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otometrics AURICAL Aud Reference Manual

Pc-controlled audiometer for testing a person's hearing
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AURICAL Aud
Reference Manual
Doc. No.7-50-1030-EN/15
Part No.7-50-10300-EN

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  • Page 1 AURICAL Aud Reference Manual Doc. No.7-50-1030-EN/15 Part No.7-50-10300-EN...
  • Page 2 Copyright notice © 2011, 2017 GN Otometrics A/S. All rights reserved. ® Otometrics, the Otometrics Icon, AURICAL, MADSEN, ICS and HORTMANN are registered trademarks of GN Otometrics A/S in the U.S.A. and/or other countries. Version release date 2017-03-13 (153515) Technical support Please contact your supplier. Otometrics - AURICAL Aud...

  • Page 3: Table Of Contents

    Table of Contents Introduction to AURICAL Aud AURICAL Aud HI-PRO 2 AURICAL speaker unit The OTOsuite Audiometry Module 1.4.1 NOAH Intended use About this manual 1.6.1 Installation and assembly 1.6.2 Safety 1.6.3 Training Typographical conventions 1.7.1 Navigation Navigating in the OTOsuite Audiometry Module...
  • Page 4 4.1.4 Assessing speech reception threshold (SRT) using the Hughson/Westlake procedure 4.1.5 Assessing word recognition score Special Tests 4.2.1 Performing Tone Decay using the Modified Carhart Method 4.2.2 Performing a pure tone Stenger 4.2.3 Performing speech Stenger 4.2.4 Performing Weber Otometrics - AURICAL Aud...
  • Page 5 Communicating with the device Reconnecting to the device Updating device firmware AURICAL Aud with HI-PRO 2 Tuning the AURICAL Aud speaker for use with third-party applications Microphone placement for use with RoomTune Preparing to use RoomTune Using RoomTune in a new environment...
  • Page 6 12.2.2 General warning notes 12.3 The OTOsuite Audiometry Module 12.4 Manufacturer 12.4.1 Responsibility of the manufacturer 13 Technical specifications 13.1 AURICAL Aud 13.2 HI-PRO 2 (built-in) 13.3 AURICAL speaker unit 13.4 Accessories 13.5 Notes on EMC (Electromagnetic Compatibility) Index Otometrics - AURICAL Aud...

  • Page 7: Introduction To Aurical Aud

    You can connect other devices easily through the built-in USB Hub, and AURICAL Aud provides the necessary connections to carry out counseling using the OTOsuite Counseling and Simulations module.

  • Page 8: Hi-Pro

    PMM and Counseling and Simulations modules in OTOsuite. The speaker unit can be attached to an AURICAL Aud audiometer or to an AURICAL Aud that is not enabled as an audiometer. You can use AURICAL Aud to connect and drive the accessories for OTOsuite PMM and the OTOsuite Counseling and Simulations module.

  • Page 9: Noah

    Users: audiologists, ENTs and other health care professionals in testing the hearing of their patients. Use: diagnostic and clinical audiometric testing. AURICAL Aud with HI-PRO 2 and the Audiometry module Users: audiologists, ENTs, hearing instrument dispensers and other health care professionals. Use: As for AURICAL Aud, and hearing instrument fitting. Otometrics - AURICAL Aud...

  • Page 10: About This Manual

    1.6.3 Training It is recommended that you read this manual and try out test scenarios before you start operating AURICAL Aud so that you are familiar with both the device and the software program before testing a patient. Typographical conventions...

  • Page 11: Navigation

    1 Introduction to AURICAL Aud Caution Indicates that there is a risk of injury to the user or patient or risk of damage to data or the device. • Note Indicates that you should take special notice. • 1.7.1 Navigation...
  • Page 12 1 Introduction to AURICAL Aud Otometrics - AURICAL Aud...

  • Page 13: Navigating In The Otosuite Audiometry Module

    The basic OTOsuite functions are described in the OTOsuite User Guide. Audiometry elements Audiometry toolbar Stimulus bar Control Panel Masking level indicator Work area Stimulus marker Menus and toolbar icons General icons - see the OTOsuite manual Otometrics - AURICAL Aud...

  • Page 14: File Menu

    Click to select the perspective of the patient's ears as presented on the screen for graph and table views. Enable or disable the Masking Assistant. Masking Assistant The Masking Assistant causes an unmasked threshold to flash repeatedly if masking is recommended. The Masking Assistant ► 17 • Otometrics - AURICAL Aud...

  • Page 15: Measurement Menu

    Click to enable or disable the display of the audiogram legend. The legend contains the most commonly used symbols for the audiogram. It is not configurable. The graph shows up to 20,000 Hz. AURICAL Aud presents stimulus up Standard / All / High to 12,500 Hz.

