NIPROS FS-40X User manual

Volume1,1steditionVer.1.0
Operating Instructions
Beforeoperatingthesystem,pleasereadthismanual
thoroughlyandkeepitforfuturereference.
FS-40X
4chFieldMixer
TM

WARNING
NIPROSacceptsnoliabilitywhateverforincidentaldamagesarisingoutoftheuseorinabilitytousetheproduct,
including,butnotlimitedto,corruptionorlossofdata,lostbusinessrevenueorsuspensionofbusinessoperations.
NIPROSacceptsnoliabilitywhateverfordamagesarisingfromimproperusenotconformingtotheinstructionsin
theinstructionmanuals.
Toensureproperusage,besuretoreadtheImportantSafetyInstructionsthoroughlybeforeusingtheproduct.
Alwayskeepthismanualavailableforfuturereference.
Besuretofollowthesafetyinformationtopreventinjurytotheuserandotherpersons,aswellasdamagetoproperty.
Warning Indicatesapotentialyhazardousoperationthatcouldresultindeathorseriousinjurytotheuser.
Thefollowingdescrivesthemeaningofsafetysymbolsandsignalwords.
Caution Indicatesapotentialyhazardousoperationthatcouldresultinminorormoderateinjurytothe
userordamagetotheproperty.
Seriousinjuryincludeslossofsight,wounds,hightemperatureburns,lowtemperatureburns,electricshock,
fracturesandpoisoningrequiringhospitalizationorlong-termmedicaltreatment.
Injuryincludeswounds,burnsandelectricshocknotrequiringhospitalizationorlong-termmedicaltreatment.
Damagetopropertyincludesextensivedamagetohouseandhouseholdproperty,aswelaslivestockandpet
Warning
■Donotremovethecoverortheparts.
■Donotdisassemble,modifyorrepairtheapparatus.
■Donotsetuptheapparatuswhereverwateroranyotherfluidisused.
■Donotexposetheapparatustorainandmoisture.
■Donotexposetheapparatustodrippingorsplashingliqids.
■Donotwettheliquidssuchasperspirationordrink.
■Donotplaceanyobjectsfilledwithliquids,suchasvases,ontheapparatus.
■Donotplaceanymetalobjectsontheapparatus.
Toreducetheriskofoverheating,fire,electricshock,injuryormalfunction.
Failingtodosomaycauseoverheating,fire,electricshock,injuryormalfunction.
02
※ContacttheNIPROSServicecenterortheshopofpurchase.
※Repairshavetobeperformedbyqualifiedservicepersonnel.
Referallservicingtoqualifiedservicepersonnel.
Prohibition
Compulsion
Prohibition Compulsion
Indicatesaprohibitedaction. Indicatesacompulsoryactionthat
mustbecarriedout.prohibitedaction.
■Whensomethingabnormalsuchassmoke,smell,sound,etc.hashappenedto
theapparatus,immediatelyturnthepowerswitchoff.
■Whentheapparatushasbeenexposedtotherain,water,perspirationorany
otherliquidhasentersit,immediatelyturnthepowerswitchoff.
■Whenobjectshavefallenintotheapparatus,immediatelyturnthepowerswitchoff.
■Whentheapparatushasbeendamagedinanyway,suchashasbeendroppedor
subjectedtoexcessiveshock,immediatelyturnthepowerswitchoff.
Caution
Toreducetheriskofoverheating,fire,electricshock,injuryormalfunction.
1.Readtheinstructions.Andkeeptheinstructions.
2.Heedallwarnings.Followallinstrutions.
3.Cleanonlywithdrycloth.
4.Donotusetheapparatusnearwater.
5.Donotinstalltheapparatusnearanyheatsources,radiators,heatresistersorother
apparatus(includingamplifiers)thatproduceheat.
6.Donotusetheapparatusinareaswithflammablegassessuchasgasstations.
7.Donotusetheapparatuswithanyvoltageotherthanthespecifiedvoltage.
8.Donotplacetheapparatusonanunstableorunlevelsurface.
9.Donotplaceaheavyobjectontheproduct.
10.Useonlyattachmentsoraccessoriesspecifiedbythemanufacturer.
11.Useonlywiththecart,stand,tripod,bracketortablebythemanufacturer,orsoldwith
theapparatus.Whenacartisused,usecautionwhenmovingthecartandapparatus
conbinationtoavoidinjuryfromtip-over.
12.Whentheapparatusisprovidedwithavent,donotblockanyventilationopenings.
Installinaccordancewiththemanufacturerʼsinstructions.

