Audioscan RM500SL®User's Guide 3.12 March 2015
RM500SL®User's Guide Version 3.12 March 2015 EC Declaration of Conformity10
RM500SL®User's Guide Version 3.12 March 2015Test box speaker overdriven!• This message indicates that the test chamber speaker is unable to pr
RM500SL®User's Guide Version 3.12 March 2015place. Try Test box calibration using the reference microphone of the on-ear probe microphone in p
RM500SL®User's Guide Version 3.12 March 2015If your scanner has a Unitech logo, scan the following barcode to reset the scanner to its default
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RM500SL®User's Guide Version 3.12 March 201522 Technical SpecificationsSpecifications subject to change without noticeEnvironmental condition
RM500SL®User's Guide Version 3.12 March 2015Test stimulus accuracy at reference mic. for tones(2000- 8000 Hz)...
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RM500SL®User's Guide Version 3.12 March 201523 GlossaryAGC, Automatic Gain Control, the means by which gain is automatically controlled by th
RM500SL®User's Guide Version 3.12 March 2015FOG, full on gain, gain for a 50 dB input SPL with the gain control set to maximum ANSI S3.22)Gain
RM500SL®User's Guide Version 3.12 March 2015MPO, Maximum Power Output, the maximum SPL that a hearing aid can deliver in response to a stea
RM500SL®User's Guide Version 3.12 March 2015 Electronic User’s GuideA printable User’s Guide is on the system USB flash drive which contains
RM500SL®User's Guide Version 3.12 March 2015REOR is used to evaluate the seal of an earmold. It is not related to the required gain of a heari
RM500SL®User's Guide Version 3.12 March 2015uncomfortable.VGA, video graphics adapter.VC, Volume Control, a user-operated gain control.Warble
RM500SL®User's Guide Version 3.12 March 201524 ReferencesAAA Clinical Practice Guidelines: Remote Microphone Hearing Assistance
RM500SL®User's Guide Version 3.12 March 2015Hawkins, D.B., Walden, B.E., Montgomery, A.A., & Prosek, R.A., (1987). Description and valid
RM500SL®User's Guide Version 3.12 March 2015characteristics for young children. Journal of the Academy of Rehabilitative Audiology, 20, 25-38
RM500SL®User's Guide Version 3.12 March 201525 Appendix 1 Manufacturer Disclosure Statement for Medical Device Security115
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RM500SL®User's Guide Version 3.12 March 201526 Appendix 2 AudioNote 2.1 VERIFIT and RM500SL Test Signals and AnalysisFor additional details
1 IntroductionThe Verit and RM500SL are full-duplex dual-chan-nel audio measurement systems designed for the testing and tting of all types of hear
RM500SL®User's Guide Version 3.12 March 2015 How to Avoid Undesirable Side EffectsDuring the development of the hearing aid anal
2.1 Narrow-band signals2.1.1 Sinusoidal (pure tones)Sinusoidal signals are used in the ANSI hearing aid tests, in Multicurve 2 cm3 frequency respons
2.2.2 Dual-direction pink noise signal (Verit only)This unique test signal is available in the dual-source Verit test chamber and for on-ear measur
2.2.3 Real-speech signalsReal-speech signals are provided in Speechmap for both On-ear and Test box measurement modes. Four dierent digitized speec
Figure 3: LTASS for Speechmap speech signals at average vocal eortFigure 4: LTASS for Speech-std(1), Speech4000, Speech5000, Speech6300 for the FM
Figure 5: Loud vocal eort eect in dB re nominal band levels. Nominal band levels are band levels for an overall SPL of 65 dB. This shaping is appl
In addition to these well-controlled and repeatable signals, live speech may be used as a test signal. It will, of course, be unequalized and at an u
3.1 Pink noise signal analysisAll band levels are calculated with an averaging time of 128 ms.For a linear hearing aid, a pink noise stimulus will re
The speech-reception threshold (SRT) is attained when the LTASS is at threshold (approximately - de-pending on test material and the individual). The
Figure 10: Speech is detectable but not understandable if the 99th percentile is at thresholdFigure 11: When LTASS is at threshold, SII ≈ 33% which
Figure 12: The highest SII is obtained when the entire speech envelope is above thresholdFigure 13: Level of 99th percentile for Speechmap speech sig
RM500SL®User's Guide Version 3.12 March 20152 Getting StartedThis section provides instructions for unpacking the RM500SL and
Figure 14: Level of 30th percentile for Speechmap speech signals at average vocal effortFigure 15: Dynamic range of Verit speech signals at average
RM500SL®User's Guide Version 3.12 March 2015NOTE: A microphone extension cable (VA-131, 133) is available from Audioscan. Standard audio exte
RM500SL®User's Guide Version 3.12 March 2015 Microphone careCoupler microphone:1. DO NOT twist the cable when attaching a coupler to the c
RM500SL®User's Guide Version 3.12 March 2015 Mouse, keyboard, barcode scannerThe RM500SL may be operated from the built-in keypad, a
RM500SL®User's Guide Version 3.12 March 2015WARNING: To avoid the risk of electrical shock, any line-powered peripheral equipment connected to
RM500SL®User's Guide Version 3.12 March 20153 General OperationThis section describes the use of the built-in keypad, a QWERTY keyboard (not
RM500SL®User's Guide Version 3.12 March 20152. Hold the printout so that the barcode is flat. With the scanner 6 – 8 in. (15 – 20 cm) from the
Table of Contents1 About RM500SL...