  • Page 16: Tools Menu

    When the patient presses the Patient Responder this is shown on the Stimulus bar, and a sound signal from the PC is heard Tools Options Audiometry through the Monitor Speaker or Operator Headset. The sound signal is optional (  >  >  > General  > Measurement, Misc  > Audible patient response Otometrics - AURICAL Aud...

  • Page 17: The Masking Assistant

    Pure Tone Hearing Thresholds, Audiologists’ Desk Reference - Vol 1, James W. Hall III, H. Gustav Mueller III, Singular Publishing Group 1997 Munro K.J., Agnew N. A comparison of inter-aural attenuation with the Ety- . and motic ER-3A insert earphone and the Telephonics TDH-39 supra-aural earphone. Br J Audiol 1999; 33: 259-262 Otometrics - AURICAL Aud...
  • Page 18 ... > Masking Assistant Min IA is frequency specific These are the Min IA tables for TDH-39 and Otometrics Inserts used in the Masking Assistant Min IA (supraaural phone: TDH-39), frequency specific Katz & Lezynski, (2002) Munro & Agnew, BJA (1999) Munro &...

  • Page 19: The Control Panels

    Munro & Agnew, BJA (1999) The Control Panels Control Panel Click the icon in the toolbar to activate the Control Panel. The Tone Control Panel Quick Select - Tone ► 20 Test Options ► 22 Monitor and Level ► 24 Otometrics - AURICAL Aud...

  • Page 20: Quick Select - Tone

    Binaural symbols will be stored on both audiograms (or once on the combined audiogram) onduction) Presents the stimulus and/or masking using the selected AC transducer. Mask onduction) Presents the stimulus and/or masking through the bone oscillator. Mask Otometrics - AURICAL Aud...

  • Page 21: Quick Select - Speech

    Click to select the test ear to be recorded in the audiogram. • Left/Both/Right Measurement Click to select the transducer type used. • Air Conduction • Bone Conduction • Sound Field Note Sound-field testing is not available on some models. • Otometrics - AURICAL Aud...

  • Page 22: Test Options

    Defines the intensity of the stimulus and masker used to record the audiogram. AC Transducer Insert Presents the stimulus or masker through the insert earphones. See Configuring the Audi- ometry Module ► 101 Phone Presents the stimulus or masker through supra-aural headphones. Otometrics - AURICAL Aud...
  • Page 23 (2008), personal communication. b For more information read: "Narrow Band Noise Audiometry: The Effect of Filter Slope", Daneil J. Orchik and Nancy L. Mosher, 1975 in The Journal of American Audiology Society, Vol. 1, No. 2, p. 50-53. Otometrics - AURICAL Aud...

  • Page 24: Monitor And Level

    For adjusting the sensitivity of the test microphone reflected on the VU meter (only used for Speech testing). Source A Source B Source A Source B For adjusting the sensitivity of the signal coming from reflected on the VU meter (only used for Speech testing). Otometrics - AURICAL Aud...

  • Page 25: The Stimulus Bar

    Test controls provide a means of operating the audiometer if you use the mouse and on-screen options to perform tests. • To enable test controls, select Tools  > Options  > Audiometry  > General  > On-screen controls  > Show  > Otometrics - AURICAL Aud...

  • Page 26: The Tone Stimulus Bar

     >  > • To change the level and frequency by more than one click at a time, use the mouse scroll wheel. 2.6.2 The Tone stimulus bar Symbol Frequency During online testing, the stimulus bar shows: Otometrics - AURICAL Aud...

  • Page 27: The Speech Stimulus Bar

    0 dB on the VU meter so that the dB level on the stimulus intensity bar represents the level actually being delivered to the patient. The Tone test screen During online testing, the screen reflects the test done by the audiometer as it progresses. Otometrics - AURICAL Aud...

  • Page 28: The Work Area In The Tone Screen

    Blue = left • Red = right • Black = binaural Mouse cursor Indicates where you place the mouse. The color indicates the routing: • Blue = left • Red = right • Black = binaural Otometrics - AURICAL Aud...
  • Page 29 You can switch the position of the right and left graphs to cor- respond to your viewing preference. Tools Options Tone Misc. Dual Graph View 1. Select  >  >  >  > View or in the menu bar under Stimulus marker (ear color) Masking level indicator Otometrics - AURICAL Aud...

  • Page 30: Curves And Symbols Selection

    Select a new color or click on to select a color not shown. Click 7. To optimize viewing of the audiogram, you can offset the symbols in relation to the audiogram grid in the fields Hori- zontal Offset Vertical Offset Otometrics - AURICAL Aud...

