audioscan RM500SL User manual

RM500SLREAL-EARHEARINGAIDANALYZER
USER’SGUIDE
Version 2.8
November2006

0611 RM500SLUser’sGuide Version 2.8Page 2
TableofContents
1AboutRM500SL.................................................................................................................6
1.1 Section overview......................................................................................................................6
1.2 Newinthissoftwarerelease.....................................................................................................7
1.3 Electronicuser’sguide.............................................................................................................7
1.4 Warranty,Trademarks,Acknowledgements..............................................................................8
1.5 Noticesforthe European Community.......................................................................................9
1.6 Declaration ofEMCcomplianceforthe European Community..................................................9
2Getting Started.................................................................................................................10
2.1 Section overview....................................................................................................................10
2.2 Unpacking and connecting.....................................................................................................10
2.3 Microphone connection..........................................................................................................11
2.4 Microphone care....................................................................................................................12
2.5 Battery pilluseand care.........................................................................................................12
2.6 Mouse, keyboard, barcode scanner........................................................................................13
2.7 External printer, auxiliaryaudiooutputs..................................................................................14
3GeneralOperation...........................................................................................................14
3.1 Section overview....................................................................................................................14
3.2 Input deviceoperation............................................................................................................15
3.3 Barcode datainput.................................................................................................................16
3.4 Keypad keys..........................................................................................................................17
3.5 Menus, listsand buttons.........................................................................................................18
3.6 Screen messages..................................................................................................................19
3.7 Programmemoryremoval and replacement...........................................................................19
3.8 Softwareupdating..................................................................................................................20
4GeneralSetup..................................................................................................................20
4.1 Section overview....................................................................................................................20
4.2 Dateand timesetup...............................................................................................................20
4.3 Displaysettings......................................................................................................................21
4.4 Saving test setup...................................................................................................................21
5Networking.......................................................................................................................22
5.1 Section overview....................................................................................................................22
5.2 Networking requirements........................................................................................................22
5.3 Networking setup...................................................................................................................23
5.4 Singlecomputerconnection...................................................................................................24
6Printing and Storing Results...........................................................................................25
6.1 Section overview....................................................................................................................25
6.2 Internalprinterpaperloading..................................................................................................26
6.3 Barcodes, headersand commentson printouts......................................................................27
6.4 Localprintersetup..................................................................................................................27
6.5 Printing toaUSBmemorystick..............................................................................................28
6.6 Network printersetup.............................................................................................................29

0611 RM500SLUser’sGuide Version 2.8Page 3
6.7
Printing toanetwork file
................................
................................
................................
.........
30
6.8 Datastorage toanetwork file.................................................................................................30
7Hearing InstrumentTestsSetup.....................................................................................31
7.1 Section overview....................................................................................................................31
7.2 HIT AorBdisplay..................................................................................................................31
7.3 Graph ortableformat.............................................................................................................31
7.4 Output orgainscale...............................................................................................................31
7.5 Hide orShowHITcurves........................................................................................................32
7.6 1996 or2003 ANSI standard..................................................................................................32
7.7 ANSItestfrequencies.............................................................................................................32
7.8 HIT calibration facts...............................................................................................................33
7.9 Calibration of HIT referencemicrophone................................................................................34
7.10 Calibration checkforcouplermicrophone...............................................................................35
7.11 Coupling the hearing instrument.............................................................................................36
7.12 Positioning the hearinginstrument..........................................................................................37
8ANSIS3.22 Hearing AidTests.........................................................................................38
8.1 Section overview....................................................................................................................38
8.2 ANSI S3.22-1996 facts...........................................................................................................38
8.3 ANSI S3.22-2003 facts...........................................................................................................39
8.4 ANSI 1996 Linearand AGCtests...........................................................................................39
8.5 ANSI 2003 Linearand AGCtests...........................................................................................40
8.6 ANSItest results....................................................................................................................41
8.7 ANSIinput-outputcurves........................................................................................................42
8.8 ANSItelecoilterminology.......................................................................................................43
8.9 ANSItelephone simulator(TMFS) test...................................................................................44
8.10 Telecoiltest results................................................................................................................45
9OtherHearing InstrumentTests.....................................................................................46
9.1 Section overview....................................................................................................................46
9.2 Harmonicdistortion................................................................................................................46
9.3 Multicurveprocedure..............................................................................................................47
9.4 Multicurveresults...................................................................................................................47
9.5 Spectral analysisinMulticurve...............................................................................................48
9.6 Battery draintest....................................................................................................................48
9.7 Manualcontrolprocedure.......................................................................................................49
9.8 Sound level meterusing manualcontrol.................................................................................49
10 Real-EarMeasurementSetup......................................................................................50
10.1 Section overview....................................................................................................................50
10.2 REM calibration facts.............................................................................................................50
10.3 Calibration of REMprobe microphone....................................................................................51
10.4 Calibration checkforprobe module........................................................................................52
10.5 MaxTMSPLsetup.................................................................................................................53
10.6 ABRnHL toeHL setup...........................................................................................................53

