ToVoiceProjectDateAugust31,19834:36pmFromStewart.paLocationPARCSubjectLarkcheckoutOrganizationCSLXEROXReleaseas/Indigo/Voice/Documentation/LarkCheckout.tiogaCamefrom/Indigo/Voice/Documentation/LarkCheckout.tiogaLasteditedbyStewart.pa,August31,19834:36pmAbstractThisdocumentdescribeshowtotestaLarkprocessor.EnvironmentFindaDoradorunningCedarnearaworkbenchortable.ThetableshouldbeequippedwithanEthernettransceivercableconnectedtothe1.5MbpsvoiceEthernetviaa"Dorado"or12volttransceiver.ThereshouldalsobeaDLScablefortestingtheRS-232portsontheLark.Thereshouldalsobetwotelephonelineswithmodularconnectors.Atleastonelinemusthaveatelephoneinstumentaswell.RollbackCedartoestablishacleanstartingstate.ClickDisconnectinanyChatwindowsbeforedoingaRollback.Obtainthecommandfile/Indigo/Voice/Top/LarkTest.cmbyusingtheFileTool.Runthecommandfile.ThiswillusebringovertoestablishacorrecttestenvironmentontheCedarend.ThecommandfilewillhavetobealteredasappropriateiftheLarkwillbeconnectedtosomenetworkotherthan173##oriftheDLSlineaddressisdifferentfromDLS+100016.Thebringoverportionofthecommandfileneedbedoneonlyonce.Therestofthecommandfilemutbeexecutedaftereveryrollback.Forthesoftwaretooperateproperly,theremustbean"Agent"runningonthevoicenet.IftheThrushtelephonecontrolserverisup,thenanAgentisrunning.Ifnot,startanAgentbytypingRunAgentPkg.UsetheFileTooltoretrieve/Indigo/Voice/Obj/Lark.*,/Indigo/Voice/ETP/LarkMon.obj,/Indigo/Voice/ETP/LarkMon.syms,and/Indigo/Voice/ETP/LarkSlave.mb.ConnectingaLarkBeforeconnectingthepowersupplytotheLarkcircuitboards,adjustthevoltagesforplus5,andplusandminus12.Besurethatallthechipsarepluggedinfacingtherightdirection.ChecktheSIPpackagesforcorrectorientation.Checkthepowersupplybypasscapacitorsforcorrectpolarity.ConfiguretheLarkDIPswitches.pî ìï_/qî1ï_/îpî(îï_/rî3Cï_/î8î:?î=„î@“pî ìï[Srî1ï[S pî(îï[Srî3Cï[Spî ìïWvrî1ïWvî�pî(îïWv rî3CïWvsî{ïOôtî ìïFîoqî¬ïFð.tî ìïDhî Lqî¬ïDhð.tî ìïBÀî �î¬ïBÀqîKïBÀîïBÀ î]îî!Xî$žî'­tî ìï?qqî¬ï?qîÆî3î!î$ î%Îî(Zî)ƒî,Ô uî ìïUîDwîGžî ìï7+îs î:î°î î!¤î#åî&î)Ðî-Eî2Ìî4ëî5öî–îB<îE›îG/î ìï Öî¼îîÒîåîXî!Éî$öî&íî+ î,~î2žî4&î6úî:î<î@&îB)îFtî ìï.î ®ï³îVî‘îî�î"iî42î ìï î Fî"ýuî ìï¼ î'î\rî ®ïmî, î,îšîÖî#Vî%î'�î*áî/*î4 î8)î:—î?èîB4îE<îFØî ìïÅî æî�îÀî ®ïJîÞîöîãîòîpî#î–î$÷î&Äî*ûî-yî0ê î7Êî<.î>¬îAlîGRî ìï¢î~ îUîšîùî!'î%˜î* î0jî2¨î7:î ®ï 'î/î�îßîÙÛTVm$æVoiceProjectNote2Adjustthethreeanalogtrimpotsformidrange.ConnectthefollowingLarkcables:power,Ethernet,Telephone,Speakerbox,Microphone.Usingjumpercables,connectLineInAtoLineOutAandconnectLineInBtoLineOutB.PlugintheLarkconnecterboxtotheTTYconnectorandplugintheDLSlinetotheTTYAconnectorontheLarkconnecterbox.Don'tconnecttheTeleWalljacktotheoutsidetelephonelineyet.InitialcheckoutThepurposeofthissectionistoseewhethertheEtherphoneworkswellenoughtoloadtestsoftware.OpentheLarkControlviewer,ifitisclosed.SettheoperatingmodetoManual.Left-Button-ClicktheModebuttoncorrespondingtotheLarkundertest.ThescrollableregioninthecenteroftheLarkControlviewerisindexedbyEthernethostnumber.TheEthernethostnumberofaLarkisthenumberonthelabeloftheMainEPROM.(Thereisalsoaversionnumberonthelabel,sobecareful!)ThisactionwillreadtheentryfortheLarkfromtheGrapevinedatabase.Examinethe"forward"fieldoftheresult,ifitis"notfound"or"MO"ratherthan"MD"ornot"Einstein"thenseekhelp.TurnontheLarkpowerswitch.Thismaytakeafewtries,duetoheavyinrushcurrentswhichcausethecircuitbreakertotrip.Right-clicktheStatusbuttoncorrespondingtotheLarkundertest.ThisactionshouldattracttheattentionoftheLark.Ifthisworks,amessageofsometimewillappearbothinthescrollableregionnexttotheStatusbuttonandinthetypescriptinthebottomportionoftheLarkControlviewer.Thecorrectcommentis"PowerOnBoot."Makeanoteifitissomethingelse.ClicktheStatusbuttonacoupleoftimes.Ifthemessage"Down"keepsappearing,thentheLarkistoosickforthistestingprocedure(orthenetworksaredownsomewhere).PushthephysicalResetpushbuttonontheLarkconnectorbox.AmessageshouldappearinLarkControlsaying"WatchdogTimerBoot."Thisverifiestheoperationofthesystemresetcircuitry.PushthephysicalNMIpushbuttonontheLarkconnectorbox.AmessageshouldappearinLarkControlsaying"NMI."Thisverifiestheoperationofthepuishbuttonandpartsofthememoryrefreshsoftware.LeftClicktheResetpushbutton(inLarkControl)correspondingtotheLarkundertest.Amessageshouldappearsaying"Teleboot"or"4015."Thisverifiestheoperationofpartsofthedownloadingsoftware.MiddleClicktheResetpushbutton(inLarkControl)correspondingtotheLarkundertest.Roughlyonesecondlater,a"WatchdogTimerBoot"messageshouldappear.Thisverifiestheoperationofthewatchdogtimerhardware.MiddleClicktheDebugpushbuttoncorrespondingtotheLarkundertest.ThisverifiesthecontentsofmostofthemainEPROM.Itshouldprint'!'s,butmayprintafewsmallnumbers.Ifitreportserrorsorprints"TeleloadError"thensomethingiswrong.RightClicktheDebugpushbuttoncorrespondingtotheLarkundertest.ThisverifiesthecontentsoftheslaveEPROM.Itshouldprint's's,butmayprintafewsmallnumbers.Left-ShiftClicktheLoadpushbuttoncorrespondingtotheLarkundertest.ThisloadstheopeationalprogramintotheLarkandstartsit.Ifallgoeswell,anew"NewLark"viewerwillappear.NewLarkprogramThepurposeofthissectionistodescribetheoperationofNewLark.NewLarkisaprogramwhichcanmanuallyexerciseessentiallyanyfeatureoftheLark.ItusesthesameLarkprogramasdoesthevî"ïfåî&Åî,�wîHDïfårî ®ï_/îî~îîlî åî#"î ®ï\´î0î™î´îî"¨î'8î-? î4oî9ºî<Ò îE�î ìï[ îÌîSî�îÓî¹î\î!"î$tî'Xî(üî+Êî0øî4Iî60î7²î9wî<Éî?®îB#îEjîG/î ìïYeî 1îgîî¶î îZî#¥î&Qî)kî+î-bî0©î3Tî4÷î7Kî;¤îAïîCêîF>î ìïW¾î-î¿î¬îÂî"î%î'ëî)šî+ùî0Âî7î9Ïuî ìïTnîrî ®ïQîkî”î2îºî<îŽî "î"[î'�î)Ô î1:î5!î7ôî<Äî>XîAMîC¾î ®ïN¤îyîÙ î»îyî Úî"1î#�î(¨î+î-iî3ˆî7^î9 î>{î ìïLüî �î¸î_ îŒî pî#î&‹î*Ãî.•î1£ î7öîSî@èîEAîG/î ìïKU îäî^îàî-î>î$úî( î.=î1+î6çî9÷î?9îAîBGîE®îG/î ìïI®îî îbîµîdîºîZî$Òî)Dî*¦î-iî.Šî3Hî8kî:gî<½î@iîB#îD î ìïHî îîÇîáî@îÓîî!nî$¾î($î*‚î1Eî4Jî7»î=tî?ÓîF_î ìïF_î ¥îî(î‰îßîKîpî.îòî$@î(Nî+tî/Îî1’î4 î:¿î=åî@ôî ®ïCãîJîoîîî^î«î!þî%7î(Zî+sî,»î/{î2÷î5Íî7›î;±î@îE�î ìïB<î ¡îî;î;îéî ®ï?Á îÄî3î\îÝ î'ãî)¡î,î/pî3‚î7î:2î>ZîBåîG/î ìï>îÅî�îîOîâî•î!î";î'£î)nî-î0Iî3î7žî:ëî<«î? îEKî ìïfîCîGáî ìï3Y îÎîîEî!gî&Dî)^î.&î0†î6¯î8hî:Èî?CîBŠ î ®ï0ÞîVî÷î…îG î#Óî&î(ºî,Kî2ãî6÷î8Äî>\îCîGáî ìï/6 îïîIîIî…î$nî&ïî-:î/î1• î9dî<=î?ÆîA¡îD"î ìï-�îˆî ®ï+î¡î:î”îZ î  î"Á î+ î4 î5²î8 î;Wî?TîB°îD7î ìï)lî�î8î• îáî Éî&•î)Ôî.Àî1Eî7“î9pî<ýî>ÛîA_ î ìï'Åî ®ï%JîqîÿîOî î"Dî$[ î,¦ î5�î7+î9{î<»î@­îCôî ìï#¢î ¢î>îÆîùîBî!nî%zî*Üî/bî4Ùî7ýî<Ïî?8îElîG/î ìï!ûîîÀî ®ïîuîîZîÕ î# î+þî- î/óî37î7-î:î=îAÍîD î ìïØî ¿î6î î‚îîÙîkî$î'ƒî*(î,Ãî/áî3cî4§î7bî;îAÛîCwîDçî ìï1î âî¦î“îèîLî!rî(î)�î ®ïµîŠî.î“î î"p î+mî-!î/†î2Üî6åî9Íî<íîA»îD î ìïî ¥îîkîsîêîfî Îî#cî%äî(èî,Pî-zî0î3¹î ®ï“ îÛî\î�î î#@ î,î-©î/ëî3î7î:.î=*î@ŸîBá î ìïëî{îSî²îîºîOî �î"î#óî' î*Rî+|î.jî2dî6fî:Êî=vuî ìïœîèrî ®ï MîƒîÃîzîî³îî Èî&)î(†î.­î0cî7Pî=dî>Îî?õîE�î ìï ¥î ‹î�îÜ î}î!2î%îî'»î*.î.ƒî0î3î5�î9!î<†îB)îCëîG/ÿ JTVm$ôVoiceProjectNote3operationaltelephonesystem,buthasnointelligence,itsimplydisplaysacontrolpanelallowingtheusertomanuallyturnonandoffvariousLarkfacilitiesSomeofthebuttonscontrolhardwarenearlydirectly,butsomecontrolsoftwarefeaturesoftheLarkprogram.NewLarkcommunicateswithaLarkbyusingRemoteProcedureCall.Ifthereismuchofanythingwrongwiththedigitalboard,itprobablywon'tworkatall...The"NewLark"viewerconsistsofseveralregions.Atythetop,thereisatypescriptinwhicheventnotificationsfromtheLarkarerecorded.Eventnotificationsincludetransitionsoftheswitchonthespeakerbox,thehookswitchofthetelephone,andtheringdetector.Theoutputofthetouchtonedetectorisalsorecordedinthiswindow.Nextthereisaneightbyeightarrayofemptyboxes.Thispartoftheviewercontrolstheanalogcrossbarswitchontheanalogboard.Thecolumnofnamesattheleftrepresentsinputstotheswitch,orsoundsources.Therowofnamesaccrossthetoprepresentsoutputsfromtheswitch,orsoundsinks.Thus,forexample,clickingtheboxattheintersectionoftheMikerowandtheSpeakercolumnconnectsthemicrophonetothespeaker.Ablack,orinverted,boxrepresentsaclosedconnection.VoicesourcesinLarkincludeCodec1andCodec2,whichrefertotheDigitaltoAnalog(D/A)partsofthetwoCodecchips.TheseD/AconverterstakedigitalvoicefromtheLarkcomputerandturnitbackintoananalogvoicewaveform.TeleSetreferstothemouthpieceofthetelephoneset,andalsotothepushbuttontouchtonepad.(Thepushbuttonpadisconnectedinparallelwiththemouthpiece.)TeleWallreferstovoicearrivingfromtheoutsidephoneline.Mikereferstothemicrophone.Silenceisjustthat,andLine1andLine2refertovoiceorothersoundsourcespluggedintotheLineInAandLineInBconnectors.VoicesinksinLarkincludeCodec1andCodec2,whichrefertotheAnalogtoDigital(A/D)partsofthetwoCodecchips.VoicewaveformsaredigitizedandpassedtotheLarkcomputer.TeleSetreferstotheearpieceofthetelphoneset.TeleWallreferstothecircuitswhichsendvoicefromtheLarkintotheoutsidetelephoneline.Speakerreferstotheloudspeaker.DTMFreferstotheDualToneMulti-Frequency(touch-tone)decoder.Line1andLine2refertothecircuitswhichsendvoiceorothersoundtodevicespluggedintotheLineOutAandLineOutBconnectors.OneproblemwiththeNewLarkprogramisthatthestateoftheLarkisnotalwaysaccuratelyreflectedontheNewLarkdisplay.TheSilencerowisacaseinpoint.LowlevelsoftwareintheLarkinsuresthatifnothingelseisconnectedtoanoutput,silenceisconnected.ThusyoumayimaginethattheSilencerowisallblackiftherearenootherblacksquares.AnimportantcaseofthesameeffectistheTeleWallcolumn.Infact,theTeleWalloutputispermanentlywiredtotheCodec1input.ThepositionsofthebuttonsintheTeleWallcolumnhavenoeffect.Belowthecrossbarregionareseveralrowsofindividuallynamedbuttonscontrollingmoreisolatedfacilities:OH--controlstheOffHookrelay,whenblack,telephonelineisoffhook.A--controlstheArelay,whenblack,Aleadisasserted,thisispartofthetelephonelinecircuitandshouldgenerallyfollowtheoperationoftheOHrelay,e.g.unlessspecified,clickthembothtogether.Revert--controlsreversionofthetelephoneset,whenblack,thetelephonesetisconnectedbyrelaydirectlytothephoneline.HS--controlsreversionofthetelephonesethookswitch.LikeA,thisrelayisassociatedwithRevertandshouldgenerallybeinthesamestate.Sidetone--controlsSidetone.Sidetonereferstothebitofyourownvoicethatisfedbackfromthemouthpieceofthetelephonesettotheearpiece.Withoutsidetone,thetelephonesoundsdead.Withvî"ïfåî&Åî,�wîHDïfårî ìï_/ îîZîî“î úî"ó î*†î+Ïî01î5Zî6wî;î>ÎîDDîF–î ìï]ˆî Šîwîkîaîî)îáî#! î(èî,­î.Uî0¤î5Šî:,î@$îDAî ìï[àî oîî¸î2î`î!î#|î&Îî-<î3T îwî?àîEÄî ìïX’î iîîñîÍî©î ®ïVî†î€î�îæî æî"Ÿî'0î ®ïS›înîãîÆîdîåî# î!…î#Hî'kî+5 î3î6“î9îÖîE˜î ìïQó îÁî© îTîî!}î%¿î'Îî*6î/=î2Uî4½ î;øî=¹î@! îFØî ìïPLî Kî.îXî0î¢î[î »î$’î'¬î,ûî.fî13î6ïî8�î;>î ®ïMÑî'î½î7î5îµî¾î ?î#Õî%›î)âî.ºî1âî4Óî6™î9î=yîB½îE*î ìïL)îQî˜î«îîŠî!wî$\î)^î+$î/uî1î3‡î6 î<™î@ÕîB�îDýî ìïJ‚î ªî¼î^î0îëîžî Ûî%}î'Öî*E î0Àî5°î9î;jî?öîA³îEÅî ìïHÛî ±îÝî�î¡îïî•î!î#j î*¸î,`î.®î2;î4ëî7‘î9ßî?îCôî ìïG3î K îìî›îúîÖîbî#dî%(î*äî-› î4î5Gî9u î ®ïD¸î¥î�îVî½î´î$î%\î(*î,†î.*î2Oî5·î7}î9óî>œî@aîE@î ìïCî FîñîCîáîîmî aî#¯ î*9î-%î1Pî4Öî8/î:�î=ÄîCàîFŠî ìïAiî Gî’îoîdîÍîfî"«î'¤î+~î-1î/• î7î8Îî;2îA�îDîFÂî ìï?Âî �î ÿ îMî&îCîÜî#0 î*~î-8î.¦î5,î6Ýî;Éî>æîAH î ìï>îÙîµîiîî*î!—î#ýî(Íî- î0¬î4Qî8-î9áî‰îC î ìï+éî›î©îî1îÐî"±î'xî*Bî+¶î,èî/ßî1–î6"î9Oî<žîBîCÖîF>î ìï*Bî•îfîÈîáî™îî"Œî$=î&/î*ûî/yî0æ î8Iî;Éî>‚îAˆîFÁî ìï(šî Kî îËî7î'îÑî1î»î"î$î'´î+^î ®ï&î4îÈîéîÕîhî!î%î&¶î)Hî/aî5˜î7šî:Òî=eîC~îH#î ìï$x îëîÇî|îáîÜî#oî&Nî,î-Ùî0?î5;î6ïî9Tî?AîD<îG‰î ìï"Ðî ®ï UîßîCîŸîæî>î#Óî'î(Ú î0tî4ÿî9ù î@íîD„î ìï­ î ®ï2îeîÜîîsîýîÓî"’î&Gî*Jî0 î3Wî4Âî6õî ®ï·îNîØî#î–î6îî Ñî$æî&‡î)“î+î0¶î3jî4êî7áî9­î< îBŠîEUî ìïî �î÷îÉîíî8î#Nî$òî'=î)áî-Œî0î4 î:î=7î@¬îCÔî ®ï”îî�î¨îŠî4î!