  • Page 31: Creating New Symbols

    The new symbol should appear on the list of symbol options. In this dialog box, you also have options for setting the color, line type, and horizontal and vertical offsets that will apply when you use the new symbol. Otometrics - AURICAL Aud...

  • Page 32: Compare Audiograms

    2.7.5 Tone feature boxes You can access a number of Tone view options directly from the Tone main screen. Tools Options Tone The view options can be turned on/off. To do so, select  >  > Otometrics - AURICAL Aud...
  • Page 33 These overlays assist in the counseling process. Tools Options Audiometry Tone Overlay Selection Box. • Select  >  >  >  > The overlay options are: Pictures Displays pictures representing common environmental sounds at their approximate dB level (e.g. bird, plane). Otometrics - AURICAL Aud...

  • Page 34: Tone Editing Options

    Deletes a selected data curve. Insert “No Response” • Inserts a “no response” symbol (default: symbol with arrow down- ward) on the audiogram. You can also access the “no response” symbol by holding down the "S" key on the keyboard. Otometrics - AURICAL Aud...

  • Page 35: Work-Flow Related Features

     >  > Measurement Auto Freq./Level Shift  > Note Masking is always switched off when the frequency is changed automatically. • You can set up the definitions for each of the test types THR/MCL and UCL individually: Otometrics - AURICAL Aud...

  • Page 36: Stimulus Duration

    Selecting the work area in the Speech screen You can perform tests and view the speech test results in the work area. • Speech testing - tabular view ► 49 Speech testing - graph view ► 52 • Otometrics - AURICAL Aud...

  • Page 37: Selecting Word Or Phoneme Scoring

    To set up word or phoneme scoring, • click Tools Options Speech Scoring and Playing • select  >  >  > and click the pop-up button. Scoring and Playing dialog is shown. Otometrics - AURICAL Aud...
  • Page 38 Speech Player Panel , and on the Numerical pad of the PC keyboard. Calculate 'All Correct' Word scoring Score Does not apply to word scoring. Phoneme/Sentence scoring Calculates all correctly scored phonemes or items based on Otometrics - AURICAL Aud...
  • Page 39 The percentage is calculated based on the total number of words you have defined in Tools Options Audiometry Speech Scoring and Playing Number of advance -  >  >  >  >  > items to play back Phoneme/Sentence scoring Does not apply to phoneme scoring. Otometrics - AURICAL Aud...
  • Page 40 Does not apply to external sound source speech material. Phoneme/Sentence scoring When the number of correct phonemes has been scored for a word, the next word is presen- ted. External speech material: Does not apply to external sound source speech material. Otometrics - AURICAL Aud...

  • Page 41: Selecting Speech Material

    Only speech material supplied on the OTOsuite Speech material CD is precalibrated according to the • description supplied with the original speech material. If you use any other speech material, make sure that it is calibrated correctly. Otometrics - AURICAL Aud...
  • Page 42 File/track/list selection 4. You can find the speech material files in the drop-down list. Speech list files (provided by Otometrics) File/track/list When you use integrated OTOsuite Speech Material, you can choose between speech lists in the selection drop-down list.

  • Page 43: Scoring Words Using Integrated Otosuite Speech Material

    When you use integrated word lists, the Scoring Panel is either initialized to "0% 0/0" or to “100% 0/0”, depending on Tools Options Audiometry Speech View Score Presentation the setting in  >  >  >  >  > • Click on the relevant Word score counter button to record the response of the client. Otometrics - AURICAL Aud...
  • Page 44 You can right-click on a word to change the score or control the play-back of the word list. • You can either play back a single item or select a place in the list where you want to start the play-back. Otometrics - AURICAL Aud...

  • Page 45: Scoring Words Using External Sound Source

    View Score Presentation the setting in  >  >  >  >  > • Click on the relevant Word score counter button to record the response of the client. Store the word scores Storing speech data ► 37 Otometrics - AURICAL Aud...

  • Page 46: Scoring Phonemes Using Integrated Otosuite Speech Material

    The Scoring Panel is either initialized to "0% 0 words" or to “100% 0 words”, depending on the setting in  > Options Audiometry Speech View Score Presentation  >  >  >  > • Click on the relevant phoneme score counter button to record the response of the client. Otometrics - AURICAL Aud...

  • Page 47: Scoring Phonemes Using External Sound Source

    Using an external sound source includes the use of all types of sound sources such as CDs, MP3 players, • cassette recorders, and sound files on the PC hard drive except for the integrated OTOsuite Speech Material. Otometrics - AURICAL Aud...

  • Page 48: Saving Source Levels For Speech Material

    The next time you browse to this Source A Source B folder (or create a user test) the level settings will automatically be set to the saved level. Otometrics - AURICAL Aud...