0611 RM500SLUser’sGuide Version 2.8Page 4
10.7
Positioning the client
................................
................................
................................
..............
54
10.8 Positioning the probe tube......................................................................................................54
11 REMScreenSetup.......................................................................................................55
11.1 Section overview....................................................................................................................55
11.2 REM right orleft eardisplay...................................................................................................55
11.3 Graph, tableor2cc targetformat............................................................................................55
11.4 SPLorHL scale.....................................................................................................................56
11.5 Hide orshowREM curves......................................................................................................56
12 REMManualControl....................................................................................................56
12.1 Section overview....................................................................................................................56
12.2 Manualcontrolmeasurements...............................................................................................57
12.3 Sound level meterusing REM probe......................................................................................57
13 SensoryLoss Simulator..............................................................................................58
13.1 Sensory loss simulatordescription.........................................................................................58
13.2 Sensory loss simulatoroperation............................................................................................58
14 Occlusion EffectTest...................................................................................................59
14.1 Occlussion effectmeasurement..............................................................................................59
15 RECD (real-eartocouplerdifference).........................................................................60
15.1 Section overview....................................................................................................................60
15.2 RECD facts............................................................................................................................60
15.3 RECD couplerresponse.........................................................................................................61
15.4 RECD real-earresponse........................................................................................................62
15.5 RECD results.........................................................................................................................63
16 Insertion Gain...............................................................................................................64
16.1 Section overview....................................................................................................................64
16.2 Insertion gaininSPL..............................................................................................................64
16.3 Insertion gaininHL................................................................................................................65
16.4 Audiometricdataentry...........................................................................................................66
16.5 REUR measurement procedure..............................................................................................67
16.6 REARmeasurement procedure..............................................................................................68
16.7 SII calculation inInsertion gain...............................................................................................69
17 Speechmap®...............................................................................................................70
17.1 Section overview....................................................................................................................70
17.2 Speechmap facts...................................................................................................................70
17.3 DSL5.0inSpeechmap..........................................................................................................71
17.4 DSL5.0changes...................................................................................................................72
17.5 NAL-NL1 inSpeechmap.........................................................................................................72
17.6 Using Speechmap..................................................................................................................73
17.7 Screen tour–unaided screen.................................................................................................74
17.8 Screen tour-aided screen.....................................................................................................74
17.9 REM orS-REM mode.............................................................................................................75
17.10 SII calculation inSpeechmap.................................................................................................76

0611 RM500SLUser’sGuide Version 2.8Page 5
18
SpeechmapFitting Procedures
................................
................................
...................
7
7
18.1 Section overview....................................................................................................................77
18.2 Assessment dataentry...........................................................................................................77
18.3 Assessment datachoices-1..................................................................................................78
18.4 Assessment datachoices-2..................................................................................................79
18.5 Fitting totargetsforsoftspeech.............................................................................................80
18.6 Fitting totargetsforloud sounds.............................................................................................81
18.7 Fitting totargetsformid-levelspeech.....................................................................................82
18.8 Open fittingsinSpeechmap...................................................................................................82
18.9 FMfitting and verification........................................................................................................83
19 SpeechmapTechnicalDetails.....................................................................................84
19.1 Section overview....................................................................................................................84
19.2 Speechmap stimuli.................................................................................................................84
19.3 Stimuluslevels.......................................................................................................................85
19.4 Microphone locationeffects....................................................................................................86
19.5 Speechsignalanalysis...........................................................................................................87
20 Troubleshooting...........................................................................................................88
20.1 Section overview....................................................................................................................88
20.2 Self testfailures.....................................................................................................................88
20.3 HIT high distortion ornoise.....................................................................................................89
20.4 HIT curvesinconsistent..........................................................................................................89
20.5 HIT curvesdifferfromspecifications.......................................................................................90
20.6 HIT speakeroverdriven..........................................................................................................90
20.7 No HIT referencemic. detected..............................................................................................90
20.8 InvalidHIT calibration.............................................................................................................91
20.9 No REM ref. mic. detected.....................................................................................................91
20.10 InvalidREMcalibration...........................................................................................................91
20.11 REM speakeroverdriven........................................................................................................92
20.12 Barcode scannermalfunction.................................................................................................92
21 TechnicalSpecifications.............................................................................................93
22 Glossary........................................................................................................................94
23 References....................................................................................................................98
24 Appendix1:AudioNote2.1VERIFITandRM500SLTestSignalsand Analysis.....101