PartsNamesandFunctions
Inputpanel(Leftside)
Mainpanel(Front)
Equalizerpanel(Top)
Outputpanel(Rightside)
4
TableofContents
BlockDiagram
OutsideViewandDimensions
Specifications
Use 12
PowerSupply
InputSignalSetting
OutputSignalConnectionandSetting
OutputLevelAdjustment
InputLevelAdjustment
EqualizerSetting
03
4chFieldMixerFS-40X
FS-40X
4
6
9
10
12
14
15
16
18
19
20
21
22

04
FS-40X
PartsNamesandFunctions
4chFieldMixerFS-40X
Inputpanel（Leftside）
BATTERYCASE
InputConnectors 1IN/2IN/3IN/4IN(XLR3-pin)
P48 ：Whenaphantom48Velectretcondensermicrophoneisconnected.(Ex.SONYC-74,etc.)
D-MIC：Whenadynamicmicrophoneisconnected.
LINE ：Whenaline-level(0dB)signalsourceisconnected.
AB12 ：WhenaA-B12Vmicrophoneisconnected.(Ex.SENNHEISERMKH416T,etc）
FS-40XAtype：female
FS-40XBtype：male
InputSelectSwitches1/2/3/4
XLR3-pinfemalepinassignment
2PIN:HOT 1PIN:GND
3PIN:COLD
1PIN:GND 2PIN:HOT
3PIN:COLD
XLR3-pinmalepinassignment
Ainputselectswitchisprovidedforeachchannel.
Settotheappropriatepositionaccordingtotheequipmentconnectedtotheinputconnector.

05
4chFieldMixerFS-40X
PartsNamesandFuncctions
Inputpanel（Leftside）
METEROUTConnector(6-pin)
Usedforconnectiontothe4chexternalaudiometerMB-40X(optional).
ON：TheLEDoftheMASTEL/RvolumecontrolsandthelightoftheVU/PEAKmeters
areturnon.
OFF：Theyareturnoff.OtherLEDturnsondependingoneachfunction.
LIGHTSwitch
MSIN3/4Connector(XLR5-pin)
Usedforthestereosignalsinput.Thesignalsareinputtothechannel3and4.
(NOTE:DonotconnecttotheMSconnectorandtotheCH3,4connectorsatthesametime.
WhenusingtheMSmicrophone,settheCHselectswithesoftheCH3and4onthemainpanel
totheMSposition.
pinassign
1PIN：GND
3PIN：IN14PIN：IN2
6PIN：IN4
16 25 34
2PIN：+12V5PIN：IN3
1PIN：GND
3PIN：COLD
4PIN：HOT
2PIN：HOT
5PIN：COLD
ch3
ch4
123
4
5
pinassign