RM500SL®User's Guide Version 3.12 March 2015Keypad ButtonFunction<Help> Summon context-sensitive Help Screen.<Setup> Summon Setup
RM500SL®User's Guide Version 3.12 March 2015a highlighted square at the right-hand end of a white window. A screen button with a down arrow in
RM500SL®User's Guide Version 3.12 March 20154 General SetupThis section covers Date and Time setup, Display settings (including mouse pointer
RM500SL®User's Guide Version 3.12 March 20152. Highlight and <PICK> [Save test setups on power off] to toggle between Yes and No.To enab
RM500SL®User's Guide Version 3.12 March 20155 NetworkingConnection to a computer network allows screen images to be printed on a network prin
RM500SL®User's Guide Version 3.12 March 2015Note for network administrators: To manually change networking settings, uncheck Auto and click th
RM500SL®User's Guide Version 3.12 March 20153. Select <Continue>.4. You will be prompted to restart the equipment. Select <Continue&
RM500SL®User's Guide Version 3.12 March 20156 Single computer connectionMost office computers today are already connected to a ne
RM500SL®User's Guide Version 3.12 March 2015255.255.255.0 in the Subnet mask box.6. On the RM500SL, un-check Auto (use DHCP) on the Setup net
RM500SL®User's Guide Version 3.12 March 20157 Printing and Storing ResultsPressing <Print> will cause the current screen image to be pr
RM500SL®User's Guide Version 3.12 March 2015Calibrating test box reference microphone...
RM500SL®User's Guide Version 3.12 March 20157. Place the roll in the paper tray and advance another 10 in. (25 cm) of paper.8. Lower the print
RM500SL®User's Guide Version 3.12 March 20151000, D2680, D4160, 6940 and 460.Failure to follow operating instructions could place the user or
RM500SL®User's Guide Version 3.12 March 2015Network printer setupTo print to a network printer or to a Windows-shared printer on the network,
RM500SL®User's Guide Version 3.12 March 20157. Press <Continue> to save the settings and exit the setup menu.8. To save a screen image t
RM500SL®User's Guide Version 3.12 March 2015store features saves this database in xml format which may be viewed with a web browser or importe
RM500SL®User's Guide Version 3.12 March 20152. Highlight and <PICK> [Restore session from file].3. Highlight and <PICK> the Client
RM500SL®User's Guide Version 3.12 March 20158 Test Box Measures - SetupThe appearance of Test box measures screens may be changed in several
RM500SL®User's Guide Version 3.12 March 20153. Press <Continue> to return to the test screen.Hiding a curve does not erase it. To erase
RM500SL®User's Guide Version 3.12 March 2015 Calibrating test box reference microphoneRemove any coupler from the coupler microphone before c
RM500SL®User's Guide Version 3.12 March 2015 Calibration check for coupler microphoneAccuracy of test box measurements depends on
RM500SL®User's Guide Version 3.12 March 2015RECD protocols...