  • Page 49: Speech Testing - Tabular View

    Tabular View Graphical View AURICAL Aud is intended for use with predefined speech protocols that are loaded automatically when you select a user test. You can have a full overview and instantly select measurement type, ear, transducer, stimulus type, routing, and speech material.

  • Page 50: Creating And Editing The Speech Test Table

    You can load and include several different speech tables when you test a patient. Rows with no data will be discarded Did not test Could not test (right-click in the row to select if you wish to retain blank rows before you load additional user tests). Otometrics - AURICAL Aud...

  • Page 51: Speech Editing Options - Tabular View

    Sorting by ear is sometimes preferred when you compare the ears when analyzing the complete results. • To sort data by their sequential number, click the number field in the table header (marked with the #symbol). Otometrics - AURICAL Aud...

  • Page 52: Storing Snr For Speech Testing

    Adaptive rows The rows in the adaptive legend always show the current measurement settings and the measurements you have made. A new row will be added to the legend every time you make a new test. Otometrics - AURICAL Aud...
  • Page 53 Modifying Click 'n' Get for a pinned test You can assign a different speech stimulus and/or transducer to a pinned test. This will load the desired word list, trans- ducer, etc., when you use the Click 'n' Get feature. Otometrics - AURICAL Aud...

  • Page 54: Speech Editing Options - Graph View

    When you right-click on a measurement in the graph, the following options appear: Options Selected Point (e.g. WRS, Left, If more than one symbol is at the same %/intensity, select the data point of interest Live, AC) from the drop down. Delete Point Deletes a selected data point. Otometrics - AURICAL Aud...

  • Page 55: Speech Feature Boxes

    The AI is calculated according to the “Count-the-dot” method. Stenger Displays the results of a speech Stenger test (optional). • Scoring options are positive (+) or negative (-). 2.13 Terms and abbreviations used in Speech testing Speech Detection Threshold Speech Recognition Threshold Otometrics - AURICAL Aud...
  • Page 56 • Signal-to-Noise Ratio. Pure Tone Average PTA - AC • Pure Tone Average for Air Conduction thresholds. PTA - BC • Pure Tone Average for Bone Conduction thresholds. Articulation Index (%), based on the Count-the-dot method. Otometrics - AURICAL Aud...

  • Page 57: Special Tests

    Options are 1, 2, and 5. SISI dB Step This determines the dB step size for the intensity of the stimulus when presenting the tone automatically using the play button. Options are 1 (should be used for testing), 2, and 5. Otometrics - AURICAL Aud...
  • Page 58 Store • Stores the data point. Scoring Level Intensity Change Recognition • Click the button each time the patient acknowledges that a change in intensity was heard • Play button Starts the test. Otometrics - AURICAL Aud...
  • Page 59 Displays pure tone average. SISI editing options Editing options Delete • Deletes the data for a particular frequency for a particular ear. Delete all • Deletes the data for all the frequencies for a particular ear. Otometrics - AURICAL Aud...

  • Page 60: The Test Process - Sisi

    This determines the dB step size for the intensity of the reference stimulus tone. Options are 1, 2, and 5. ABLB dB Step This determines the dB step size for the intensity of the ABLB test stimulus. Options are 1 (should be used for testing), 2, and 5. Otometrics - AURICAL Aud...
  • Page 61 Controlling intensity and frequency, and storing data Arrow up • increases the intensity. Arrow down • decreases the intensity. • Arrow left decreases the stimulus frequency. Arrow right • increases the stimulus frequency. Store • Stores the data point. Otometrics - AURICAL Aud...
  • Page 62 • Deletes the data for the frequency that is currently displayed. Delete all at x (e.g. 1000) Hz • Deletes the data for that particular column when the frequency is currently set differently from that column. Otometrics - AURICAL Aud...

  • Page 63: The Test Process

    4. If the TEN is found to be unpleasantly loud, or if the maximum TEN level of 90 dBHL is reached, you can set the TEN level equal to the audiometric threshold. This should still produce a definitive result. Otometrics - AURICAL Aud...

  • Page 64: Ambient Noise Assessor

    2.14.4.2 Measuring Ambient Noise with AURICAL FreeFit To use the Ambient Noise Assessor to monitor noise levels while performing Audiometry, follow this procedure: 1. Fit FreeFit with counterweights. (For detailed instructions, see the reference manual for FreeFit.) Otometrics - AURICAL Aud...
  • Page 65 FreeFit.) Ambient Noise Assessor dialog indicates the status of the noise level: Ambient Noise Status The measured ambient noise level is below the maximum permissible level for the stim- ulus that is currently selected. Otometrics - AURICAL Aud...
  • Page 66 OK. The warning marker also disappears if you switch to a new test frequency. 9. When the noise level is acceptable to you, you can store a point in the audiogram as you would normally. Otometrics - AURICAL Aud...