06
4chFieldMixerFS-40X
PartsNamesandFuncctions
Maintpanel（Front）
POWER
INT OFF EXT
METER
SELECT
VU
PK
R / PFL
L / BATT
L
R
FIELD MIXER
LEVEL
LMT
PFL
L
L+R
VU
PK
MS
󲰄0
L
R
R/
LMT
PFL
LMT
PFL
LMT
PFL
󲰄0󲰄0󲰄0
MS
EQ(Equalizer)LED
PK/DLEDOverlevel／Directinput/OverlevelIndicator
MIC/LINEInputLevelVolumeControl
LMT/PFLSwitchHyperLimiter/PreFaderListenSwitch
TheequalizerLEDonthemainpanellightsontoYELLOWwhentheequalizerswitchturnson.
Whenaninputlevelexceededaleveleveryeachchatthemoment,theLEDturnson.
Itshowsthatasetpointofaninputlevelishighorthemastervolumelevelisnotappropriate.
PK=RED:WhentheOUTSELECTswitchissettotheMIXposition,andwhenthe
inputsignalexceedsthelevel,theLEDlightsontoRED.
D=GREEN:WhentheOUTSELECTswitchissettotheDIRECTposition,theLED
lightsontoGREEN.
D=Orange:WhentheOUTSELECTswitchissettotheDIRECTposition,andwhen
theinputsignalexceedsthelevel,theLEDlightchangestoORANGE.
Adjuststheinputsignalvolumeleveltoinputitwiththeapprppriatelevel.
MIC:Theinputsignallevelof-70dBmin.upto-30dBmax.issupported.
LINE:Theinputsignallevelof-30dBmin.upto+4dBmax.issupported.
Itcanmatchtheaudiosignalsdifferentinthelevelfromthedifferentmicrophoneinthe
sensitivityorfromthedifferentaudiosourcedifferentinthelevelwiththesamelevel.
EachinputCHisprovidedwithahyperlimitercircuitindependentlyandtheswitchthatcan
turnonoroffthehyperlimitercircuitofeachCHindependently.
WhentheswitchissettotheLMTside,ahyperlimitercircuitturnsonandfunctions.
PFLFunction:WhilepressingtheswitchdowntothePFLposition,PFLfunctionoperates.
Andalevelofthesignaljustbeforethemastervolume,justbeforefadercircuit,isdisplayed
bytherightmeter,andonlythesoundofthesignalisoutputtoheadphones.
(NOTE)WhenusingtheHyperLimiter,turnitonafteratfirstadjustingandsettingthelevel
bythetrimvolumeandthemastervolumeinthelimiterswitchOFF
(Caution)WhentheCHmastervolumeisMIN(󲰄)evenifthethesoundisoutputbythePFLfunction,
thesoundisnotmixedandoutput.

07
4chFieldMixerFS-40X
PartsNamesandFuncctions
Mainpanel（Front）
L:WhenmixingtoLchannel.
C：WhenmixingtobothLandRchannel.
R：WhenmixingtoRchannel.
MS：WhenonlyusingtheMSmicrophoneconnectedtotheMSINconnectoror
3and4INconnectors.(onlyforCH3and4)
OFF:Thesignalisnotmixed.(onlyforCH1and2)
L/C/R/MSOutputChannelSelectswitch
Selecttheoutputchannel,LorR,tomixeachofthe1to4CHinputsignals
adjustedindependently.
CHFaderLevelVolumecontrol（withLEDindicator）
Adjustthemixinglevelofeachchannel.
TheLEDontheknoblightsontoseeandoperatetheknobeasilyinadarkplace
whentheLIGHTswitchontheleftpanel()turnson.
(CAUTION)ThevolumecontrolsoftheCH3and4chperform
thedifferentfunctionswhentheL/C/R/MSselect
switchesaresettotheMSposition.
CH3volumecontroladjuststhevolume,gain.
CH4volumecontroladjuststhesoundscape.
Ｍ
ＳＳ
Ｍ
ＳＳ
Ｍ
ＳＳ
Ｍ
ＳＳ
3
4
WhensettingtoMS
volume
extent
20/300LowCutFrequencyAdjustControl
Usedforadjustingthecut-offfrequencytocutthelowfrequencynoiseof20Hz-300Hz
suchaswindnoises.
Adjustitwhilemonitoringbyheadphones.
1kHzOscillator/BatteryCheckSwitch
1kHz:The1kHzoscillatoristurnedon.The1kHzreferencesignalisoutputto
theMASOUTandSUBOUTconnectors.
＜BatteryCheck＞
(Battery):Whentheswitchisturnedtothe
side,theindicationoftheVU/PEAK
meteroftheLisreplacedbybattery
residualquantityindication.
Theindicationoftheresidualquantity
isshownintherightfigure.
1236712H.Hours
7.8V8.2V8.9V9.8V12.2V󲰂Voltage
lightson
blink
(wink)
Meter
LED