RM500SL®User's Guide Version 3.12 March 2015When threading the couplers onto the coupler microphone, it is very important that they be firmly
RM500SL®User's Guide Version 3.12 March 2015 Positioning the hearing instrument1. The hearing instrument should be coupled to the appropriate
RM500SL®User's Guide Version 3.12 March 20159 ANSI Hearing Aid TestsThese tests follow the procedures of ANSI S3.22-1996 or ANSI S3.22-2003 a
RM500SL®User's Guide Version 3.12 March 2015The OSPL90 curve, the HFA (or SPA) and peak value of this curve, the frequency of the peak, the HF
RM500SL®User's Guide Version 3.12 March 2015settings that result in the highest gain for soft sounds and the lowest gain for loud sounds. This
RM500SL®User's Guide Version 3.12 March 2015used. See ANSI S3.22-1996 facts and ANSI S3.22-2003 facts. The [Input/Output] test allows you to g
RM500SL®User's Guide Version 3.12 March 20151. First, complete an ANSI [Linear] or [AGC] test, then press <Tests>.2. Highlight & <
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RM500SL®User's Guide Version 3.12 March 201510 Other Test Box MeasuresIn addition to the tests of ANSI S3.22, the RM500SL also provides the f
RM500SL®User's Guide Version 3.12 March 2015responded. Multicurve procedureMulticurve generates 1 to 4 output or gain response curves using e
RM500SL®User's Guide Version 3.12 March 2015General...
RM500SL®User's Guide Version 3.12 March 2015and displayed at 1/12th octave frequencies. Battery drain testThe battery drain test automaticall
RM500SL®User's Guide Version 3.12 March 20152. Highlight and <PICK> the Level window, then highlight and <PICK> the desired stimul
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RM500SL®User's Guide Version 3.12 March 201511 Sensory loss simulator Sensory loss simulator descriptionA pure conductive loss attenuates lo
RM500SL®User's Guide Version 3.12 March 201512 On-Ear Measures - SetupFor accurate, repeatable measurements, the RM500SL must be properly set
RM500SL®User's Guide Version 3.12 March 20154. Hold the probe module 15 - 90 cm (6 – 36 inches) away from and directly in
RM500SL®User's Guide Version 3.12 March 20155. Hold the probe module about 18 in. (0.5 m) in front of the sound-field speaker.6. Hold the micr
RM500SL®User's Guide Version 3.12 March 2015To choose a different Max TM SPL setting:1. Press <Setup>, then highlight and <PICK> [
RM500SL®User's Guide Version 3.12 March 20151. Choose a quiet location and position the client and the sound-field speaker at least 1.5 m (5 f
RM500SL®User's Guide Version 3.12 March 2015Probe tube insertion: The blue lanyard holds the tube in place and the depth marker is at the int
RM500SL®User's Guide Version 3.12 March 20151 About RM500SLThis section describes the Audioscan RM500SL, provides contact, warranty and trade
RM500SL®User's Guide Version 3.12 March 201513 On-Ear Measures Screen SetupTo accommodate your working preferences, the appearance of On-ear
RM500SL®User's Guide Version 3.12 March 2015To change the scale:Highlight and <PICK> [Scale] to toggle between a dB SPL and dB HL scale.
RM500SL®User's Guide Version 3.12 March 201514 On-Ear Instrument MeasuresA number of the tests covered in Test box measures can also be perfo
RM500SL®User's Guide Version 3.12 March 20154. Highlight and <PICK> a stimulus level from the list box.5. Highlight and <PICK> [St
RM500SL®User's Guide Version 3.12 March 20155. Highlight and <PICK> [Start test] to start the test. [Start test] c
RM500SL®User's Guide Version 3.12 March 201515 Occlusion Effect TestThe occlusion effect refers to the unnatural sound of one’s own voice tha
RM500SL®User's Guide Version 3.12 March 201516 RECD measurementThe RECD (real-ear to coupler difference) may be individually measured to impr
RM500SL®User's Guide Version 3.12 March 2015 Measure RECD Connect the RECD transducer to the RECD jack on the front of the test chamber.Prepa
RM500SL®User's Guide Version 3.12 March 20152. Select the RECD coupling method that will be used on the ear. Audioscan software suppor
RM500SL®User's Guide Version 3.12 March 2015 ANSI S3.46(2013) RECD The ANSI S3.46(2013) Real Ear standard advises RECD measurement protocols
RM500SL®User's Guide Version 3.12 March 2015VA-131 Microphone extension cable (3') for use with Audioscan analyzersVA-133 Microphone ex
RM500SL®User's Guide Version 3.12 March 2015and the implications of each. ANSI S3.46 method:RECD On-ear measurement: Audioscan RECD transduce
