W2IIHY 3 x 4 SWITCH PLUS Operating instructions

Brand: W2IIHY

Model: 3 x 4 SWITCH PLUS

Category: Musical Equipment

Type: Operating instructions

This manual is also suitable for

EQplus

OPERATINGMANUAL

EQplus

AUDIO

PROCESSOR

September2004

JuliusD.Jones

19VanessaLane

Staatsburg,N.Y.(12580)

(845)889-4253

E-mail:Julius@W2IHY.COM

HomePage:http://www.w2ihy.com

c2004W2IHY, ALL RIGHTSRESERVED

-2-

TECHNOLOGIES

W2IHY

EQplus

AUDIO

PROCESSOR

OPERATINGMANUAL

TABLEOFCONTENTS

Introduction.........................4

FrontPanelControls..........5-9

RearPanelControls............10-11

Schematic(FrontPanel).......12-13

Schematic(RearPanel).......14

RearPanelControls...........15

GettingStartedTutorial.......16-19

InternalWiring....................20

AudioOutCablewiring......21-24

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-4-

TheEQplus is thenext generationofaudioprocessing

equipmentfromW2IHY Technologies. TheEQplus was

designed tobedirectly attached totheworldfamous

W2IHY 8BandEQ. TheEQplus provides features such

as AudioCompression,DownwardExpansion, Effects

andconnectivity to3radios. Allthese features, and

more,weredesigned inaway thatmakes theEQplus

easy touse. Extensive testing was doneby amateurs

onmany differentradios on AM,FMandSSBso thatthe

product wouldbeready foryou touse problemfree.

Buying theEQplus gives you theavailability to Amateur

Serviceunrivaled inthehobby.Wefeelso confident that

you willbedelightedwiththeEQplus thatweoffera30

day money back,noquestions askedguarantee. The

EQplus represents thenewreference pointforeasy to

use amateurradioaudioequipment.

IfIdidnotthink you wouldbedelightedwith TheEQplus

Iwouldhave notputmy call sign onit. Thanks foryour

purchaseandweappreciate your business.

Julius D,Jones (W2IHY)

INTRODUCTION

EQplus

AUDIO

PROCESSOR

-5-

FRONTPANEL CONTROLS

Thissectiondescribeseachofthecontrolsonthefrontpanel. You

shouldreadthroughthissectionnow.Someofthedescriptionswill

bemoremeaningfulafteryoufirstworkthroughtheGetting

Started Tutorial.

Thisswitchturnstheunit'spoweronandoff.

ThisLEDgoesonwhenpowerisonintheunit.

(1)PowerOn/OffSwitch(S1)

(2)PoweronLED(LED1)

(3) AudioInputMicPWR(Power)Switch(S6)

Turningthisswitchonputs+5VontowhatispluggedintotheMic

Inand AuxInputconnectors. TheMicpowerswitchmustbeonif

youhaveanyofthefollowingmicrophonesconnecteddirectlyinto

theEQplus:

-ICOMHM12,HM36,SM6etc..

-HeilmicrophonesmadespecificallyforICOMradio’ssuchas

theHMIandICM

-ElecractMH2(madefortheElecraftradiobyHeilSound)

711 12 10

514 15 13

317

FRONTPANEL CONTROLS

-6-

(4) AudioInputImpedanceSwitch(S5)

(5)MicInGain(R12)

(6)LEDBarGraph

This3positiontoggleswitchisusedtochangetheinputimpedance

oftheMicand AuxInputs(19,20&21).InputImpedancesof200ohms,

600ohmsand50Kohms(HI-Z)maybeselected.

Thispotentiometer,whenturnedclockwise,canincreasethe AudioInput

signallevelsuptoabout+40dBv. Themicgainshouldbechanged

until3or4greenBarGraph(7)LED’s

areilluminated. Audiolevelsshouldbemaintainedinthegreenand

yellowrangesoftheLEDBarGraph(6).

The10segmentLEDBarGraphindicatespeaktopeakEQplusinternal

audiolevels. ThepositionoftheEqualizer(7)andCompressor/

DownwardExpander(10)switchescontrolwhatinternalfunctionisbeing

indicated. ThetablesbelowdefineswhattheLEDBarGraphisindicating.

