84(mm)

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Chapter5:InstallationGuide
nSystemcomponents.Conference hostunit,chairman microphone unit,delegatesmicrophone unit (Figure
12.1).
nSystemInstallation
1.The antenna divided intoOmni-directionalantenna anddirectionalantenna, baseon requirementofdifferent
venues,Dofirst the first connection now,Omni-directionalantenna issuitableforthatthe conference mainunit
and microphone use inone room.
EM35
NI-MHrechargeable battery
EM35 isNi-MHAArechargeable batteries
4hourschargingforsaturated time, 30-houroperation
with fullycharged battery
Capacity:2000 mAH
Size:50.5*14mm

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2. Nowwedo the second connection, directionalantenna isused whenthe confermentmainunit and the
microphone areindifferentrooms.Leadsdirectlyfromthe controlroomtothe meeting room,putthe antenna
box on the wall (Figure 13.1)
3. Using a specialaudio cable connectEMMUO2 conference hostwith amplifier. (Figure 13.2)
Antenna

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Chapter6:Debugging.
SystemConnected and installation.
The systemhastwo installation solutionsfordifferentconference roomsand limitationsofsite layout.
1. Dothe first connection now,Omni-directionalantenna issuitableforthatthe conference mainunit and
microphone useinone room.And it can getthe singe360 degree, generallyplaced the Omni-directional
antenna inthe middleof
the conference
microphone units,
distance ofmicrophone
unitsand the antenna can
notbe greaterthan2 m.

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2. Nowdo thesecondconnection, directionalantenna isused when theconfermentmainunit and the
microphone areindifferentrooms.Leadsdirectlyfromthe controlroomtothemeeting room,putthe
antenna box onthe wall (Figure 15.2)
Directionalantenna isinfrontofmicrophone units,rangeofreceiving is180 degreeshorizontallyand 38 degree
vertically.Generalputit up on the wall.Distance ofmicrophoneunitsandthe antennacan notbegreaterthan20
m.
Battery service regulations
Microphoneusing the standard14500battery,you canuse1.5V/2000MAH alkaline batteries,alsosupport
1.2V/2000MAHNI-MHrechargeablebatteries,Inthe caseofordinaryalkaline AAbatteries,place the red DIP
switch "2"to"ON"position, Inthe caseofNI-MHrechargeablebatteries,place the red DIPswitch "2"
appropriated "OFF" position, sothatthe microphonecangetreliablepowersupplyproperly,note,removethe
batteryIfyou don'tusemicrophonefora long time(have to take outofiron pan)
nCamera connection
Cameracommunication isRS-485;the communication protocolsupports PelcoP, Pelco D,and SONY.Baud rate
is9600 (notmodified), support up to 3 camera balls, and expanded to 8 camera ballsbycomputer, the connection
istandemconnection, if the line didnotconnecttothe device, setconnectthe 485+and 485-togetherby-120
ohmsto preventsignalreflection and interference
pleaseConnectcameraball 485+tothe hostunit 485-BSocket,connect485-tothe hostunit 485-A,all ball
machine shouldbeconsistentwiththisstandard. Panoramicbit ofthe systemdefault isone ball 63preset
positions, also modifybythecomputer.
Viewthe availabletwo-coreline viewoftransmission line, if lengthofthe line morethan 100m,pleaseuse
shielded cable, shieldedcableconnectedtothe earthwireofground alternating current,Specificationsareas
follows(maximumsupport distance is300M)
Installation diagram
1. Wall 2. Bracket
3. Screws4.Antenna

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0-30 m2 *0.5 RVVPcable
50-100 m2 *1.0 RVVPcable
100-200 m2 *1.5 RVVPshielded cable
200-300 m2 *2.0 RVVPshielded cable .
connection ofvideo signal
Thissystemcan support inputsignalofthethree ball machines,and setupthemainoutputautomatically,this
systemhasathree -wayvideoinput,three -wayvideo output,two-waymainoutputs,the video inputoftheball
machine isconnected to the No.17 port,No.20 port asthe main output, single video signalconnecttoNo.17 port.
Connection ofaudio signals
Thissystemwithone-waynon-equilibriumoutput(No.14 port),one waybalance output(No.15 port),one-way
to non-balanced audio output(No.13 port)
nCamera ball presetsettings
CDDADRESS(5)forthe 2nd cameraball-tracking microphone start bit,(6)forthe 3rdcameraball-tracking
microphone start bit,operation bybinarymode, left isthe MostSignificantBit,such as(5)001010, it is10
(decimaldigit),thatismean the No.2 cameratracking start bit isNo.10 microphone. As(6)DIP001 010. Itis10
(decimaldigit).Thatismeanthe No.3 cameratracking start bit isNo.20 (sumof5and 6).now.The conference
mainsetting:the No.1 cameraistracking No.1-No.9microphone, the No.2cameraistracking No.10-No.19
microphone, and the No.3 camera istrackingNo.20 microphone to anothermicrophones
Camera ball presetsettings
Controlbyacomputerorcameraball equipment,andsetup the preset,MatchCameraball presetand the
correspond microphone, Forexample, tracking the No.1 cameraball toNo.1-No.9microphone, setup No.1
cameracorrespondingtoNo.1-No.9 microphonepositions;tracking theNo.2 cameraball toNo.10-No.19
microphone, setup No.2 camera corresponding toNo.10-No.19 microphone positions.And so on.
Debuggingsystem
Checkthe all connected cableinproperly,Turnonall the microphonespowerswitch, wait for10 second,then
turnonthe hostunit,atthatmoment,the hostunit canstarscanhowmanymicrophone havebeenconnected,it
will take sometime, afterscanningiscomplete, the hostdisplayscreens “1”position will showthenumberof
microphone hasbeen connected, the quantityshouldbe consistentasthe microphone havebeen connect.if
not,please referto the relevantpart ofsystemmaintenance
Systemhasto enterthe working mode
turnon anymicrophone when press the “TALK”button, “TALK”indicatorand indicatorofmicrophone arered
light, the microphone can be speech.
Speechcontrol
FIFOmode:setup the quantityofdelegates(max 4pcs).Ifactivemicrophonesareoverthe pre-setquantity,turn
offthe first activemicrophone automatically.ExceptforVIPmicrophone, VIPmicrophone iscontrolled byitself
and the chairman unit microphone

