HP RM500SL manual FastFacts 16.6 Rear measurement procedure

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16.6 REAR measurement procedure

1)Press <Tests>, then highlight and <PICK> [Insertion gain] from the REM list

2)Referring to 10: Real-Ear Measurement Setup and 11: REM Screen Setup, prepare the system, position the patient and insert the probe tube. (For tight- fitting hearing aids or earmolds, the probe tube may be inserted through a vent.)

3)Without disturbing the probe tube, insert the hearing instrument or earmold.

4)Referring to 16.4: Audiometric data entry, enter threshold data.

5)Highlight and <PICK> button 1, 2, or 3 in the REAR/REIG column. This will present a signal from the REM speaker and display the REAR Setup box.

6)Highlight and <PICK> [Stimulus], then highlight and <PICK> [Pink noise] or [Swept]. Use pink noise when using the NAL-NL1 fitting formula. Use Swept when testing maximum output capabilities.

7)Highlight and <PICK> [Level], then highlight and <PICK> a stimulus level from the list box. Use the level shown on the target REIG curves. If no level is shown, use the lowest level required to overcome background noise.

8)Adjust the hearing instrument so that the REIG curve (SPL scale) or Aided threshold curve (HL scale) approximates the dotted target curve. For multi-level targets, match each curve using the stimulus level indicated.

9)Press <Continue> to complete the test and capture the data.

See 16.2: Insertion gain in SPL and 16.3: Insertion gain in HL for an explanation of screen curves. See 16.7:SII calculation in Insertion gain

NOTE: Because it is analyzed in 1/3 octave bands, the Noise stimulus produces a REAR up to 12 dB below that produced by the Swept stimulus at the same overall level. The REIGs will be similar except at levels which cause non-linear operation of the hearing instrument.

FastFacts 16.6: REAR measurement procedure

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RM500SL User’s Guide Version 2.8