08
4chFieldMixerFS-40X
PartsNamesandFuncctions
Maintpanel（Front）
HEADPHONEMONITORLEVELVolumeControl
POWERIndicatorLED
POWERSwitch
MASTERL/RMasterOutputLevelVolumeControls
HEADPHONEMONITORL/RChannelSelectSwitch
LightsonwhenthePOWERswitchissettotheINTorEXTandthepowerissupplied.
Andithasthevoltagecheckfunction.Whenthepowersupplyvoltagefallsbelow
approximately8.2V,theindicatorisblinkingtowarnyouoflackofthebatterycapacity.
INT:Thepowerissuppliedfromthebatteryinternal().
EXT:ThepowerissuppliedthroughtheDC12VINconnector(XLR4-pin)().
UsedtoadjusttheMASmasteroutputlevelvolume.Itisprovidedforeachchannel.
Theswitchofthepushlocktypeisadoptedsothataknobdoesnotturnaroundcarelessly.
Whenadjusting,pushtheknob,andtheknobsticksoutandisturnedeasily.
Andpushitagainafterwards.
Selecttheoutputsignaltotheφ6.3headphonejack()onthemainpanelandtheφ3.5
minijack()ontherightsideoutputpaneltomonitorheadphones.
HEADPHONEMONITORφ6.3Jack
UsedforoutputtomonitorthesignalsetbytheHEADPHONEMONITORL/RChannel
SelectSwitch()andtheHEADPHONEMONITORLEVELVolumeControl(）
VU/PEAKL/BATTandR/PFLAudioLevelMeterメーター
METERSELECTVU/PEAKAudioMeterSelectSwitches
LchannelandRchannelaremonitoredatthesametimebytwometers.
TheyarechangedtoVUmeterorPEAKmeterbyeachmeterselectswitch.
Aselectswitchisprovidedforeachchannel.
Settheappropriatepositionaccordingtothesignalinput.
L/R LandRstereo
L+RLandRmixing
LLmonoral
RRmonoral
AdjusttheleveloftheoutputsignalselectedbytheHEADPHONEMONITORL/RChannel
SelectSwitch()
Turnonoroffthepower.Whenthepowerison,thePOWERindicatorLEDlightson.
VU:ThemeterreadstheVUlevelvalueinuppersectionscale-20dB-+3dB.
PK:ThemeterreadsthePEAKlevelvalueinlowersectionscale-60dB-0dB.
While1kHz/BATTERYcheckswitchispresseddown,theL/BATTmeterdisplaysthebattery
level.

09
4chFieldMixerFS-40X
PartsNamesandFuncctions
Equalizerpanel（Toppanel）
EQUALIZERFRQEqualizingFrequencyControl
EQUALIZERLEVELEqualizingLevelControl
EQUALIZERON/OFFSwitch
Theequalizerisprovidedforeachchannel.
Theequalizingfrequencycontrolisprovidedforeachequalizerandadjuststhefrequencyofthe
signaltoequalizefreeintherangeof250Hz-8kHz.
Theequalizinglevelcontrolisprovidedforeachequalizerandadjuststhelevelofthesignalset
bythefrequencycontrol()intherangeof-12dB-+12dB.
Theequalizeron/offswitchisprovidedforeachequalizerandturnson/offeach.
ItcanturnofftheequalizerwithhavingthesettingscoordinatedbytheFRQcontrol()and
theLEVELcontrol().
Andbyturningitonandofftheequalizereffectforsettingscanbeconfirmed.
NIPPONVIDEOSYSTEMCO.,LTD