„î'Êî*0î-Õî1Èî4î:_îÏî@OîBÍîF(î ìï §î 8 î›î@îŒîÏîÙî!sî#Àî)Øî/3î4æî73î=vîAÿîF ¯TVm$¬VoiceProjectNote4sidetone,thesetsoundslive.SidetoneisatalowerlevelthanthatproducedbyadirectconnectionofTeleSettoTeleSet.RingEnable--controlsRingEnable.TheLarkhastwovolumecontrolsforthespeaker.Onecontrolisadjustedbytheknobonthespeakerbox,andtheothercontrolislocatedontheAnalogboardnearthespeakerboxconnector.WhenRingEnableisblack,theinternalvolumecontrolisactivatedandthespeakerboxvolumecontrolisdeactivated.Theinternalcontrolisintendedtosetthevolumeoftelephoneringing.Itisseparatesothattheusercannotinadvertantlyturnringingcompletelyoffbyturningdownthespeakerboxvolumecontrol.LED--controlsthelightemittingdiodeonthespeakerbox.SPMode--controlsasoftwarebitwhichtellstheslaveprocessortoenter"SpeakerphoneMode."Normally,voicedigitizedbytheA/DpartsofCodec1andCodec2simplyenterdatabuffersinthememoryoftheLark.VoicedatafromdifferentbuffersisplayedoutthroughtheD/ApartsofthetwoCodecs.InSpeakerphonemode,theA/DandD/ApartsofthetwoCodecsoperateusingthesamebuffers,sothatanyvoicewhichisdigitizedisautomaticallyandimmediatelyplayedback(althoughacopyisretainedinmemory).SpeakerphoneModemustbeusedinordertoconnect,say,themicrophonetotheTeleWallbyusingthecrossbarswitchtoCodec1andCodec1toTeleWall(whichitalwaysis...).Then,byturningonSpeakerphoneMode,voicefromthemicrophoneisdigitizedandundigitizedandsenttotheTeleWall.O2I2--controlsthemodeoftheslaveprocessor.Becausetherearetighttimingconstraintstotheoperationoftheslaveprocessor,itcannotdoatonceeverythingofwhichitiscapable.Instead,therearetwocopiesoftheprogramwhichhavesomewhatdifferentcapabilities.TheO2I2buttonswitchesbetweenthem.Onemode,calledO2I2(forOut2In2),independentlydigitizesvoicesamplesfromCodec1andfromCodec2andplacesthesamplesinseparatebuffersinmemory(Thebuffersarecalledin1andin2,respectively.).O2I2alsotakessamplesfromthebuffersnamedout1andout2,andplaysthemoutthroughCodec1andfromCodec2,respectively.Theothermode,calledO3I1,forOut3In1,doesnotuseCodec2atall.SamplesfromCodec1areplacedinmemorybufferin1.Samplesfromthreedifferentbuffers,namedout1,out2,andout3,areaddedtogether(mixed)andplayedoutthroughCodec1.(Whenspeakerphonemodeison,programO3I1additionallymixesinthesamplefrombufferin1.)ModeO2I2wouldbeusedforhandlingtwosimultaneousphonecalls,onewithCodec1andonewithCodec2.ModeO3I1wouldbeusedforaconferencecall,inwhichseveralpeopletalkatonce,andalsoforgeneratingtones.Soundslikedialtoneandtouchtones(tm)areactuallypairsoftones.TheLarkgeneratestonepairsbyputtingonetoneinbufferout1andtheotherinbufferout2.ProgramO3I1thencombinesthetonesandplaystheresultingsoundthroughCodec1.WhentheO2I2buttonhasablackbackground,programO2I2isrunning,whenitiswhite,programO3I1isrunning.TS12--controlsthetimeslotofCodec2.Thisbuttondoesnotexistforanygoodreason.Inorderfortheanalogboardtooperateproperly,CodectwomustbeconfiguredtooperateinTimeSlot12,whichitdoeswhentheTS12buttonhasablackbackground.ThedefaultconditionoftheLarkhasTS12on,butNewLarkdoesnotcorrectlyreflectit.ClickingTS12willturnonthebutton.Thisisagoodideabecauseifclickedtwiceaccidently,thebuttonwouldbeoffandtheLarkwouldnolongerworkcorrectly.TX1,TX2,VFS-TX,RX1,RX2,RX3--ThesebuttonscontrolEthernetVoiceconnections.Theyareconfiguredaspairs.TheTX1button,forexample,transmitssamplesfoundinvoicebufferin1totheEthernetaddressrepresentedbytheRX1button.IfRX1isalsoturnedon,thenthereceivedEthernetvoicepacketswillbeplacedintobufferout1.TX2andRX2alsoformapair,butusebuffersin2andout2.VFS-TXisintendedforcommunicatingwiththeVoiceFileServerandRX3controlsreceptionofpacketsforbufferout3.Theselattertwoarenotapairandarenotdirectlyuseful.BelowtherowsofnamedbuttonsintheNewLarkviewerisaboxcontainingbuttonssuchasvî"ïfåî&Åî,�wîHDïfårî ìï_/îºî îDîèîsî"+î#žî%=î&nî*?