ThepictorialbelowshowstheEQplus AudioChain

while

speakingintothemicrophone

EQplus BAR GRAPH MONITORING

Compressor Equalizer Bar graph monitoring

off off Output of Audio Amp

off on Output of Equlaizer

on off Output of Compressor

on on Output of Compressor

dB reading

Peak to Peak

voltage

0 1 Volt

-6 500 mv

-12 250 mv

-24 125 mv

Dual

BandEQ

BAR

GRAPH

Comp./

DwrdExpd.

EFFECTS

PROC.

OFF

AudioOut

AUDIO

AMP

OFF

EQplus AUDIOCHAIN

Audio

Amp

AudioIN

FRONTPANEL CONTROLS

(7)EqualizerOn/OffSwitch(S3)

(8)EqualizerBass(R37)

(9)EqualizerTreble(R38)

(10)Compressor/DownwardExpanderOn/OffSwitch(S2)

(11)Compressor/DownwardExpanderCOMPRESSOR(COMP)

POTENTIOMETER(R22)

ThisswitchturnstheEqualizeronandoff.Whentheequalizeris

off,adjustingthebassandtreblecontrolshavenoeffectonthe

outputaudio.

ThisrotarypotentiometerworksonlywhentheEqualizerSwitch

(7)ison. Turningthiscontrolclockwiseincreasestheamountof

bassboost. Turningthiscontrolcounterclockwisedecreasesthe

amountofbassboost. Thedetentatthehalfwaypointofrotation

represents0dBofboost.Eachcasemarkingrepresents4dB.

ThisrotarypotentiometerworksonlywhentheEqualizerSwitch

(7)ison. Turningthecontrolclockwiseincreasestheamountof

trebleboost. Turningthiscontrolcounterclockwisedecreasesthe

amountoftrebleboost. Thedetentatthehalfwaypointofrotation

represents0dBofboost.Eachcasemarkingrepresents4dB.

Whentheswitchisintheoffpositionthecompressorand

downwardexpanderhavenoeffectontheEQplus’saudio.

ThispotentiometerworksonlyiftheCompressor/Downward

Expanderswitch(10)ison. TheCOMP potentiometercontrols

theamountofcompressionthatwillbedonebytheunit.Ifthe

COMP potentiometeristurnedfullycounterclockwisethenthere

willbenocompressionintroduced(0dB)toincomingsignals.

IftheCOMP potentiometerisrotatedfullyclockwisethen

-7-

FRONTPANEL CONTROLS

Incomingsignalswillhaveupto20dBofcompressionintroduced.

TheEQpluscompressorcircuitrycontainsalimiterthatispreset

atthefactory. Thelimiterissettolimittheprocessedsignalsto

375millivolts(-9dB).Whenthislevelisreachedthe1-styellow

LEDonthebargraphwillbeonandthetopRed(Limiting)LED

willturnon. Additionalincreasesinaudiolevel,usingeitherthe

AudioInputGainPotentiometerortheEqualizerPotentiometers,

willresultinasmallincreaseinoutputfromthecompressor’s

circuitry. ThegoodnewsisthattheEQpluscanproducehigh

levelsofcompressionwhilemaintainingfidelityandverylow

distortionlevels. TheRFcompressorsinmanyradio’shave

difficultyattaininghighlevelsofcompressionwithlowlevels

ofdistortions.RFcompressorsrolloffthelowendaudioresponse

ofthesignalstheyprocess. ThenetresultoftheEQplus

compressorisupto20dBofsignalcompressionwithverylow

distortionandlittletonochangeinoverallaudiobandwidth..

ThispotentiometerworksonlyiftheCompressor/Downward

Expanderswitch(10)ison. TheDownwardExpanderremoves

unwantedaudiblesoundssuchasfannoise. TheDownward

ExpanderisoperatedbyturningtheDELEVEL Controlclockwise

justtothepointwhereunwantedsoundsareremoved.

(12)Compressor/DownwardExpanderDownwardExpander

Level(DELEVEL)POTENTIOMETER(R47)

(13)EFFECTSPROCESSORPROGRAMSELECT/OFF

SWITCH(S4)

This3positiontoggleswitchisusedtoselectoneoftwoeffectsor

toturntheEffectsProcessoroff.WhentheEffectsProcessoris

offtheEffectsProcessorDelayandLevelcontrolswillnotmodify

internalEQplusaudio. Thetoggleswitchinposition1selects

Effect1.Effect1emulatesdampeningsoundreflectingmultiple

timesfromasurface. Thetoggleswitchintheposition2selects

Effect2.Effect2emulatessoundreflectingoncefromasurface.