10
4chFieldMixerFS-40X
PartsNamesandFuncctions
Outputpanel（Rightside）
SUBOUTConnectors（XLR3-pin）
MASLMTMasterLimiterLimitLevelSelectSwitch
SelectthelimittinglevelforoutputsignaltotheMASOUTconnector.
Settotheappropriatepositionofthelevel+3,+6,+9orOFFaccordingtothe
equipmentconnected.WhenitisOFF,thelimiterdoesnʼtfunction.
2PIN:HOT 1PIN:GND
3PIN:COLD
PinassignmentXLR3-pin,male
1PIN:GND 2PIN:HOT
3PIN:COLD
PinassignmentXLR3-pin,female
forFS-40XAtype:Maletypeconnectorsareinstalled.
forFS-40XBtype:Femaletypeconnectorsareinstalled.
OutputtheoutputsignalselectedbytheSUBOUTlevelselctswithandregulatedby
theMASTERvolumecontrols.TheMASOUToutputlevelselectswitch,-20or-60dBm,
isprovidedforeachchannel.
WhentheOUTSELECTswitchissettotheMIXposition,the3/LOUTconnector
outputstheLchannelsignaland4/ROUTconnectoroutputsRchannelsignaland
whentheDIRECTposition,the3/LOUTconnectoroutputsthe3channelsignaland
the4/ROUTconnectoroutputs4channelsignal
MASOUTConnectors（XLR3-pin）
2PIN:HOT 1PIN:GND
3PIN:COLD
PinassignmentXLR3-pin,male
1PIN:GND 2PIN:HOT
3PIN:COLD
PinassignmentXLR3-pin,female
forFS-40XAtype:Maletypeconnectorsareinstalled.
forFS-40XBtype:Femaletypeconnectorsareinstalled.
OutputtheoutputsignalselectedbytheMASOUTlevelselctswithandregulatedby
theMASTERvolumecontrols.TheMASOUToutputlevelselectswitch,+4,0,-20or
-60dBm,isprovidedforeachchannel.
WhentheOUTSELECTswitchissettotheMIXposition,the1/LOUTconnector
outputstheLchannelsignaland2/ROUTconnectoroutputsRchannelsignaland
whentheDIRECTposition,the1/LOUTconnectoroutputsthe1channelsignaland
the2/ROUTconnectoroutputs2channelsignal

11
4chFieldMixerFS-40X
PartsNamesandFuncctions
Outputpanel（Rightside）/Batteryholder
SUBOUTConnectors（RCAPinJack）
DC12VINConnector
Usefortheoutputforaconsumerrecorder,etc.withtheRCApinplug.
Theoutputsignallevelissetto-10dBVfixedtoadapttoaconsumerrecorder,etc.
ThemixedsignalisoutputtotheLorRchanneleveniftheOUTSELECTswitchissettoMIXor
DIRECTwhichever.
OUTSELECTDIRECT/MIXSwitch
MIX:TheinputsignaltoeachchannelismixedtotheLorRchannelselectedbythe
outputchannelselectswitch().
DIRECT:Theinputsignaltoeachchannelisoutputtoeachchannelofthe1to4OUT
connectorsdirectly.Theoutputchannelselectswitchisnotvalid.
WhensettotheDIRECT,thePK(overlevel)/D(DIRECT)indicatorLED()lights
ontoGREEN.
HeadphoneConnector(φ3.5minijack)
UsedtomonitortheMASOUTsignalbytheheadphonewiththeφ3.5miniplug.
Itcanbeusedatthesametimewiththeheadphoneconnectedtotheφ6.3jackonthe
mainpanel.
MASOUT+4/0/-20/-60dBSelectSwitches
ProvidedforeachoftheLandRchannels.
Settotheappropriatelevelpositionaccordingttoeachtheequipment,therecorder,etc.
connectedtotheMASOUTconnectors.
PinassignmentXLR4-pin,male
1PIN:GND 4PIN:+12V
3PIN:NC
2PIN:NC
BATTRELEASEButton
Presstoreleasethebatterycase.
AABatteryCase(LR-68)
UsedforthepowersupplywiththeAAbatteries(8LR-6）.
WhenthePOWERswithisturnedontotheINT(internal)position,itsuppliesthepower.
SUBOUT-20/-60dBSelectSwitches
ProvidedforeachoftheLandRchannels.
Settotheappropriatelevelpositionaccordingttoeachtheequipment,therecorder,etc.
connectedtotheMASOUTconnectors.
Usedtosupplythepower,9to18VDC,fromtheexternalpowersupply,ACadaptor,etc.
WhenthePOWERswithisturnedontotheEXT(external)position,itsuppliesthepower.