î-Œî0ºî3�î9¶î;¹î<êî@Ó îGÖî ìï]ˆîáî�î ®ï[ î#î„î¦ î"áî%¤î(ßî+?î-Öî2ªî7Ëî9óî<=îAîîDÜî ìïYeî _îâîåîLîÝîëîRî"Yî%pî(/î*–î.=î2øî4kî91î;?î=¦îBvîFuî ìïW¾î JîIîÿ î/îF î&Ïî(:î,;î.™î3®î8–î=Hî>³îDyîG/î ìïVîÌîdî-îÁî î#Þî&–î+�î0 î1lî7 î8˜î:•î<ÕîAŸîC8î ìïToîvîæîJî›îWîîvî!hî%Ü î.&î1$î5Ù î<Íî>øî@ìîEÄî ìïRÈî KîKîîëî ®ïPMî î—îÎî-î^î!Ìî%¢î'©î*î/î ®ïMÑî]îéî5îsî î"3î&Vî)Nî+Ãî/?î5gî7*î:È îD…î ìïL*î‰î4îçîúîrî!æî%fî'7î+“î,àî/¯î4 î5Yî9áî=�î@žîEiîG/î ìïJƒîWîîlî”îsîvî!Ûî'~î,/î-™î2î4{î9±î<î?hîBÎîD…îFãî ìïHÛî¶î˜ î¢îãî!Uî%[î(%î+“î/î0Úî3Lî6 î:æî?ãîCŸîFî ìïG4î îåîÈî}î&îIîÉî%xî&ù î/�î2M î:9î>¿îBîHeî ìïE�î %îxî·îLîÜ î$»î(¤î+óî-Ëî0îî2ƒî6î7´î= î?§îAî î ìïCåî ¥îîÿîî¹î#î!…î%Éî'‚î,�î/Cî4Bî5úî;ëî@|îAÝîFLî ìïB>î óîÿîîî î î$vî(î+‘î. î5²î7-î<Øî?Ÿ îFØî ìï@—î Ïî~îÝî ®ï>î1î¯îíîSî0îðî!Vî$Ä î+Áî1 î4šî6ôî:8î>™ îEzîG/î ìï«îCQîE˜î ìï5×î \î%îíî1î¿î!�î%,î*iî-áî0Rî5î9®î<æî?®îC>îFî ìï40î xîðî+îrî©îcî Íî%î&£ î.ùî1Ôî5vî9§î= îAxîC¸îFˆîGÀî ìï2ˆî vî¤îîˆîÊîüî’îYî"Äî&(î*jî+œî-íî2Fî3ñî9[î=‡î@¼îF(î ìï0áî sîî î¤î î#œî&Qî)Íî,î0@î5¡î:Àî=uîAäîDWî ìï/:î*î.î¹ îhî!7î"�î$õî*}î-ô î5xî9]î;î=^îAÿîE`î ìï-’î "î*î­îáîØîî ^î& î(Ò î1î5_î8Íî;î> îBëîD&îFãî ìï+ëî îqî¨î¼îLîŽî!‘î$àî'0î(m î/qî2gî4(î8Hî<ìîA{îDEîEðî ìï*Dî ºîžîò îÂîkî"bî%$î'òî+$î-òî1àî5–î8½î;'î@UîCÉîE™î ìï(œî ºîîÿîîaîSî#î%´î(Äî*hî.�î1¨î4Vî6«î:@î;äî@îCõî ìï&õî iî�î®î î¬îcî"ìî%Kî*ñî/ î4Aî8†î ®ï$zî¸î îzîÞîFîbî!ÿ î)Õî/Wî2Æî4$î9¦î=Nî>—î?õîDî ìï"Òî iîÕî ®ï Wî;î­îÞî8îiî î$\î&aî)vî-âî1 î3|î6§î8Þî;zî>æîDîEÚî ìï°î GîÅîHî]î*î2î$8î(šî+eî.ëî0ú î7þî9Êî>Òî@ŸîD[îGRî ìïîîƒîÌîšîîÀî!Kî#Ùî%î(à î1yî4kî9,î?eîA7îC°îGî ìïaî —îî§îÕîî«î$hî(ºî*€î0î3¼î6î9œî;ºî>2îC¯îFáîHeî ìïºî wî‰îÄî=îþî« î&”î) î-—î1Þî3èî63î9î;{î>åîC,îEKî ìïî i î ®ï—î;îÉîËîzî!)î$€î&î*î/ î3ãî9™î=Š îFî ìïðî P îEîî[îDîyî$Sî& î,�î2yî7´î;Òî=�îA3îErîGàî ìïIî �î]î} îî!Oî#åî'aî-î.Óî2Oî3ñî6óî;›î>/îA‹îD!î ìï¡î•î+î î»î®î! î#æî(î,î/Fî2î5Iî8î;�î<®î?áîBdîDÜî ìïúî mîHî�îLîÚî ¹î# î,äî0"î2¤î6¨î9¢î>î@îîDXî ìï Sîõî®îŽîËîúî ûî$ýî(‘î+=î-‘î0î1/î4î6¿î9î;‡î@}î ®ï ×îî©î&îîÔî#î$çî'~î-Ìî2hî4 î5lî8Z î?KîDxîGáÿTVm$GVoiceProjectNote5PlayFile,Dial,andTones.Thesebuttons,whenclicked,bringupadditionalformscontaingtheparametersfor,say,thedialcommand.OnlytheDialandTonesbuttonsareofimmediateinterest.Dial--ThedialcommandinstructstheLarktogenerateasequenceoftouchtones.Touseit,firstclikDialtobringupthedialform.Thenclickthenumber:fieldinordertoeditthenumbertodial;thecaretshouldmovetothefieldtotherightofthe"number:".Afterenteringthenumber,theDoDialbuttonmaybeclickedtosendthecommand.WithprogramO3I1enabled(O2I2OFF),andCodec1connectedtoSpeaker,thetonesshouldbeheardinthespeaker.Tones--ThetonescommandinstructstheLarktogeneratesinglekindoftoneforagivenintervalandnumberofrepititions.Forexample,thedefaultargumentsbroughtupbyclickingTonescallforasoundcomposedoftwofrequencies,440Hzad480Hz.Thesetonesproducea"ringing"sound.Thesoundistobeonfor500millisecondsandofffor400milliseconds.Thereistobeonerepitition.Clickafieldnametoeditthecorrespondingvalue.ClickingtheDoTonesbuttoncausesthecommandtobesenttotheLark.AtthebottomoftheNewLarkvieweraretwootherboxeswhichareindependentlyscrollable.theuppersuchboxis"connected"totheRS-232portTTYA.Thebottomboxis"connected"totheRS-232portTTYB.ConnectedmeansthatkeystypedintooneoftheseboxescomeoutofthecorrespondingTTYport.CharacterstypedintooneoftheTTYportsappearintheboxes.Atthisswriting,whencharactersaretypedintoabox,theyappearinthatboxaswellasattheTTYport.ThisphenomononiscalledEchoingandisunintended.AnalogBoardCheckoutThepurposeofthissectionistoseewhethervoicepartsoftheEtherphonework.Ifyouhavegottenthisfar,aNewLarkviewerwillbepresentonthedisplay.ClicktheLEDbuttonafewtimestoseeiftheLEDonthespeakerboxturnsonandoffcorrectly.Turntheswitchonthespeakerboxbothupanddown.Foreachupordownmovement,amessageshouldappearinthevieweratthetopoftheNewLarkviewer.Themessagesshouldsay"device:speakerSwitch"and"event:220C"foran"on"movementoftheswitchand"event:221C"foran"off"movementoftheswitchthatrestoresittothecenter-offposition.Ingeneral,theevent:220CmeansthatsomethinghasturnedONandtheevent:221CmeansthatsomethinghasturnedOFF.ClickeachofOH,A,Revert,andHSseveraltimes,establishingthateachmouseclick(exceptpossiblythefirstone)producesacorrespondingaudibleclickfromtheanalogboardastherelaysswitch.Endupthisoperationwithalltherelaybuttonsbackgroundwhite.Ifthisteseworkssatisfactorily,plugintheoutsidephoneline.Liftandreturnthehandsetofthetelephone.TheseactionsshouldpproduceONandOFFmessagesintheupperviewerlikethosefromthespeakerboxswitch.Themessageshouldbe"device:hookSwitch."Liftthehandsetandtalkintoit.(Ifyouarenotgoodat"Test1,2,3",thentrypushingatouch-tonebutton.Itwillbealotlouder.)Youshouldnothearyourselfandthephoneshouldseem"dead."(Ifusingatouch-tonebutton,youmayhearaslightleakage,manifestedbyafainttone.)ClickSidetone.Thetelephoneshouldbecome"live."Trythisacoupleoftimes,endingwithSidetoneOFF.ClickthecrossbarbuttontoconnectTeleSettoTeleSet.Youshouldagainbeabletohearyourself,butlouderthanwithjustsidetone.Turnthecrossbarbuttonbackoff.ClickthecrossbarbuttontoconnectTeleSettoDTMF.Asyoupushandreleasetouch-tonebuttons,youshouldget"device:touchPad"messagesintheeventwindow.Thelasttwodigitsoftheeventindicatewhichbuttonhasbeenpushed.Thefollowingtableprovidesakey:vî"ïfåî&Åî,�wîHDïfårî ìï_/î€îÀîQî÷îÓî"úî&‰î+bî.åî0Ñ î7"î:çî@OîBˆ î ìï]ˆî �î8î˜îOî‹îýî!]î$lî'#î+;î01î2„î4=î;î ®ï[ îºî/îî¸îî"�î$ëî(:î)åî/gî0Žî6tî8*î;ÿî@tîB™îE îF·î ìïYeî —î±îjîî<î¦îhî Àî$jî'°î*î/Êî3î4¾î8~î:7î=î?nîD¥îF_î ìïW¾î _îÏî^î1îóîeî©î!kî#Þî'Cî)î+‚ î3‹î7<î<³î?%îD½îG0î ìïVî îîRîIî,îÇîhî—î!éî) î,|î1þî5mî:Œî>uîB îEJî ìïToî !î¤îRîíîLîëî#gî%Xî)9î*çî-Gî ®ïQôîÆî>îî¸îî$•î&öî*Hî+÷î1}î5iî8›î:Uî=pî?¯î@ÚîD�î ìïPMî ¤îÒîŒ îìî˜î#jî%Êî*tî1#î6\î8oî:lî?ƒîC›îF'îHeî ìïN¦î î‹îLî î ©î#Fî%Œî'„î*"î-Kî1Uî4ûî:\î;ŽîA³îF·î ìïLþî üî^îîìîéîîª î!mî$î&Eî(zî+ î3�î7–î8øî:žî<†î?) îEðî ìïKWî îCîî®îoîÍ î!Âî&Dî+»î.î0vî4Œî8üî=4î?’îEñîGžî ìïI°î Ïî~îÝî ®ïG5î îöî·îgî½îþî Fî$¢î&íî)�î-&î0þî5î7M î@G îG/î ìïE�î ÜîûîŸîø îÉîeî ±î%}î(dî-~î0Cî4úî7žî8÷ î@ÈîBcîD°î ìïCæî òî(îîjî Eî#jî'Mî*2î,éî.®î2Dî60î9æî,î@˜ î ìïB?î dîs î`îTîIî"î#çî&cî)Üî-wî2î3åî6bî;Xî=pî@³îEÚî ìï@— î\î³îŒîhî”î§î ¹î%Cî&ôî)Æî,€î.1î1!î2Óî4nî6Ñî:/î> îA( î ìï>ðî XîOî²îiîÕ uî ìï;¡îžîµrî ®ï8Rî«îîòîºî|î î!âî$[î)Ïî-ˆî1î2ôî5y î= îAÄîClîFHî ìï6«î&îÇîGîpîºî îpî"î$ î(àî*æî-Fî ®ï40îIî¥îîƒîªîHî!ïî#šî%ëî'Hî)¥î-î/î1tî6qî9$î<«î>®îAbîC’ î ®ï1µîîmî˜î�îàîÑî"yî%§î'ªî*Sî.Üî1xî4›î6žî8Sî<îCîD7î ìï0î�î?îîœî)îêî qî#î$ïî'wî*éî.bî3òî6òî<öîAšîD!î ìï.f î’îGî$îeî! î#Žî&óî-´î/kî1Èî6î8µî=‘îAÓîDîEüî ìï,¿îÇî—î î^îDî!eî"Òî$˜î' î-qî3¼î5£î:åî=[îA¡îEKî ìï+î ºî]îÒîDîþîµî"î&Cî)Öî.î0èî7‹î:î>rî ®ï(�î€îäîÑîî-î 5î# î%¿î*ƒî.¹ î6aî9cî<ÈîAVîDÅî ìï&õî+î}îHî`î0îL î'5î,î/@î2šî4ìî9Cî=-î>ÎîA îDýî ìï%Nî ßîëî†îªî¾î¨îî"bî'R î.×î3fî4âî7}î:9î>4îFiî ìï#§î šî úîÃîüî ®ï!,îNîîîîOîOîñî!: î(?î,*î0°î5î;î=Ãî@cîC³î ìï„î yî ·î˜îÜîfîãî)î!gî&Eî(Ûî-®î0eî5›î9õî;ÄîA î ®ï îNî—î˜î9îÙî›î  î"…î%&î'cî)Âî-î. î2>î3µî5+î7Rî:bîxîA÷îG”î ìï»î –î¿ î¦îpî'î +î#Eî$oî($î-e î4aî6\î7†î:Âî ®ï@îyîaîfî êî%“î*Öî0î2Üî5ªî7î; î=†îAµîFtî ìï˜î�î ®ïîCî™îçîPîôî#î'íî)’î/Pî2Vî6Èî:hîîqî‡îéîî¾îüî${î'6î*ƒî- î1,î3bî5Äî9¾î=­î@g îG/î ìïùî@ý îG“î ìï/.î DîÄîÃîîî–î î'Žî)åî,=î/½î1¼î4î9 î;ºî@/îCmîElî ìï-†î Íî�îÁîÓîÎîL î$àî&îî)_î.‡î3�î5§î8î<�îA‡îCîGžî ìï+ßî î#î‚îî î"�î ®ï)dî+î]îMî¦î ®ï&èîKî¢î—îEî![î& î'ºî*ôî,'î.Þî2î3Kî4ùî;î>ÊîA(îFiî ìï%Aî�îÑî¦î;îñî3î îöî#9î&Ôî+Xî.î1±î4.î6•î<€î@îB?îD7î ìï#šîâî™îÁîjî…îÀî ®ï!î+î]îMî¦î ®ï£îHî¤îøîfîî#$î&¾î(iî.î1Sî4 î9î<î?’îA<îBbîD¼î ìïûîî×î`îÌî¼îêî##î%*î'‰ î0î3„î4Úî ®ï€îSîºîîîÍî#ëî(8î)tî+*î0Ëî4qî8 î;%î? îB îE’îGî ìïÙî ¬îÝî­îxî¬î-îî"‹î%Bî'î)’î.