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Priority control
Presidentmicrophone priorityfunction isturned on, the chairman microphone unit TALKlightwill be green, at
thismoment,all activemicrophone will turnoffautomatically,all the Not-chairmanmicrophone can’tturnon
beforethe chairman shutoff,thissystemcan support 4pcsmicrophone, when weturnon anotherchairman unit
microphone , theycan’teffecteach other.
Video automatic tracking
Systemenablesstarvideo-tracking mode bybutton, the systemautomaticallytrack tothe microphone which turn
on lasttime,
if the tracking microphone isclosed, the camerareturned tothe lastopen speech microphone automatically,such
asall the microphone areclosed ,camerawill returntoapanoramicviewofthe presetposition automatically,the
systemdefault panorama presetis63 presetposition ofthe No.1 Camera .
nVideo switching
Thissystemcomeswith an three in one outautomatic video switching system
nAudiooutput
The main outputvolume ofthissystemis600MV
underworking state, turnon4pcsmicrophone .open stateofthe fourmicrophonetospeak tothe hostofthe
volumeisraised to20,graduallyincreasethe volumeofafter-class audioequipment,until the emergence of
acousticfeedback phenomenon, then,the volumeofthe hostreceived assmall as18, toensurethestabilityofthe
voice in the meeting,
Thissystemusesa digitalfeedback suppression technology, pickup distance can be up to 60CM
Afteraudio equipmentsuch asbalancing equipment, reasonable adjustmentscan obtain betterresults
nSystemSetup Operating Instructions
(1)SystemChineselanguageinterfaceorEnglish languageinterfaceselection：
After thehostis poweron, theLCDdisplaythefollowingpicture
IfthearrowpointstotheENGLISH,thelanguageofthesystem(includingthehostand
microphoneunits)LCDis setto English.
Ifthearrowpointstothe"Chinese",thelanguageofthesystem(includingthehostand
microphoneunits)LCDis setto Chinese.
Ifyou do notdo anyoperation, thisstatewillbemaintainedforabout10seconds automatically
into thenextstate –Welcomeinterface.

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Whenthehostdisplaylanguageselection screen, press theup and downarrowtochangethe
language,thenpressingthe"ENTER"button orwait for10 seconds, thesystemwill enter thenext
state-welcomeinterface.
2）Welcomeinterface (ChineseorEnglish)
Thewelcomescreenwill bedisplayedabout5seconds;thesystemautomaticallyentersthe
standby.
3）Speech stateorstandbymode.
Theabovescreen showsthestatus oftheEnglish languageinterface and thestandby, fordetail as:
A."MODE:FIFO".Throughthesetting,thiscanbesettothe"MODE:FIFO","MODE:
LIMITED", “MODE:LIMITEDTIME","MODE:CHAIRMAN”.
B.Allowsup to4peopleatthesametimetodiscuss speech, throughthesetting,whichcanbeset
to 1,2,3,4.
C. “CH:CH1CH2CH3CH4”,meaningthatthefollowing displaycontents(microphoneunit ID
and batteryinformation),respectively, occupythehostchannel1 to 4.
D. “UNIT”,respectivelytodisplaythe1-4channelsareconnectedthemicrophoneID.The
microphoneIDrangeis001-999, whichmeans thatthechannelisnotconnectedtoany
microphone. Nonedigit indicates thatthechannelis notconnected to anymicrophone
E. “CELL：”, displays theremainingcapacityofthemicrophonebattery.
(4)Thesystemmodesetting
Instandbystateclickthe"ENTER"keyon thefrontpanelofthehost,theLCD “MODE：”area
displayis highlighted,

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Press the"UP"or"DOWN"button toselecttherequiredmode,andthenpressthe"ENTER"
button todetermineand save,thesystemwill returntostandbymode.Ifyouchoosethe"TIME
LIMITED"mode,continuetosetthehours,minutes, and seconds. Asshownbelow:
Press "LEFT"or"RIGHT"keytosettheitem,hours, minutes, seconds.

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20
(5) Press "UP"or"DOWN"toadjustthesettingitemvalue,and thenpress the"ENTER"button to
determineand saveand thesystemwill return to thestandbymode.
Inthestandbymode,Twice press "ENTER"button on thefrontpanelofthehost,thenumberof
“SPEAK：”area on LCDdisplaycontentis highlighted.
Press "UP"or"DOWN"keytoselecttherequirednumber ofthediscusspeople,whitchisthe
rangeof1-4, and thenpress "ENTER"button todetermineand save,thesystemwill returnto
standbymode.
(6)Microphoneunit settingmethod.
Thesettingistobeusedforall microphoneunitsinthesamemeetingplacewithahosttoconsist
ofasystem,and toassigndifferentIDforeachunits, theprocess isalso calledcoding.Onlythe
unit withthehosttocompletethecodingcanbejointothesystem,theunit number canbe1-999.
Inasystem,theunit IDcannotbesame.Inthestandbystate,press the"enter"keythree times, the
hostLCDdisplaysettingunit, thecharacter oftheunit IDis highlighted