  • Page 67: Noise Level Indicators Stored With Measurements

    D. Gray: The status of ambient noise is unknown. Either FreeFit was not activated when the point was meas- ured, or the frequency was stored without the signal having been presented. Otometrics - AURICAL Aud...

  • Page 68: Activating The Ambient Noise Assessor Automatically

    You can use the toolbar button to open the Ambient Noise Assessor when you need it, or you can set the feature to open automatically. Options Audiometry General Measurement Misc. Show Ambient Noise Assessor  >  >  > you can set . Then the Ambient Noise Assessor dialog will open automatically when you open the Tone Speech tab in Audiometry. Otometrics - AURICAL Aud...

  • Page 69: Minimum Htl Per Transducer Type

    2.15.1 PC keyboard controls OTOsuite Manuals You can open an overview of PC keyboard shortcuts from the file. OTOsuite Manuals was installed on your PC when you installed OTOsuite. You can OTOsuite Manuals Start open from the Windows menu. Otometrics - AURICAL Aud...
  • Page 70 2 Navigating in the OTOsuite Audiometry Module Otometrics - AURICAL Aud...

  • Page 71: Preparing For Testing

    Preparing for testing It is important to prepare properly before making measurements with AURICAL Aud and the OTOsuite software. It is time- saving for both you and the client if the environment, the client, the test device, and the software are ready for the test.

  • Page 72: Listening Check

    • Make sure AURICAL Aud is switched on. • Make sure the connection between the Audiometry module and AURICAL Aud is enabled. Configuring the Audiometry Module ► 101 Listening check Perform listening checks routinely to make sure that the equipment is functioning properly.
  • Page 73 1. Move any hair covering the mastoid out of the way and place the flat round part of the bone oscillator securely on the boniest portion of the mastoid without any part of the transducer touching the external ear. 2. Make sure the bone oscillator is tight on the mastoid but still comfortable. Otometrics - AURICAL Aud...
  • Page 74 3. If you are going to perform masking with earphones, position the other end of the bone oscillator headband over the patient's temple on the opposite side of the head so that the headband of the earphones and bone oscillator fit on the patient's head. Otometrics - AURICAL Aud...

  • Page 75: Examples Of Audiometric Testing

    Talk to the patient occasionally. Encourage the patient to concentrate on the task. This will keep your patient from getting bored or becoming an unreliable responder. 14. Switch to the other ear and tell the patient to listen for the sounds in that ear. 15. Repeat steps Otometrics - AURICAL Aud...

  • Page 76: Assessing Pure Tone Or Speech Most Comfortable Loudness Level (Mcl)

    3. Make sure that the control panel of the OTOsuite software is set to the correct transducer and desired routing and sound level. – Make sure that uncomfortable loudness testing (UCL) is selected. Otometrics - AURICAL Aud...

  • Page 77: Assessing Speech Reception Threshold (Srt) Using The Hughson/Westlake Procedure

    2. Instruct the patient so that he/she will know what to expect: "You will hear various words, like bird, dog, etc. When you hear a word, repeat it back to me. This time the words will all be loud enough to hear. It is okay to guess if you are unsure of the word." Otometrics - AURICAL Aud...

  • Page 78: Special Tests

    9. If the patient indicates that the tone is no longer audible or changes pitch before one minute passes, increase the level of the tone by 5 dB. – Reset the timer when you increase the level and begin timing again. Otometrics - AURICAL Aud...

  • Page 79: Performing A Pure Tone Stenger

    Set the level for the better ear at 10 dB above recorded SRT and set the level in the poorer ear at 10 dB below recorded SRT. Stenger 5. Make sure that the box has appeared in the display. Stim. Lock 6. Make sure that is enabled and present the word to both ears simultaneously. Otometrics - AURICAL Aud...

  • Page 80: Performing Weber

    6. Strike the fork again. 7. Hold the fork for 2-3 seconds and then place it in front of the patient's ear. Note The time interval from initial stimulus perception to inability to hear the tone. • Otometrics - AURICAL Aud...

  • Page 81: Performing Alternate Binaural Loudness Balancing (Ablb) Test

    9. Change the SISI dB step to 1 dB. Set the level 20 dB above the patient's threshold for that frequency in that ear and Play press the button. 10. Store the data points. 11. Repeat steps for additional frequencies. Otometrics - AURICAL Aud...

  • Page 82: Testing With Sound Files

    Word list control 4. If you like to change index during playback, just change index in the and it will keep on playing from that position. Otometrics - AURICAL Aud...