0611 RM500SLUser’sGuide Version 2.8Page 6
TheAudioscan
®
RM500SL
User’sGuideVersion
2
.
8
1 AboutRM500SL
1.1 Section overview
FastFacts1.1:RM500SLHelptopics
Thissectionprovidesalistingoffeatures
newinthissoftwarerelease
,
instructionsfor accessing theelectronicUser’sGuide, contact, warranty and
trademarkinformation, and notices forthe EuropeanCommunity.
Helpisavailableon thefollowing topicsbypressing <Help>
2: GettingStarted 12:REMManualControl
3: GeneralOperation 13:SensoryLoss Simulator
4: GeneralSetup 14:OcclusionEffectTest
5: Networking 15:RECD (real-eartocouplerdifference)
6: PrintingandStoringResults 16:InsertionGain
7: HearingInstrumentTestsSetup 17:Speechmap®
8: ANSIS3.22HearingAidTests 18:SpeechmapFittingProcedures
9: OtherHearing Instrument Tests 19:SpeechmapTechnicalDetails
10:Real-EarMeasurementSetup 20:Troubleshooting
11:REMScreenSetup
Inadditionyouwill findaglossary, referencesandmoreinformationinthe
electronicuser’sguide ontheAudioscan softwareCD.

0611 RM500SLUser’sGuide Version 2.8Page 7
1.2 Newinthissoftwarerelease
FastFacts1.2:Newinthissoftwarerelease
1.3 Electronicuser’sguide
FastFacts1.3:Electronicusersguide
Software2.8
intro
duces
thefollowing significant
additionsand changes
:
1) A Sensory Loss Simulator (SLS)whichprovidesanaccuratesimulationof
cochlearhearing loss forparents,teachersandotherstoexperience.
2)DSL®5, whichprovidestargetsforadults,allowancesforABRandbone
conductionthresholdsandspeechtargetsforthestimuluslevelselected. (Note
thattargetsdo notappearuntil anREARtesthasbeenstarted.)
3)OpenFitting protocolinSpeechmapwhichcan beusedtofit instrumentswith
large ventsoropenearmolds.
4) A new calibrated speechpassage toaugmentthe“carrots”passage.
5) Screenimagesand test datamaybesavedtofilesona USBmemorystick.
6) Support for PostScript printers, including colorlaserprinters.
7)Realtimermslevels forbroadbandsignalslikespeechandpinknoise.
8) The Scroll wheel on amousemaybeusedtotraverselonglistsandHelp.
9)RECD measurements arenowless sensitivetoambientnoise.
10)MPO toneburstshavebeenlengthenedto128msforbettercorrelation with
loudnessperception.
11)Input-Output screensnowhaveacursorreadout.Left click onanygraph.
12)Newcalibration &equalization signalsimproveaccuracy andnoiserejection.
13)Speechlevel nowgoesdownto50dBSPL.
14)Hatching legends andcurvenumbersareshownonprintoutsforbetter
identificationonblack andwhiteprintouts.
Pleaseconsult therelevant sectionofthisUser’sGuideorHelpformoredetails.
Aprintableuser’sguide isonthe AudioscanCD-ROMsuppliedwithanew
instrumentormailedasasoftwareupdate.A.pdffileviewer, suchasAcrobat
Reader(5.0orhigher) orFoxit ReaderisrequiredtoviewtheUser’sGuide. Foxit
ReaderissuppliedontheCD-ROM.
1) Insert theCD-ROMintotheCD driveon yourcomputer.
2) Select MyComputer,then theCD driveandthe User’sGuide folder.
3) Toinstall Foxit Reader, copyFoxitReader.exetoanappropriatelocationon
yourPC. TorunFoxitReader.exedoubleclick it.
4) ToviewtheUser’sGuide,double-click the RM500SLUsersGuide.pdffile.
TheUser’sGuidemayalsobedownloadedfrom www.audioscan.com.