àî0»î2î6¹î<î?ÒîBRîF€î ìï1îQîTî�î îqîî Qî%þî)î-Pî/®î0Á î7zîîîî#2î'¥î*^î-eî/mî1Îî6î7Kî8ûî>?îC�îG0î ìïÀî ?îî›î\î™îtîöî!ðî%-î(¬î-Jî/]î4`î8 î;Àî?IîB#îEJîGŸî ìïîDîî0î–î î"žî&î,î1ˆî4?î6Ÿî9ûî<ßî>˜îBÜî ®ï �îBî‘î~î#î!0î$Äî&iî*¤î+Ðî.}î2¹î3äî5‰î;”î?îB§îGTVm$£VoiceProjectNote7comeoutthespeaker.ClickSPModetoverifythatitcontrolsyourvoicecomingoutthespeaker.ClickO2I2ONandtrythisagain.LeaveO2I2ONandclearallcrossbarswitches.ThischeckstheA/DpartofCodec1andSPMode.ClickcrossbarbuttonstoconnectMiketoCodec2andCodec2toSpeaker.ClickO2I2onandofftoverifythatitcontrolsyourvoicecomingoutthespeaker.ThischeckstheA/DpartofCodec2andadifferentaspectofSPMode.Clearallcrossbarswitches,turnoffO2I2,andturnonSPMode.SetcrossbarswitchestoconnectTeleSettoCodec1andTelewalltoSpeaker.(RememberthatthereisalwaysaconnectionfromCodec1toTelewall.ClickOHandAtopickuptheoutsidephoneline.Youshouldhearadialtoneinthespeaker.ClickDoDialtodialthenumberofthenearbyphoneenteredpreviously.Theotherphoneshouldring.Answerit.YourvoiceintheotherphoneshouldcomeoutthespeakerandyourvoiceintheLarkphoneshouldcomeouttheotherphone.Holddownatouch-tonebuttononthelarkphoneandadjustthehybridtrimpotforminimumtoneloudnessinthespeaker.Thehybridtrimpotisontheanalogboardroughlyinthecenter.HangupbothphonesandclickOHandAtohanguptheoutsideline.ClearallcrossbarswitchesandturnoffSPMode.ClickcrossbarbuttonstoconnectMiketoCodec1andCodec1tospeaker.ClickRX1andTX1ON.Yourvoiceshouldcomeoutthespeakerwithaslightdelay.ThisteststheEthernetandDESchip.Clearthebuttons.andrepeatthetestusingCodec2andRX2andTX2.DigitalBoardCheckoutThepurposeofthissectionistoseewhethersomeotherpartsoftheEtherphonework.PlugtheDLSlineintotheTTYAconnecterontheLarkconnectorbox.BesurethattheDLSlineisrunningat1200baud.TypeintoChatandseethatthesamecharactersappearintheNewLarkupperTTYviewer.TypeintotheNewLarkupperTTYviewerandseethatthesamecharactersappearintheChatviewer.TrythesamethingwiththeTTYBconnectorandtheNewLarklowerTTYviewer.CheckListThissectionrepeatstheinstructionswithoutexplanation.SetupLarkControl:OpentheLarkControlviewer.ClickManual.Adjustpowersupplythevoltagesfor+5,and+-12.Checkchiporientation.ChecktheSIPorientation.Checkbypasscapacitorpolarity.ConfiguretheLarkDIPswitches:K1:1Closed,2Open,3Closed,4Closed,5Open,6Open,7Closed,8ClosedF10:1Open,2Closed,3Closed,4Open,5Open,6Closed,7Open,8OpenAdjustthethreeanalogtrimpotsformidrange.vî"ïfåî&Åî,�wîHDïfårî ìï_/î ŠîóîGî î�î!,î"Îî&®î)pî*»î/æî3î6�î;pî=Ùî@-îEðî ìï]ˆî bîîÅîæî€î÷îýî#rî&&î(Öî,!î. î3Zî9Œî<Ÿî@þîCVîF«î ìï[àî ¥îêîîÖî ®ïYeîDî“î�î'î!6î$Ëî&qî*®î+Úî.‰î2Åî3òî5˜î;¥î?;îB°îD®îG]î ìïW½î žî�î_î¸îóî2îÉî$«î'$î)‡î/iî2‡î6ñî9Tî<³î?›îAWîEŸîFØî ìïVî î»îàî˜î ®ïSšîrîrîÛî§î ¼î"þî&äî)«î,Àî.×î5mî7Ýî=EîB¹îDxî ìïQóîàîŽîÑîî»î>îëî&î-œî0iî3òî5]î9Àî:é îAäîEJî ìïPLî +î äîWîîÂî„îîÓî"âî$ÿî'iî,<î0€î3™î6²î;8î>]î?‘îBRîEwîG/î ìïN¤îÝî†îðî îÃî„îïî%&î&êî)Tî-ðî24î74 î>ÈîA«îEUî ìïLýîhî&î%îVîéî |î"*î$Šî()î,bî0Þî4‡î6ýî9\î>[îAîDMîGáî ìïKVî KîœîÖîRîüîqî Ðî$oî ®ïHÚî.îïî îìî Tî"Qî$§î'jî+šî.Hî2Lî4¢î9 î=õî@)îFtî ìïG3î‘î?îŸîzîRî Ãî%¹î'$î)+î+Šî/ïî3æî8üî:ªî= î ®ïD·înî€î½î{î2î nî#%î%Ýî'iî)î,î.‘î0ñî5ºî ®ïB;îbîRîªîîÅî"Êî$üî ®ï?ÀîYî¿îÂî}î!¡î%Mî'î+Zî,œî/aî3²î4ôî6°î<¦î@QîC¥îFjî ìï>î ¾înî î¹î�î î"‘î'®î*çî,.î0î4Âî7ùî;'î=¤îChîF=î ìï®î ®ï3VîØî1î}î.îîYî!·î'ñî)ñî,Kî/•î5æî9lî;xî>kîA3îCŒîFØî ìï1¯î MîzîîCî‰îîÔî#'î%Ôî(î*áî-6î0¨ î7 î;‡î=+î?€îEŒî ìï0î Cî{îîÔî/î!Bî%Aî(˜î,øî/¬î1ûî4Åî7!î:š îAîE…îG/î ìï.`î IîŠî*î‰îî›î!¶î$î(Xî.®î1fî3Åî9Üî=¦îAuî ìï+rî ®ï'ÁîÈîdîîw î"Öî'â î ®ï%Eî î î ®ï"ÉîxîØ îºî ®ï NîLî ®ïÒîîLî½îî!^î#›î%€î' î)Åî,#î ®ïVîòî î ®ïÛîòîRîó î ®ï_îòîcî@î ®ïãî/î�îßîÙî ®ïhîî5îîSîvî«î!”î"Éî'²î(çî- î.?î2bî3–î8€î9´î ®ïìîóî(îKî€îiîžî!