12
Use
4chFieldMixerFS-40X
FS-40X
PowerSupply
２．InsertthebatterycaseinthemainbodycarefullyIntherightdirectionandpushituntilitislocked
inplaceandaclicksoundmaysound.
３．(Notice)Surelyconfirmthatthebatterycaseislocked.
sidewherebatteryisseen
１．PresstheBATTRELEASEbuttonandgetthebatterycaseout.
InstalleightsizeAAbatterydrycellsintherightdirectiontoabatterycase.
（NOTE）Whenusingtheexternalpowersupply,connecttheDC12VINXLR4-pinconnector.
■Puttingthebatterycaseinandout
BATTRELEASEbutton
Batterycase
DC12VINconnector

13
4chFieldMixerFS-40X
Use
PowerSupply
20
12
30
40
60
0
VU/PEAK
20
12
30
40
60
0
VU/PEAK
FS-40X
PROTECH
R
FIELDMIXER
forprofessional
1.TurnonthePOWERswitchontherightsideofthefrontpaneltoINT(leftside).Andconfirmthat
POWERLEDturnson.
Whenusinganoutsidepowersupply,turnonthePOWERswitchtoEXT(rightside).
■PowersupplyON/OFF/Theconfirmationofthebatteryresidualquantity.
POWERswitch
POWERLED
lightson.
2.Whenthebatterychechswitchisturnedontothebatteryside(),theL/BATTmeterindicates
thebatteryresidualquantity.
Iftheneedleofthemeterreadsthemostrightdomainofthegreenscale,itisavailablemorethan
sevenhours.
Turntheswitchdown（）
POWER
INT OFF EXT
METER
SELECT
VU
PK
R/PFL
L/BATT
L
R
FIELDMIXER
LEVEL
L
L+R
VU
PK
L
R
R/
BATTresidualquantityindicator
POWER
INT OFF EXT
（left）INT（right）EXT

(internal)(external)
batterypowersupply
suppliessupplies
thepowerthepower
1236712H.Hours
7.8V8.2V8.9V9.8V12.2V󲰂Voltage
lightson
blink
(wink)
Meter
LED
BatteryCheckSwitch

4chFieldMixerFS-40X
Use
14
InputSignalSetting
Beforeconnectingtheinputsignals,selectandsettheinputselectswitches.
Selecttheinputconnectortowhichtheinputsignalwillbeinputaccordingtothemixingchannel
andtheoutputconnector.
■ InputSelectSwitchSettingandInputSignalConnection
LINE:WhenconnectingtheLINElevelsignal.
P48:Whenconnectingaphantom48Vcondensermicrophone.
AB12:WhenconnectingaA-B12Vtypemicrophone.
(ex.SENNHEISERMKH416T,etc.)
D-MIC:Whenconnectingadynamicmicrophone
thatdoesnotneedapowersupply.
BATTERYCASE
Settheinputselectswitch
Inputconnector
Inputsignal
XLR3-pinfemale
2PIN:HOT 1PIN:GND
3PIN:COLD
1PIN:GND 2PIN:HOT
3PIN:COLD
XLR3-pinmale
1．Settheinputselectswitchaccordingtotheinputsignal.
2．Aftersettingtheinputselectswitches,connecttheinputsignalstoeachoftheinputconnectors
bytheXLR3-pincable.
Inputselectswitches
Inputconnectors（XLR3-pin）
InputConnectorPinassignment
FS-40XAtype
FS-40XBtype

2-2．WhenconnectingtherecorderwiththeRCApinjackinput,theSUBOUTRCApinjackoutput
levelis-10dBVfixed(Theoutputlevelcannotbeselected.).
Ex.Whenusingtherecorderthattheinputlevelis+4dB,connectittothe1/Lor2/ROUT
connectorandsettheinputselectswitchtothe+4dBposition.
■Connecttotherecorderandsettheoutputlevel
2-1.SettheMASOUTlevelselectswitchesandSUBOUTlevelselectswitchestotheappropriate
positionaccordingtotheinputleveloftherecorder,etc,connected.
MASOUT1/Land2/Rcanbesetto+4,0,-20or-60dBandSUBOUT3/Land4/Rcanbe
setto-20and-60dB.
4chFieldMixerFS-40X
OutputSignalConnectionandSetting
Use
15
1．Connecttotherecorder,etc.withtheXLR3-pincablesortheRCApinplugcables
Selecttheconnectorsaccordingtothemixingandtherecorder,etc.connectedandtheirinput
level.
MASOUTSUBOUT
Connectors（XLR3-pin）
SUBOUTL/R(RCAPinJack)
SUBOUT（RCAL/R）
OutputLevelSelectSwitches
Connectors
MASOUT
1/Land2/ROUT
SUBOUT
3/Land4/ROUT