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FRONTPANEL CONTROLS

(14)EFFECTSPROCESSORDELAY Potentiometer(R42)

(15)EFFECTSPROCESSORLEVEL Potentiometer(R47)

(16)OUTPUTLEVEL Potentiometer(R44)

(17)Monitor(Mon)LEVEL Potentiometer(R39)

ThispotentiometerworksonlyiftheEffectsProcessor3position

toggleswitchisselectingeithereffect1oreffect2. TheDelay

control,whenrotatedclockwiseincreases,byuptoabout

80milliseconds,thetimethataudiowaveformisdelayed. The

delayedwaveformisthenmixedwiththeoriginalnondelayed

waveform. Themixedwaveformisnextsenttotheoutputof

theEQplus.

Whenthepotisturnedclockwise,atthehalfwaypoint,thereisa

detent. ThisrepresentsastartingpointforadjustingtheEffects

ProcessorDelay..

ThispotentiometerworksonlyiftheEffectsProcessor3position

toggleswitchisselectingeithereffect1oreffect2. TheLevel

control,whenrotatedclockwise,increasestheamplitudethat

thedelayedaudiowaveformiscombinedwiththeoriginalnon

delayedwaveform.

Whenthepotisturnedclockwise,atthehalfwaypoint,thereisa

detent. ThisrepresentsastartingpointforadjustingtheEffects

ProcessorLevel.

Thispotentiometervariestheoutputlevelfromabout10

millivoltstoabout1voltpeaktopeak.

ThispotentiometeradjuststheaudiolevelintothePhones

Connector(24).

-9-

REARPANEL CONTROLS

19 18 22

20 23 24

21 22 25

(18)MICSELECT

(19)MICINPUT

This threeposition switchselects the YAESU,KENWOODor

ICOMmicrophone pluggedintothe8pinMic Input(19).

(Othermicrophones supported withmic adapters)

This Inputuses an8Pinmicrophone maleconnector. The

impedance ofthis inputis set by the AudioInput3position

toggleswitch(4).Donotuse this connectorwhenRCA Mic

In(20)orthe Aux Input(21)is beingused.

IcomKen Yaesu

+Mic+Mic

+5VPTT+5V

PTT+5V

PTT

Gnd-MicGnd

Gnd+Mic

PTT

Gnd

-10-

REARPANEL CONTROLS

-11-

(20)MICINPUT

ThisRCA femaleconnectorisusedasamicrophone

input. ThisconnectorworksindependentoftheMicSelect

switch(18)andmaybeusedforanotheraudioinput

sourcesuchasamicrophone. Theimpedanceofthis

inputissetbythe AudioInput3positiontoggleswitch(4).

(21) AUXINPUT

(22)PTTINPUT

(22)OUTPUTSELECT

This5PinDinconnectorallowsaudiotobebroughtinto

theEQplusfromanexternaldevice..Thisconnector

worksindependentoftheMicSelectswitch(18)andmay

beusedforanotheraudioinputsourcesuchasa

W2IHY 8BandEQ. Theimpedanceofthisinputissetby

the AudioInput3positiontoggleswitch(4).

ThisfemaleRCA connectorisforpushtotalkcontrol. A foot

switchorotherdevicemaybeconnected.Groundingthe

centeroftheconnectorgroundsthepushtotalklineonthe

selected AudioOutput.

Thisthreepositionrotaryswitchdirectsaudiotooneof3

5PinDINconnectors(Output1,Output2orOutput3.)

Gnd

PTT

- AUDIOIN

+ AudioIN

AUXINPUT

5PinMaleDIN

Dinconnectorsshown

onsidetobesoldered

-15-

REARPANEL CONTROLS

(23) AUDIOOUTPUTS1,2and3

(24)PHONES

(25)Power

TheaudiooutputandPTT outputs oftheEQplus uses these

5pinDIN’s. Whenthe AudioOutputRotary switch(22)is in

the“1”position, audiois activeat AudioOutput1.Whenthe

AudioOutputRotary switch(22)is inthe“2”position, audio

is activeat AudioOutput2.Whenthe AudioOutputRotary

Switch (22)is inthe“3”position, audiois activeat Audio

Output3. Thediagrambelowshows theconfiguration ofeach

ofthe3outputs.

This 1/4“Stereoheadphoneconnectorcan beused tomonitor

audiofromtheEQplus. Theoutputlevel ofthis connectoris

controlled by theMonitorLevel control(1).

(Aninlineadaptershould beused withheadsets thatdonot

use 1/4“stereo connectors. Stores like RadioShack have

suchadapters available.)