‡î"¼î&ßî(î,7î-kî2Uî3‰î7¬î8áî ®ï pîî~îîlî åî#"ÿ8TVm$þVoiceProjectNote8Connectcables:power,Ethernet,Telephone,Speakerbox,Microphone.LineInA<->LineOutA,LineInB<->LineOutB.connecterbox,DLS<->TTYA.Left-ClickModeforthegivenEtherphonetogetGrapevinedatabaseentry.TurnontheLarkpowerswitch.Right-clickStatustoseea"PowerOnBoot"messagePushthephysicalResetbuttontoseea"WatchdogTimerBoot"messagePushthephysicalNMIbuttontoseean"NMI"messageLeft-ClickResettoattracttheEtherphone'sattentionMiddle-ClickResettocheckthewatchdogtimerMiddle-ClickDebugtocheckthemainEPROMRight-clickDebugtochecktheslaveEPROMLeft-ShiftClickLoadtoloadtheEtherphoneprogram.NewLarkviewershouldappear.ClickLEDafewtimestochecktheLEDFlipspeakerboxswitchtogetspeakerSwitchmessagesToggleOH,A,Revert,andHStohearrelayclicksOH,A,Revert,andHSOFFPlugintheoutsidephonelineLiftandreturnthehandsettogethookSwitchmessagesLiftthehandsetandtalk--shouldbedeadToggleSidetonetocheckifhandsetcomesaliveSidetoneOFF,TeleSet->TeleSettocheckifhandsettalkstoitselfTeleSet->DTMFtotestfortouchPadmessagesClickRevertandHSON,placeandreceiveacallClickRevertandHSOFF,ClearcrossbarTeleset->Speakertotest"PAsystem"ToggleRingEnabletocheckseparatevolumecontrols.Clearcrossbar,RingEnableOFF,Teleset->Line1,Line1->SpeakertotestLine1Clearcrossbar,Teleset->Line2,Line2->SpeakertotestLine2Clearcrossbar,Mike->Speakertotest"PAsystem"Clearcrossbar,Codec1->Speaker,TS12ON,O2I2OFF,ClickDial,fillinphonenumberClickDoDialtoheartonesO2I2ON,clickDoDialtohearonlyonetoneClearcrossbar,Codec2->Speaker,clickDoDialtohearothertone,O2I2OFFClearcrossbar,Mike->Codec1,Codec1->Speaker,ToggleSPModetohearvoiceornotO2I2ON,ToggleSPModetohearvoiceornotvî"ïfåî&Åî,�wîHDïfårî ®ï_/î=îåî�î!• î(Òî.*î1O î:$î=uî?Zî@üîCpîFÁî ìï]ˆî Ñî îÛîGî¥îàî­îõî#5î&Eî)–î+õî ®ï[ î:î<îyîÙî� î'î(¼î+î1Éî7dî ®ïX‘î+î1î‘îâîî ®ïV îµîÎî}îÐîúî!ãî$Aî(Cî ®ïSšîîuîÃîŽî î!®î$î%+î,iî0Œî4�î ®ïQîîuîÃîDîµî!dî#·î%¨î*Šî ®ïN£ î:îî´îïîN î'«î ®ïL( îîàîŽîpî Ðî$Èî'î ®ïI¬ îîœîJî,î!Œî% î ®ïG1 îµî<îêîÌî ,î#“î ®ïDµ îùî˜î+îÚîéî!H î(Éî/3î2}î5Îî:3î>¯î ®ïB:îLî¾îèî‰î2îáî Ãî#"î ®ï?¾î¦î¦î]î—îEîŽ î(†î ®ï=Cî>îNî3îî¾î )î!×î$òî(Yî ®ï:Èî½î¢îvî-î˜î ®ï8LîÞîŒîëîµîîî ®ï5ÑîeîîKîªîÁîoî!¸ î).î ®ï3UîeîÄîÛî’îÍîDî"Àî$±î ®ï0Úî>îïî�îîàî"÷î'%î ®ï.^î_îîîÀî!µî#dî'Eî(¦î-½î0øî2§î ®ï+ãî¢îQîîÇîSî�î$¥î ®ï)hîLîÈîîêîýî ‘î#Hî'ïî)î ®ï&ìîLîÈîîêî©î!]î ®ï$qî`îîPîþîŠî˜î ®ï!õî> îÈîwîYî#±î(šî ®ïzîbî îœî![î&î'¼î*÷î,ƒî/¾î0óî2¡î7ãî9’î<î?Xî ®ïþîbîîÄîrî­î!:î$uî%ªî'Xî,šî.Hî0Ôî4î ®ïƒîbîî°î^î  î"Oî$Úî'éî ®ïîbîîWî‹î9î"Ôî&gî)zî,÷î0¶î4Tî7»î9âî;�î?Êî ®ïŒîLî«îºîhîƒî ®ïî*î=îyîØîçî•î °î#Éî&uî ®ï•îbîîWî‹î9î"Ôî&î(nî+}î-,î0Fî3åî7Xî:Õî ®ïîbîî°î^î£î!0î%tî&©î(Wî-ñî2‚î8î9Êî<åî@xîB<î ®ï žî*î=îÎîhîî"1î%Äî'ˆ;TVm$ÿVoiceProjectNote9Clearcrossbar,Mike->Codec2,Codec2->Speaker,ToggleSPModetohearvoiceornotClearcrossbar,O2I2OFF,SPModeON,TeleSet->Codec1,Telewall->SpeakerOHandAONtogetdialtoneClickDoDialtoplacecall(answerit).TesttalkinginbothdirectionsHoldtouch-toneandadjusthybridtrimpotforminimumHangupbothphones,OHandAOFF,ClearcrossbarandSPModeOFFO2I2OFF,Mike->Codec1,Codec1->speaker,TX1,RX1ONtotalkwithdelayO2I2ONtotalkwithdelayClearcrossbar,TX1,RX1OFFMike->Codec2,Codec2->speaker,TX2,RX2ONtotalkwithdelayClearcrossbar,TX1,RX1OFFDLS->TTYAtotypetoandfromupperTTYwindowDLS->TTYBtotypetoandfromlowerTTYwindowvî"ïfåî&Åî,�wîHDïfårî ®ï_/îbîî°î^î£î!0î%tî&©î(Wî-ñî2‚î8î9Êî<åî@xîB<î ®ï\´îbîî�îNî"èî%ûî*ðî,žî0âî2oî7òî9 î ®ïZ9îeîî©îdîî[îî ®ïW¾îLî«î>îíî�î î#!î%Ìî(Ñî-bî/î2L î ®ïUCî7 îîÕîãî"Tî'Iî)‡î ®ïRÈînî€î½îÓîŠî Bî!Îî%�î)Aî.šî1Qî6ëî ®ïPMî*îéî‡î5îzîî#Kî$€î&.î+†î/î2Jî5î6²î9iî<„î ®ïMÒî*îåî“îJîeî ®ïKWîbîî�îÖî ®ïHÜîLîúî>îËîîDîòî$Jî'Çî+î-Èî/wî2.î5Iî ®ïFaîbîî�îÖî ®ïCæîÿî­îî¿îÏî~î5î"œî&Ÿî)úî ®ïAkîÿî­îðîŸî®î]îî"{î&Eî)¡NTVm$Hÿ TIMESROMANþŸÿ HELVETICAþŸÿ TIMESROMANþYÿ TIMESROMANþŸÿ HELVETICAþæÿLOGOü´ÿ TIMESROMANþŸÿLAURELþŸÿ TIMESROMANþæ« f ûµ- 9 B åKâR�Uj/X V›»YÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿLarkCheckout.tioga17-Oct-83 19:55:01