POWER
INT OFF EXT
METER
SELECT
VU
PK
R/PFL
L/BATT
L
R
FIELDMIXER
LEVEL
L
L+R
VU
PK
L
R
R/
16
4chFieldMixerFS-40X
Use
OutputLevelAdjustment
２．ConnectaheadphonetotheHEADPHONEMONITORjack.
３．Turnthe1kHzswitchon.
turnfullydown（󲰄） whenstereo＝L/R
whenmono＝L+R,LorR
alittleupperfrom󲰄
POWER
INT OFF EXT
METER
SELECT
VU
PK
R/PFL
L/BATT
L
R
FIELDMIXER
LEVEL
LMT
PFL
L
L+R
VU
PK
MS
󲰄
0
L
R
R/
LMT
PFL
LMT
PFL
LMT
PFL
󲰄
0
󲰄
0
󲰄
0
MS
１.TurnalltheCHmixinglevelvolumecontrolsfullydown,tothe󲰄position.
AndsettheHEADPHONEMONITORselectswitchontherightsideofthemainpanel(front)tothe
appropriateposition,L/RorotherandturntheHEADPHONEMONITORLEVELvolumecontrolto
alittleupperpositionofthe󲰄position.
20
12
30
40
60
0
VU/PEAK
FS-40X
forprofessional
■Adjusttheoutputlevel
4．SettheMETERSELECTswitchestotheVUorPK.
Whentheselectedmeterisatypesameasthemeterthatisattachedtotherecorderconnected,
thelevelisadjustedmoreprecisely.
METERSELECTswitch
selectVUorPK
HEADPHONEMONITOR
selectswitch LEVELvolumecontrol
turnon
POWER
INT OFF EXT
METER
SELECT
VU
PK
R/PFL
L/BATT
L
R
FIELDMIXER
LEVEL
L
L+R
VU
PK
L
R
R/
METERSELECT
CH1-4mixinglevelvolumecontrols
up

17
4chFieldMixerFS-40X
Use
adjust
FS-40X（VU） Recorder(VUmeter)
Recorder(digitalmeter）
６．AtthesametimeI,adjusttheheadphonevolumelevelbytheHEADPHONEMONITORLEVELvolume
controltobecometheappropriatevolume.
７．Andthen,adjusttheinputleveloftherecorderconnectedtotheproperlevel.
（NOTE）WhenthePEAKmeterisprovidedfortherecorder,theappropriatevolumelevelis-20dB.
AdjustbothoftheFS-40Xandtherecordertothevolumeof-20dB.
30
12
20
40
1
2
3
20
10
7
5
3
1
0
NIPPONVIDEOSYSTEMCO.,LTD.
VU/PEAK
PROTECH
FS-305
0
60
VU
PK
BATT
1
2
3
20
10
7
5
3
1
0
VU
30
12
20
40
1
2
3
20
10
7
5
3
1
0
NIPPONVIDEOSYSTEMCO.,LTD.
VU/PEAK
PROTECH
FS-305
0
60
VU
PK
BATT
0-20
８．Afteradjusting,turnthe1kHzswitchoff.
20
12
30
40
60
0
VU/PEAK
FS-40X
forprofessional
Press,andtheknobpopsupandcanbeoperate.
20
12
30
40
60
0
VU/PEAK
20
12
30
40
60
0
VU/PEAK
PROTECH
R
FIELDMIXER
forprofessional
5．AdjusttheoutputlevelbytheMASTERL/Routputlevelvolumecontrolstotheappropriatelevel.
FS-40X（PK）
MASTERL/R
（PUSHOPERATE）
HEADPHONEMONITOR
LEVEL
OutputLevelAdjustment
WhenVUmeter:to0dB
WhenPEAKmeter:-20dB
（NOTE）WhentheVUmeterisprovidedfortherecorder,theappropriatevolumelevelis0dB.
AdjustbothoftheFS-40Xandtherecordertothevolumeof0dB.