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Contents USER’S Guide Table of Contents General SetupGetting Started General OperationOther Hearing Instrument Tests Hearing Instrument Tests SetupAnsi S3.22 Hearing Aid Tests REM Manual Control Speechmap Technical Details Speechmap Fitting ProceduresTroubleshooting Help is available on the following topics by pressing Help About RM500SLSection overview FastFacts 1.3 Electronic users guide Warranty, Trademarks, Acknowledgements FastFacts 1.4 Warranty, trademarks, acknowledgementsElectromagnetic Compatability EMC CisprFastFacts 2.1 Getting started Unpacking and connecting FastFacts 2.2 Unpacking and connectingGetting Started Following topics are covered in this sectionMicrophone connection FastFacts 2.3 Microphone connectionFastFacts 2.4 Microphone care Battery pill use and care FastFacts 2.5 Battery pill use and careMicrophone care Coupler microphone Probe microphoneMouse, keyboard, barcode scanner FastFacts 2.6 Mouse, keyboard, barcode scannerGeneral Operation External printer, auxiliary audio outputsFastFacts 2.7 External printer, auxiliary audio outputs Section overview This section covers the following topicsFastFacts 3.2 Input device operation Input device operationFunction Keypad Barcode data input FastFacts 3.3 Barcode data inputKeypad keys Function Button FastFacts 3.4 Keypad keysMenus, lists and buttons Setup Box List Box FastFacts 3.5 Menus, lists and buttonsFastFacts 3.7 Program memory removal and replacement Screen messagesGeneral Setup FastFacts 4.1 General setup Date and time setupFastFacts 4.2 Date and time setup Software updatingFastFacts 4.4 Saving test setup Display settingsFastFacts 4.3 Display settings Saving test setup FastFacts 5.2 Networking requirements NetworkingFastFacts 5.1 Networking Networking requirements Networking setup FastFacts 5.3 Networking setupFastFacts 5.4 Single computer connection Single computer connectionOn the RM500SL, see Printing and Storing Results FastFacts 6.1 Printing and storing resultsFastFacts 6.2 Internal printer paper loading Internal printer paper loadingTo load a new roll of paper FastFacts 6.4 Local printer setup Barcodes, headers and comments on printoutsPrinting to a USB memory stick FastFacts 6.5 Printing to a USB memory stickNetwork printer setup FastFacts 6.6 Network printer setupPrinting to a network file FastFacts 6.8 Data storage to a network fileHearing Instrument Tests Setup FastFacts 7.2 HIT a or B display Graph or table formatFastFacts 7.3 Graph or table format Output or gain scale FastFacts 7.4 Output or gain scaleFastFacts 7.7 Ansi test frequencies Hide or Show HIT curvesTo change the averaging frequencies HIT calibration facts FastFacts 7.8 HIT calibration factsFastFacts 7.9 Calibration of HIT reference microphone Calibration check for coupler microphone FastFacts 7.10 Calibration check for coupler microphoneCoupling the hearing instrument Positioning the hearing instrument FastFacts 7.12 Positioning the hearing instrumentAnsi S3.22 Hearing Aid Tests FastFacts 8.2 Ansi S3.22-1996 factsFastFacts 8.4 Ansi 1996 Linear and AGC tests Ansi S3.22-2003 factsTurn the instrument on Ansi 2003 Linear and AGC tests FastFacts 8.5 Ansi 2003 Linear and AGC testsAnsi test results FastFacts 8.6 Ansi test resultsAnsi input-output curves FastFacts 8.7 Ansi input-output curvesAnsi telecoil terminology FastFacts 8.8 Ansi telecoil terminologyAnsi telephone simulator Tmfs test FastFacts 8.9 Ansi telephone simulator Tmfs testTelecoil test results FastFacts 8.10 Telecoil test resultsFastFacts 9.2 Harmonic distortion Other Hearing Instrument TestsTurn the hearing instrument on FastFacts 9.4 Multicurve results Multicurve procedureFastFacts 9.3 Multicurve procedure Multicurve results FastFacts 9.6 Battery drain test Spectral analysis in MulticurveManual control procedure FastFacts 9.8 Sound level meter using manual controlReal-Ear Measurement Setup FastFacts 10.2 REM calibration factsCalibration of REM probe microphone FastFacts 10.3 Calibration of REM probe microphoneCalibration check for probe module FastFacts 10.6 ABR nHL to eHL setup Max TM SPL setupFastFacts 10.5 Max TM SPL setup 10.6 ABR nHL to eHL setup Positioning the client FastFacts 10.8 Positioning the probe tubeREM Screen Setup FastFacts 11.3 Graph, table or 2cc target formatREM Manual Control SPL or HL scaleFastFacts 11.4 SPL or HL scale Hide or show REM curves FastFacts 11.5 Hide or show REM curvesFastFacts 12.3 Sound level meter using REM probe Manual control measurementsFastFacts 13.2 Sensory loss simulator operation Sensory Loss SimulatorSensory loss simulator description Occlusion Effect Test Occlussion effect measurementTurn the hearing aid OFF FastFacts 14.1 Occlusion effect measurementRecd real-ear to coupler difference FastFacts 15.2 Recd factsRecd coupler response FastFacts 15.3 Recd coupler responseFastFacts 15.4 Recd real-ear response Recd real-ear responseAllow the foam tip to fully expand in the ear Recd results FastFacts 15.5 Recd resultsFastFacts 16.2 Insertion gain in SPL Insertion GainFastFacts 16.1 Insertion gain Insertion gain in SPL Insertion gain in HL FastFacts 16.3 Insertion gain in HLAudiometric data entry To enter data from a barcode see 3.3 Barcode data inputTo enter assessment data and parameters manually FastFacts 16.4 Audiometric data entryReur measurement procedure FastFacts 16.5 Reur measurement procedureRear measurement procedure FastFacts 16.6 Rear measurement procedureSII calculation in Insertion gain FastFacts 16.7 SII calculation in Insertion gainFastFacts 17.2 Speechmap facts SpeechmapFastFacts 17.1 Speechmap 17.2 Speechmap facts DSL 5.0 in Speechmap FastFacts 17.3 DSL 5.0 in SpeechmapFastFacts 17.5 NAL-NL1 in Speechmap DSL 5.0 changesFastFacts 17.4 DSL 5.0 changes NAL-NL1 in Speechmap To enter audiometric data, see 18.2 Assessment data entry Using SpeechmapFastFacts 17.6 Using Speechmap 0611 RM500SL User’s Guide Version REM or S-REM mode FastFacts 17.9 REM or S-REM mode17.10SII calculation in Speechmap FastFacts 17.10 SII calculation in SpeechmapFastFacts 18.2 Assessment data entry Speechmap Fitting ProceduresTo enter assessment data manually Assessment data choices FastFacts 18.3 Assessment data choicesFrom 18.3 Assessment data choices FastFacts 18.4 Assessment data choicesFitting to targets for soft speech FastFacts 18.5 Fitting to targets for soft speechFitting to targets for loud sounds FastFacts 18.6 Fitting to targets for loud soundsFitting to targets for mid-level speech FastFacts 18.8 Open fittings in SpeechmapFM fitting and verification FastFacts 18.9 FM fitting and verificationSpeechmap Technical Details FastFacts 19.2 Speechmap stimuliStimulus levels FastFacts 19.3 Stimulus levelsMicrophone location effects Microphone Location Effects FastFacts 19.4 Microphone location effectsSpeech signal analysis FastFacts 19.5 Speech signal analysisFastFacts 20.2 Self test failures TroubleshootingFastFacts 20.1 Troubleshooting Self test failures FastFacts 20.4 HIT curves inconsistent No HIT reference mic. detected FastFacts 20.7 No HIT reference mic. detectedInvalid HIT calibration Invalid HIT Calibration FastFacts 20.10 Invalid REM calibration20.11REM speaker overdriven FastFacts 20.12 Barcode scanner malfunctionTechnical Specifications Storage & TransportationGeneral HIT ChamberGlossary Page Page Page References Page Page 0611 RM500SL User’s Guide Version Introduction Verifit and RM500SL Test Signals and AnalysisTest signals Broad-band signals Loud Vocal Effort Effect re nominal band SPL Analysis of broad-band signals Pink noise signal analysisVerifit / RM500SL Speechmap 07/05/06 Example of speech envelope and Ltass 07/05/06 Ltass for Speechmap speech signals at average vocal effort Ltass Dynamic