RM500SL®User's Guide Version 3.12 March 2015hearing aids and is approximately true for insert earphones with the supplied foam tips. The acous
RM500SL®User's Guide Version 3.12 March 201517 Insertion GainInsertion gain is the difference between aided and unaided ear canal SPL (REIG =
RM500SL®User's Guide Version 3.12 March 2015 Insertion gain in HLRefer to On-Ear Measures - Setup and On-Ear Measures Screen Setup
RM500SL®User's Guide Version 3.12 March 2015manually using a mouse, the keypad or the numeric keypad on an external keyboard. See Mouse, keyb
RM500SL®User's Guide Version 3.12 March 2015data at this time (see Audiometric data entry) or press <Continue> to proceed with the measu
RM500SL®User's Guide Version 3.12 March 2015Insertion gainNOTE: Because it is analyzed in 1/3 octave bands, the Noise stimulus produces a REAR
RM500SL®User's Guide Version 3.12 March 201518 SpeechmapSpeechmap presents hearing threshold, UCL and amplified speech spectra as SPL in the
RM500SL®User's Guide Version 3.12 March 20153. There is no provision to input the number of compression channels. This may be useful when the
RM500SL®User's Guide Version 3.12 March 2015are of little value in estimating amplified speech levels. Matching amplified speech to the LTASS
RM500SL®User's Guide Version 3.12 March 2015 Declaration of Electromagnetic Compatibility (EMC)Medical electrical equipment needs special pre
RM500SL®User's Guide Version 3.12 March 2015• To access Speechmap: press <Tests>, then highlight and <PICK> [On-e
RM500SL®User's Guide Version 3.12 March 20152. To remove a checked stimulus from the list, highlight and <PICK> the stimulus you want to
RM500SL®User's Guide Version 3.12 March 2015 Screen tour - aided screen On-ear or Test box modeThe Speechmap environment provides two hearin
RM500SL®User's Guide Version 3.12 March 2015the hearing aid settings and cannot be reliably predicted from 2cc coupler measurements. SII calc
RM500SL®User's Guide Version 3.12 March 20152. Format the USB stick for data using the Audioscan Updater.3. Create digital sound files that ar
RM500SL®User's Guide Version 3.12 March 2015• Removing the USB stick while a Test post is open may cause unexpected behavior. Close the Test p
RM500SL®User's Guide Version 3.12 March 2015Example of user-supplied files, “user.wav”, “user_-4.wav” and “user_+2.5.wav”.86
RM500SL®User's Guide Version 3.12 March 201519 Speechmap Fitting ProceduresThe Speechmap fitting screen provides a number of choices for inpu
RM500SL®User's Guide Version 3.12 March 2015 Assessment data choicesThe following audiometric assessment parameters can be specified in the S
RM500SL®User's Guide Version 3.12 March 2015Enter, Measure] if the target rule is NAL-NL2 or [Average, Enter, Measure] otherwise. The RECD is
RM500SL®User's Guide Version 3.12 March 2015to misuse, or unauthorized alteration or repair.This warranty does not apply to battery substitute
RM500SL®User's Guide Version 3.12 March 2015 Fitting to targets for loud sounds4. Select Test 2 & set stimulus to [MPO]. In test box mod
RM500SL®User's Guide Version 3.12 March 2015<Continue> to run the complete passage. Repeat as necessary. Achieving this goal may require
RM500SL®User's Guide Version 3.12 March 2015 Verifying Frequency Compression/ Frequency-Lowering Hearing Instruments in SpeechmapFrequency
RM500SL®User's Guide Version 3.12 March 2015appear in the Test 1 curve, it may indicate that the hearing aid has no gain at the selected band
RM500SL®User's Guide Version 3.12 March 2015It is assumed that the hearing aid has been set up for optimal audibility and maximum output. See
RM500SL®User's Guide Version 3.12 March 201520 Speechmap Technical DetailsSpeechmap provides a variety of stimuli for the testing
RM500SL®User's Guide Version 3.12 March 2015spectrum is from Cornelisse et al (1991) adjusted to a 1 m reference.1/3 octave band SPL Add to ba
RM500SL®User's Guide Version 3.12 March 20151600 2.5 -0.3 -1.9 2.0 -4.0 6.12000 4.1 3.8 2.1 3.3 -4.0 6.12500 3.5 5.0 4.8 5.0 -3.0 6.43150 2.8
RM500SL®User's Guide Version 3.12 March 201521 TroubleshootingThis section covers common problems encountered when using the RM500SL. If you
RM500SL®User's Guide Version 3.12 March 2015 Test box high distortion or noiseHigh distortion and/or noise numbers in an ANSI test• There may
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