5PinDinconnector.7-14VDCinputat100ma.

Important:Unless

headphonesusing1/4” stereoconnectorsareused,the

EQplusmonitorwillnotoperateproperly.

Gnd

PTT

- Audio

+ Audio Balanced

Output

Hi-ZOutput

AUDIOOUT1/2/3

5PinMaleDIN

Dinconnectorsshown

onsidetobesoldered

+7to14V

GND

Power

5PinMaleDIN

Dinconnectorsshown

onsidetobesoldered

-16-

GETTINGSTARTEDTUTORIAL

Beforepluggingthepowertransformerintothewall,presetthe

EQpluscontrolsasindicated:

and

alloff.

urnthe toselectthemicrophoneyouwill

beusing.Ifyouarenotusingamicbutanexternalaudiosource

likeaW2IHY EQ,connectyouraudiosourceintothe AuxInput.(If

youareusingaW2IHY EQ,thenconnectacablebetweentheMic

OutoftheEQandthe AuxInputoftheEQplus.)

Plugthepowertransformer(powercube)intothewallandintothe

PowerconnectoroftheEQplus. Attachtheaudiocablebetween

yourtransceiver/transmitterandthe oftheEQplus.

andyouareusing

anelectretmicsuchasanICOMHm12,Hm36,Sm6,...ora

HeilMicmadeforICOMradios,thenturnthefrontpanel Audio

InputMicPwrswitchon.Setthe AudioInputimpedance(4)for

theimpedanceofthemicthatisconnectedintotheMICIN.Most

amateurradiomicsare600ohms.

Power,Equalizer,Compressor/Downward Effects

Processor

MicSelect

AudioOut

IfyouareusingamicintotheEQplus

Adjustingthe AudioInputLevelusingaMicintotheEQplus

Connectyourmicrophoneintothe rear

connector. T

frontpanel AudioInputMicPWR

Switch(3)isoff.Setthe AudioInputimpedance(4)to600ohms.

Turnonthepoweronthe8bandEQandtheEQplus.

ConnectamicintotheEQplus8pin

Turntherearmounted tothecorrect

manufacturerthemiciswiredfor(Yaesu/Kenwood/ICOM).

Whiletalkingintoyourmic,adjustthe

sothat2or3GreenLED’sonthebargraphlightup.

Turnonthepoweronthe8bandEQandtheEQplus.Connect

amicintothe8BandEQ.Whiletalkingintoyourmic,adjustthe

MicIn

IfyouareusingaW2IHY 8BandEQorotheraudiodevice

intotheEQplusmake,surethe

MICINConnector(19).

MicSelectswitch(18)

AudioInputGain(5)

Adjustingthe AudioInputLevelusinga

W2IHY 8BandEQintotheEQplus

GETTINGSTARTEDTUTORIAL

-17-

AudioInputGain(5)

MonitorLevel

AudioInputGain

sothat2or3GreenBarGraphLED’s

lightup. ThismayrequireadjustingboththeMicGaincontrol

onthe8BandEQandthe AudioGaincontrolontheEQplus.

Connectasetofstereoheadsetsintothe1/4inch“ ”

ConnectorlocatedinthebackoftheEQplus. Talkintothemic

tohearaudiocomingfromtheEQplus. Adjusttheheadset

volumebyturningthefrontpanel control(17)

Ifyouareusinganexternalaudiodevice,suchasaW2IHY

8BandEQ,usethesameequalizersettingsyouwereusingprior

tousingtheEQplus.

Turnthe (7)on. Turningthe

potentiometer(9)clockwiseupwillincreasetheamountofhigh

frequenciespresentinthe (23) Thedetentmidway

throughtherotationis0dBgainpoint. Turningthe

potentiometer(8)clockwisewillincreasetheamountoflow

frequenciespresentinthe (23) Thedetentmidway

throughtherotationisthe0dBgainpoint.Experimentationwill

berequiredtodeterminetheoptimalsettingsfortheEqualizer.

-WiththeCompressor/DownwardExpanderoff,theaudio

level,asseenontheLEDBarGraph,shouldbeadjustedso

that2or3greenLED’sareon. Thislevelmaybeadjusted

usingthe control(5).

- Turnthe (10). Turnthe

control(12)fullycounter

clockwise. ThiswilleffectivelyturntheDownwardExpanderoff.