0611 RM500SLUser’sGuide Version 2.8Page 8
1.4 Warranty,Trademarks, Acknowledgements
FastFacts1.4:Warranty, trademarks, acknowledgements
The
AudioscanRM500SL
ismanufacturedbyEtymonicDesignInc.,
41 ByronAve.,Dorchester, Ontario, CanadaN0L 1G0.
Phone: [phone](USAonly); 519-268-3313Fax: [phone]
www.audioscan.com Email: [e-mail] or [e-mail]
Warranty: TheRM500SLiswarrantedagainstdefectsfortwoyearsfromdateof
purchase.Withinthisperiod, it will be repaired without chargeforparts,laboror
returnshippingwhenreturned prepaidtoyourauthorizedAudioscanservice
agent. Thiswarrantydoesnotapplytobatterysubstitutes(pills), whichcarry
a90daywarranty,ortoequipment that, inoursolejudgement, hasbeensubject
tomisuse,orunauthorizedalterationorrepair.
Trademarks: Audioscan,Verifit, SpeechmapandQuikscanareregistered
trademarks ofEtymonicDesignInc. DSLisaregisteredtrademarkof The
UniversityofWesternOntario. HPLASERJETisaregisteredtrademarkof
Hewlett-PackardCompany. IBMisaregisteredtrademarkof International
Business MachinesCorporation.K-AMPisaregisteredtrademarkof Etymotic
ResearchInc.KEMARisaregistered trademarkof KnowlesElectronicsInc.
QUESTisatrademarkofQuest TechnologiesInc.PostScriptisaregistered
trademarkof AdobeSystems,Inc.
Acknowledgements: Inaddition tothecontributionsof ourentirestaff,we
acknowledgethe supportreceivedfrompastandpresentstaff at theNational
CentreforAudiologyattheUniversityofWesternOntarioinimplementing theDSL
method.DSL5.0isused underlicensefromthe UniversityofWesternOntario
(UWO).WeareindebtedtotheUniversityof MemphisHearingAidResearch
Laboratoryforpermissiontousesomeoftheirrecordedspeechmaterial.

0611 RM500SLUser’sGuide Version 2.8Page 9
1.5 NoticesfortheEuropeanCommunity
FastFacts1.5:NoticesfortheEuropeanCommunity
1.6 Declaration ofEMCcompliance fortheEuropeanCommunity
FastFacts1.6:Declaration ofEMCcompliance fortheEuropeanCommunity
The complianceslistedinthe followingtablearemet withtheAudioscan SL-100
RECD transducerconnected. Theuseof otheraccessoriesmayresultin
increasedemissions.
Guidance and manufacturer’sdeclaration -electromagneticemissions
The RM500SLisintended foruseintheelectromagneticenvironment specified
below. TheuseroftheRM500SLshouldassurethat it isused insuchan
environment.
Emissionstest Compliance Electromagneticenvironment -guidance
RFemissions
CISPR11 Group1
The RM500SLusesRFenergyonlyforits
internalfunction. Therefore, itsRFemissions
areverylowandnotlikelytocauseany
interferenceinnearbyelectronicequipment.
RFemissions
CISPR11 Class A
Harmonicemissions
IEC61000-3-2 Class A
Voltagefluctuations/
flickeremissions
IEC61000-3-3 Complies
The RM500SLissuitableforuseinall
establishmentsotherthandomesticandthose
directlyconnectedtothepubliclow-voltage
powersupplynetworkthat suppliesbuildings
usedfordomesticpurposes.
AuthorisedAudioscan represe
ntativewithintheEuropeanCommunity:
PCWerthLtd.,AudiologyHouse, 45NightingaleLane,London SW128SPUK
Phone: [phone] www.pcwerth.co.uk
ElectromagneticCompatability(EMC)
MedicalelectricalequipmentneedsspecialprecautionsregardingEMCandneeds
tobe installed and put intoserviceaccordingtothefollowinginformation:
vThe RM500SLshouldnotbeusedadjacent toorstackedonotherequipment.
Ifthisisnecessary,itsoperationshouldbeverifiedasnormalinthis
configuration.
vPortableand mobileRFcommunicationsequipment can affectmedical
electricalequipmentandmayaffecttheperformanceof the RM500SL.
vThe RM500SLhasnotbeentested forimmunitytoelectromagnetic
disturbances.Performancedegradationduetosuchdisturbances(including
electrostaticdischarge)isconsidered normaland acceptable.

0611 RM500SLUser’sGuide Version 2.8Page 10
2 GettingStarted
2.1 Section overview
FastFacts2.1:Getting started
2.2 Unpacking and connecting
FastFacts2.2:Unpacking and connecting
ThissectionprovideshelponunpackingtheRM500SLandconnectingvarious
componentsand accessories. Notethat batterypills (SL-110), the RECD
transducer (SL-100),the barcodescanner (VA-120)and a microphone
extension cable (VA-130)areaccessoriesforthe RM500SLandmustbeordered
separately.
Thefollowing topicsarecoveredinthissection:
2.2: Unpackingand connecting
2.3: Microphoneconnection
2.4: Microphonecare
2.5: Batterypill useand care
2.6: Mouse, keyboard, barcodescanner
2.7: Externalprinter,auxiliaryaudiooutputs
1)
Carefullyunpack theRM500SLandcheck thecontentsof theshippingbox
againsttheenclosedpackinglist.Notethat somepartsmaybe packedinside
thetest chamber.
2) Unwrap thepowercordfromitsstowagehooks -notingcarefullyhowithas
been packed. Toavoidseriousdamagetothedisplayscreen,always
repack thecordthisway.
3) Connectthepowercordtothe socketnext tothe powerswitchontheright side
oftheunit. Plugthe otherendintoa grounded 100–240 voltpoweroutlet.