  • Page 83: Performing Sound-Field Speech Audiometry Off Site

    AURICAL Aud, for example, in your consultation office. However, you may want to take AURICAL Aud with you to perform sound-field speech audiometry in other locations, such as in a client's home or in a nursing home.

  • Page 84: Using Manual Speaker Calibration Values

    4.4.3 Using manual speaker calibration values After you perform a manual calibration of the AURICAL Aud speakers, you can use the values for the room where the cal- ibration was performed. To use the manual calibration values: Portable Sound-Field Audiometry 1.

  • Page 85: Unpacking And Installing

    Unpacking and Installing This section applies to AURICAL Aud as well as to the various accessories available. If the accessories are not part of your configuration, disregard the instructions relating to the accessories. To install and get started with AURICAL Aud and the OTOsuite Audiometry Module, follow the sequence below: •...

  • Page 86: Unpacking

    Storing If you need to store AURICAL Aud before you put it into operation, follow the guidelines below: • Store AURICAL Aud and accessories in the boxes provided to protect the equipment from damage.

  • Page 87: Aurical Aud - With Hi-Pro 2

    5 Unpacking and Installing Rear view - for attaching to mounting plate Slot for attaching to mounting plate 5.4.2 AURICAL Aud - with HI-PRO 2 Desktop version Mounted on AURICAL speaker unit HI-PRO 2 power indicator and connectors for hearing AURICAL Aud with HI-PRO 2...

  • Page 88: Aurical Speaker Unit

    AURICAL speaker unit with speaker cover removed Charger for AURICAL FreeFit AURICAL speaker unit with speaker cover in place Connection panels 5.5.1 AURICAL Aud connection panel Caution Install OTOsuite on the PC before you connect to AURICAL Aud from the PC. • Otometrics - AURICAL Aud...
  • Page 89 It is a general rule for all electrical equipment used in the proximity of the client that: • The connected equipment must comply with IEC 60601-1 and/or IEC 60601-1-1 except for the PC, and equipment connected to the line in and the line out sockets of AURICAL Aud. See also Warning notes ► 115 Configuring the Audiometry Mod- When you have connected the accessories, configure your system setup.
  • Page 90 To connect AURICAL Aud to the mains supply, plug the mains plug into the wall mains outlet. To disconnect AURICAL Aud from the mains supply, pull the mains plug out of the wall mains outlet. Do not pos- ition the unit so that it is difficult to pull the mains plug out of the wall mains.
  • Page 91 When you connect other electrical equipment to AURICAL Aud, remember that equipment that does not • comply with the same safety standards as AURICAL Aud can lead to a general reduction in the system's safety level. Operator monitor headset - headphones •...

  • Page 92: Built-In Hi-Pro 2 Connection Panel

    For standards and warning notes see PC Com light indicator This light indicator lights up green during self-test when AURICAL Aud is powered on. If the light indicator flashes, the self-test has failed, and there is a communication error. Power light indicator This light indicator lights up green when AURICAL Aud is powered on.

  • Page 93: Assembling Aurical Aud

    • The connected equipment must comply with IEC 60601-1 and/or IEC 60601-1-1 except for the PC, and equipment connected to the line in and the line out sockets of AURICAL Aud. • To access the AURICAL speaker unit connection panel, remove the speaker cover.

  • Page 94: Desktop Or Wall Installation

    AURICAL Aud is fully assembled on delivery, and you simply have to connect cables. If AURICAL Aud is to be mounted under the desk top or on the wall, mount the mounting plate under the desk or on the Desktop or wall installation ► 94 wall, and click AURICAL Aud onto the mounting plate.

  • Page 95: Connecting Accessories And Pc To Aurical Aud

    2. Connect AURICAL Aud to the PC with the USB cable supplied. Caution To connect AURICAL Aud to the PC, use the supplied USB cable. The cable length must not • exceed 3 m (approx. 10 feet).

  • Page 96: Connecting Cables To The Aurical Speaker Unit

    Connecting cables to the AURICAL speaker unit ► 96 speaker unit and AURICAL Aud as described in 2. When you connect AURICAL Aud to the AURICAL speaker unit, gently press the cables into the cable guides on the front of the speaker.
  • Page 97 3. When you have completed connecting the cables, plug the external power supply cable into the mains outlet. Connecting the 24V DC power supply cable to AURICAL Aud 1. Plug the power supply cable between the speaker and AURICAL Aud into this socket.

  • Page 98: Connecting Accessories And Pc To Aurical Aud

    1. Connect the accessories to AURICAL Aud. See 2. Connect AURICAL Aud to the PC with the USB cable supplied. Caution To connect AURICAL Aud to the PC, use the supplied USB cable. The cable length must not • exceed 3 m (approx. 10 feet).