UsingTheEQplusheadphone(PHONES)Monitor

AdjustinganExternalEqualizerconnectedtotheEQplus

AdjustingtheEQPlusDualBandEQ

USINGTHECOMPRESSOR/DOWNWARDEXPANDER

Phones

EqualizerSwitch Treble

AudioOut

Bass

AudioOut

Compressor/DownwardExpanderon

DE(DownwardExpander)

-18-

GETTINGSTARTEDTUTORIAL

- Turnthe control (11)fully counter clockwise.

This setting passes uncompressed audiothruthe

compressor. Turningthecompressor control clockwise

increasetheamountofcompression. Setthecompression to

thedesired level. Youcan turnthecompression levels

uptoapointwheretalking intothemic causes theRED

LimitingLEDtocome on. TheRedLEDcoming onindicates

thatadditionalincreases inaudiosignal levels,intothe

compressor,willresult inminimalsignal level increaseatthe

outputofthecompressor.Limitingofaudiosignal levels occur

whentheCompressoris onandtheinternalaudiosignals

exceed-9db(first yellow LEDon). TheEQplus creates no

perceptible distortion toaudiothatis heavily compressed.

- The (12)can beused toreduce

backgroundnoise. TheEQplus monitormay beused toassist

inadjustment oftheDownwardExpander.Connect your

stereo headsets intotherearpanel1/4”stereo

connector(24).Listen toaudiofromtheEQplus whiletalking

intothemic. Adjust thefrontpanel control (1)

toacomfortablelistening level. Whenyou arenottalking,

listen intheheadsets forbackgroundnoise. Turnthe

(DownwardExpansion) control (12)clockwise. You

should hearthebackgroundnoise level reduce as you turnthis

control clockwise. As you continue toturnthecontrol knob

clockwisetherewillbeapointwherethebackgroundnoise will

disappear. Atthepointwherethebackgroundnoise disappears

talk intoyour mic tomake sure you have notturnedthe

DownwardExpandercontrol toofar. Turningthecontrol toofar

willresult inchoppy andordistorted audio.Ifthemonitored

audiois choppy ordistorted thenturnthe

knob counterclockwise untiltheaudioheardis clear.

TheEFFECTSPROCESSORadjusts audiotoaddresonance

andambiance. The control (14)sets thetimethataudio

is delayed beforeitis mixed back intothenondelayed audio.

Compressor

Phones

MonitorLevel

LEVEL

Downward

Expander

Delay

DownwardExpander

ADJUSTINGTHEEFFECTS

TheLevelcontrol(15)setstheamplitudethattheaudiodelayed

bytheEffectsProcessorcombineswiththenondelayedaudio.

Throughexperimentation,theusercanfindwhatEffects

ProcessorDelayandLevelsettingsarebestfortheirvoice

characteristics.BoththeDelayandLevelcontrolshavedetents

halfwaythroughtherotationofthecontrol. Thedetentsmaybe

usedasastartingpointforadjustingtheEffectsProcessor.

Controls. TheEffectsProcessorcreates2differenteffects.

Program1( (13)up

towards1)simulatesaudioreflectingfromasurfacemultiple

times.Program2( (13)

selecting2)simulatesaudioreflectingfromasurfaceonce.

WithyourradioconnectedtotheEQplus,adjustthe

control(16)toalevelthatproperlydrivesyourradio.

TurningtheOutputLevelcontrolclockwiseincreasesthe

outputoftheEQplus. TurningtheOutputLevelcounterclockwise

decreasestheoutputoftheEQplus.

EffectsProcessortoggleswitch

Output

Level

GETTINGSTARTEDTUTORIAL

-19-

MICIN

PIN1

PIN7

INTERNAL WIRING

-20-

-21-

AUDIOOUT1/2/3

5PinMaleDIN

Dinconnectorsshown

onsidetobesoldered Gnd

PTT

- Audio

+ Audio Balanced

Output

Hi-ZOutput

LowImpedanceBalancedOutputtoLowImpedanceRadio

5PINDIN AUDIOOUTPUTCONNECTION

LowImpedanceUnbalancedOutputtoLowImpedanceRadio

LowImpedanceUnbalancedOutputtoHighImpedanceRadio

HighImpedanceUnbalancedOutputtoHighImpedanceRadio

AUDIOOUT1/2/3

5PinMaleDIN

AUDIOOUT1/2/3

5PinMaleDIN

AUDIOOUT1/2/3

5PinMaleDIN

AUDIOOUT1/2/3

5PinMaleDIN

Dinconnectorsshown

onsidetobesoldered Gnd(Audiocableshield)