18
4chFieldMixerFS-40X
InputLevelAdjustment
Use
MIC/LINE
VolumeControl
EQLED＝EqualizerON/OFF
LMT/PFLSwitch
PEAK/DIRECTLED
RedMark=StandardLevel
L＝mixedtoLchannel
C＝mixedtoLandRchannel
R＝mixedtoRchannel
MS=forＭＳmicrophone(3/4ch)
OFF=notmixed(notoutput)
LowCutFilterCut-offFrequencyControl
Toadjustthecut-offfrequencyoftheL.C.F.
inthefrequencyrangefrom20Hzto200Hz
tocutthelowfrequencynoise,forexamplethe
windnoise,etc.
OutputCHSelectSwitch
POWER
INT OFF EXT
METER
SELECT
VU
PK
R/PFL
L/BATT
L
R
FIELDMIXER
LEVEL
LMT
PFL
L
L+R
VU
PK
MS
󲰄
0
L
R
R/
LMT
PFL
LMT
PFL
LMT
PFL
󲰄
0
󲰄
0
󲰄
0
MS
settoanyposition
LMT/PFLSwitch
adjust
adjust
■Adjusttheinputlevel
１．WhileholdingtheLMT/PFLswitchofthechannel
connectedtotheinputconnectorpresseddown,
turntheLINE/MICvolumecontroltoadjustthe
inputleveltotheappropriatevolume.
２．SettheL/C/Rchannelselectswitchtoany
position.
３．Adjusttheinputleveltotheappropriatevolume
bytheCHvolumecontrol(CHfader).
４．Aftersettingtheinputlevel,turnontheLMT/PFLswitchwhenusingtheLIMITER.
TurningontheLMT/PFLswitchtoLMTposition,atthetimeofthesuddenexcessiveinputthe
LIMITERfunctionstopreventtheinputsignalfrombeingdistortedandthesoundfrombreaking.
（NOTE）ThisoperationmustbecarriedoutwhentheLMT/PFLswitchisturnedoff.
MIC/LINEInputLevel
VolumeControl
CHselectswitch
pressdown
CHvolumecontrol
(CHfader)
TheMASLMToutputlimiterfunctionswhentheMASLMTswitchissetto+9,+6or+3dB.
TheMASLMToutputlimiterfunctionsmorestronglywhentheMASLMTswitchissettothe
+3dBpositionthansettothe+9dBposition.Setitasneeded.
LMT
PFL
󲰄
0
LMT/PFLSwitch
OFF(neutral)

19
4chFieldMixerFS-40X
Use
Equalizer
LMT
PFL
mainpanel
(front)
EQLEDlightsontoyellow.
toON
fullyup,tothe+12dB,max.
searchforthefrequency
adjusttoanylevel
1
250Hz 8KHz -12dB 12dB
ON
OFF
FRQ LEVEL
1
250Hz 8KHz -12dB 12dB
ON
OFF
FRQ LEVEL
Equalizerpanel(Top)
1
250Hz 8KHz -12dB 12dB
ON
OFF
FRQ LEVEL
■UsetheEQUALIZER
TheEQUALIZERisusedtoraiseorlowerthelevelofanyfrequencyrangeoftheinputsound.
Theequalizingfrequencycanbeadjustedintherangeof8kHzfrom250HzbytheFRQcontrol
providedforeachinputchannel.
Andthelevelcanbeadjustedintherangeof12dBfrom-12dBbytheLEVELvolumecontrol
providedforeachinputchannel.
1．TurnontheON/OFFswitchofachannel.
2．TurntheLEVELvolumecontrolfullyup,tothe+12dBposition.
TurntheFRQcontrolwithin250Hz-8kHztosearchforthefrequencythatthesoundthatis
emphasizedisheardbestwhileconfirmingitbyheadphones.
3．AdjusttheleveltoanylevelturningtheLEVELvolumecontrolafterthefrequencyisdecided.
4．WhentheEQUALIZERswitchisturnedonandoff,aneffectoftheEQUALIZERisconfirmed.

WhentheEQUALIZERisturnedon,theEQLEDonthemainpanelturnsontoyellow.
ONorOFFoftheEQcanbeidentifiedonthefrontpanel.
5．Inthesameprocedure,adjustallnecessarychannels.

Then,theadjustmentsandsettingsoftheaudiohasbeencompleted.

20
BlockDiagram
4chFieldMixerFS-40X
FS-40X
XLR4P