  • Page 99: Mounting Aurical Aud On The Aurical Speaker Unit

    AURICAL speaker unit. Powering AURICAL Aud AURICAL Aud is powered through an external power supply connected directly to the mains outlet. Switching on AURICAL Aud Power supply ► 127 Use only the power supply specified in Technical Specifications, 1.
  • Page 100 5 Unpacking and Installing Otometrics - AURICAL Aud...

  • Page 101: Configuring The Audiometry Module

    With AURICAL Aud, SISI and ABLB can be used for actual testing. The remaining test types are only for viewing data, and accordingly, there are no control panels available for these test types when you use AURICAL Aud.
  • Page 102 You can define how SRT data is stored in NOAH by selecting the appropriate type of speech material designation. This enables proper viewing in NOAH AUD. Enable Portable Sound-Field • Select to allow manual calibration of speaker signal for free-field speech audi- Audiometry ometry. Otometrics - AURICAL Aud...

  • Page 103: Communicating With The Device

    Communicating with the device Connecting to the device OTOsuite is designed to communicate with and display test data generated by Otometrics test devices. • When you start up OTOsuite, click on the Control Panel icon. OTOsuite will automatically connect to the test device.
  • Page 104 7 Communicating with the device Otometrics - AURICAL Aud...

  • Page 105: Aurical Aud With Hi-Pro

    AURICAL Aud with HI-PRO 2 Description HI-PRO 2 is built into AURICAL Aud, and powers on when AURICAL Aud is powered on. Self-test On power-up, the PC Com Power light indicators both flash once to indicate that a brief self-test is in progress. PC Com If only the light indicator flashes, the self-test has failed and you should try powering on again.

  • Page 106: Tuning The Aurical Aud Speaker For Use With Third-Party Applications

    If small changes have been made to the environment where you are using AURICAL Aud, such as moving the test person or adding a single additional person to the room, you can run Quick RoomTune to adjust the RoomTune data.

  • Page 107: Using Roomtune In A New Environment

    9 Tuning the AURICAL Aud speaker for use with third-party applications 1. Make sure that AURICAL Aud is connected in OTOsuite. (Select your device in the configuration wizard.) 2. Make sure that the firmware is up-to-date. (Open the Audiometry control panel. If there is new firmware, you will be prompted to update it.)

  • Page 108: Using Roomtune To Keep Aurical Aud Speakers In Tune

    Close 6. Click Using the AURICAL Aud speaker In order to use the AURICAL Aud speaker for your intended use, you may need to set the AURICAL Aud speaker as your default playback device in Windows. Caution Beware that certain events such as warnings from various applications may cause sounds to be played •...

  • Page 109: Cancelling Faulty Roomtune Data

    9 Tuning the AURICAL Aud speaker for use with third-party applications Cancelling faulty RoomTune data If you have RoomTune equalization data that is incorrect, for example, if you have run RoomTune and then found out that the microphone was incorrect or unreliable, you may want to reset RoomTune to ensure that incorrect data is not acci- dentally used.

  • Page 110: Exiting Roomtune

    9 Tuning the AURICAL Aud speaker for use with third-party applications Exiting RoomTune When the RoomTune icon is in the system tray, the RoomTune application continues to run in the background even if no RoomTune window is open. To close all RoomTune processes, you must exit the application.

  • Page 111: Maintenance And Calibration

    10.1 Service and repair It is recommended that you keep the packing material in which AURICAL Aud was delivered. If you need to send it in for service, the original packing material will ensure protection against damage during transport, etc.

  • Page 112: Calibration

    Pa, and force levels (dB re 1 Caution Note that calibration has been performed only on the transducers supplied! If you wish to use any other • transducer for testing with the device, please contact your local distributor first. Otometrics - AURICAL Aud...

  • Page 113: Troubleshooting

    Cause Solution The HI-PRO 2 PC Com • There is a communication failure • Power the audiometer off and then back on by light indicator flashes between the PC and HI-PRO 2 disconnecting it from the mains supply. Otometrics - AURICAL Aud...
  • Page 114 11 Troubleshooting Otometrics - AURICAL Aud...

  • Page 115: Standards And Safety

    This requirement applies in the European Union. Do not dispose of these products as unsorted municipal waste. You can return your device and accessories to Otometrics, or to any Otometrics supplier. You can also con- tact your local authorities for advice on disposal.

  • Page 116: General Warning Notes

    1. This class of equipment is allowed in domestic establishments when used under the jurisdiction of a health care pro- fessional. 2. AURICAL Aud is intended for diagnostic and clinical use by audiologists and other trained health care professionals in testing the hearing of their patients.
  • Page 117 Many types of electrical devices, e.g. mobile telephones, may generate radio fields. We recommend that the use of such devices in the vicinity of AURICAL Aud be restricted. Likewise, we recommend that the instrument is not used in the vicinity of devices sensitive to electromagnetic fields.