PTT

- Audio

+ Audio Balanced

Output

Dinconnectorsshown

onsidetobesoldered Gnd(Audiocableshield)

PTT

+ Audio Unbalanced

Output

1KOhm

Dinconnectorsshown

onsidetobesoldered Gnd(Audiocableshield)

PTT

+ Audio

1KOhm

Dinconnectors shown

onside tobesoldered Gnd(Audiocableshield)

PTT

HI-Z

DINconnectorsshownonthesidetobesoldered

DONOT SOLDER TOSHIELDOFDIN

AUDIOOUTCABLEWIRING

-22-

AlincoDX77

Kenwood

TS130/140

TS430/440

TS850/TS870

TS930/940/950

SG2020

JapanRadio

JST-135

JST-245

Yaesu

FT990/ft992

FT1000MP/M-V

+Mic

PTT

GND

ICOM

735

745/746

756/756PRO

775

781

KACHINA

Gnd

PTT

+Mic

Gnd

PTT

-Mic

+Mic

8PinMicConnectorPin8

8PinMicConnectorPin5

8PinMicConnectorPin3

8PinMicConnectorPin1

8PinMicConnectorPin7

8PinMicConnectorPin5

8PinMicConnectorPin6

ShieldofCable

8PinMicConnectorPin2

8PinMicConnectorPin6

8PinMicConnectorPin7

8PinMicConnectorPin1

8PinMicConnectorPin8

Yaesu

FT102/FT107

FT747/757/767

FT847

FT1000/1000D

+Mic

PTT

GND

-Mic

8PinMicConnectorPin6

8PinMicConnectorPin7

ShieldofCable

8PinMicConnectorPin8

ICOMBALANCED

MODULATOR

746

756/756PRO

775

781

910H

5PINDIN

+Mic

PTT

GND

-Mic

8PinDINConnectorPin3

8PinDINConnectorPin2

ShieldofCable

8PinDINConnectorPin4

DINconnectorsshownonthesidetobesoldered

DONOT SOLDER TOSHIELDOFDIN

ShieldandBlackwire ShieldandBlackwire

Kenwood

TS140/440/450

TS680/690

TS570/711/790

TS811/850/870

TS940/950

ACC2

Gnd

PTT

-Mic

+Mic

ShieldofCable

13PinDINPin11

13PinDINPin12

13PinDINPin9

13PinDINPin8

AUDIOOUT&POWERCABLEWIRING

DRAKETR7

DRAKET4XB

COLLINS32S1,32S3

COLLINSKWM2A

COLLINS32V2,32V3

Hallicrafters

E.F.Johnson

HI-Z

Kenwood

TS520/TS530

TS820/TS830

+ Audio

- Audio

+ Audio

- Audio

PTT

GND

4PinMicConnectorPin2

4PinMicConnectorPin3

4PinMicConnectorPin1

2PinMicConnectorPin1

2PinMicConnectorPin2

2PinMicConnectorSpring/Case

4PinMicConnectorPin1

4PinMicConnectorPin4

4PINTENTEC

EXCEPTORION

+ Audio

- Audio

PTT

GND

4PinMicConnectorPin3

4PinMicConnectorPin2

4PinMicConnectorPin1

ShieldofCable

TENTEC

ORION

+ Audio

- Audio

PTT

GND

4PinMicConnectorPin3

4PinMicConnectorPin2

4PinMicConnectormetalshell

4PinMicConnectorPin1

ShieldofCable

Yaesu

FT901DM

Galaxy

- Audio

+ Audio

PTT

GND

4PinMicConnectorPin3

4PinMicConnectorPin1

4PinMicConnectorPin2

ShieldofCable

Yaesu

FT101ESeries

- Audio

+ Audio

PTT

GND

4PinMicConnectorPin3

4PinMicConnectorPin1

4PinMicConnectorPin2

ShieldofCable

DINconnectorsshownonthesidetobesoldered

DONOT SOLDER TOSHIELDOFDIN

Power GND

+7to14Vdc

-23-

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W2IIHY 3 x 4 SWITCH PLUS Operating instructions

Brand: W2IIHY

Model: 3 x 4 SWITCH PLUS

Category: Musical Equipment

Type: Operating instructions

This manual is also suitable for

EQplus

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W2IIHY 3 x 4 SWITCH PLUS Operating instructions

This manual is also suitable for

W2IIHY 3 x 4 SWITCH PLUS Operating instructions

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