  • Page 118: The Otosuite Audiometry Module

    • The equipment is used in accordance with the instructions for use. The manufacturer reserves the right to disclaim all responsibility for the operating safety, reliability and performance of equipment serviced or repaired by other parties. Otometrics - AURICAL Aud...

  • Page 119: Technical Specifications

    Technical specifications 13.1 AURICAL Aud Type identification AURICAL Aud is type 1081 from GN Otometrics A/S. Channels Two separate and identical channels. Frequency range Insert earphones: Standard frequencies: 125 - 8000 Hz TDH39 earphones: Standard frequencies: 125 - 12500 Hz HDA 200/HDA 300: Standard frequencies: 125 - 12500 Hz ME-70: Standard frequencies: 125 - 12500 Hz...
  • Page 120 This table indicates the attenuator settings required to obtain a sound pressure level of 80 dB SPL at indicated frequencies. Stimulus modulation FM (Warble): Adjustable modulation rate and depth • Modulation rate: 1-20 Hz (default: 5 Hz). • Modulation depth: 1-25% of center frequency (default: 5%). SISI: 5, 2, 1 dB increments Otometrics - AURICAL Aud...
  • Page 121 The reference conditions for the specification of frequency response and sound pressure level depend on the type of audi- ometer. AURICAL Aud can be calibrated as either a “corrected” (Type AE) or “uncorrected” (Type A) speech audiometer: Type AE calibration: •...
  • Page 122 6000 8000 Distortion of signals occurs for higher stimulus levels. AURICAL Aud complies with IEC and ANSI standards with respect to maximum distortion. The following specification from IEC 60645-1:2001 applies: Specification of allowable distortion levels for airborne sound (test level and distortion)
  • Page 123 - For children and below normal skull size HB7 shall be applied (HB7 provides a greater force required to accommodate smaller skull size) For audiometric testing outside of noise attenuating test rooms, Otometrics recommends using earphones which feature passive noise reduction. For the applicable earphone models, the attenuation is specified in the following table.
  • Page 124 Input voltage: 0.002 to 0.02 Vrms Ω • Input resistance: 2.21 k • 3.5 mm (1/8 inch) jack USB 2.0 hub: • with 3 powered USB ports 24V DC power supply: • DC power, 2.5 mm Otometrics - AURICAL Aud...
  • Page 125 Additionally, AURICAL Aud includes a feature which allows the operator to select the maximum output level from a bone oscillator . Using this feature, the maximum output may be set lower than the physically available output level (installation option).
  • Page 126 700 hPa to 1060 hPa. (Operation in temperatures exceeding -20°C (-4°F) or +60°C (140°F) may cause permanent damage.) Warm-up time < 5 min. Note Should be extended if AURICAL Aud has been stored in a cold environment. • Otometrics - AURICAL Aud...

  • Page 127: Hi-Pro 2 (Built-In)

    13 Technical specifications Disposal AURICAL Aud can be disposed of as normal electronic waste, according to WEEE and local regulations. Dimensions AURICAL Aud: Approx. 275 x 205 x 60 mm, (10.8 x 8.0 x 2.4 inches) Weight AURICAL Aud with HI-PRO 2: Approx.
  • Page 128 13 Technical specifications Accessories • Test software. See the AURICAL Aud Service Manual. 13.3 AURICAL speaker unit Interfaces USB port output, type A Primarily for USB Bluetooth dongle USB port input, type B USB connection from PC 24V DC in DC power, 2.5 mm 24V DC throughput DC power, 2.5 mm...

  • Page 129: Notes On Emc (Electromagnetic Compatibility)

    Guidance and manufacturer's declaration - electromagnetic emissions for all equipment and systems AURICAL Aud is intended for use in the electromagnetic environment specified below. The user of AURICAL Aud should ensure that it is used in such an envir- onment.
  • Page 130 Guidance and manufacturer's declaration - electromagnetic immunity - for equipment and systems that are NOT life-supporting AURICAL Aud is intended for use in the electromagnetic environment specified below. The user of AURICAL Aud should ensure that it is used in such an envir- onment.
  • Page 131 TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which AURICAL Aud is used exceeds the applicable RF compliance level above, the AURICAL Aud should be observed to verify normal operation.
  • Page 132 Recommended separation distances between portable and mobile RF communications equipment and AURICAL Aud The AURICAL Aud is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the AURICAL Aud can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the AURICAL Audas recommended below, according to the maximum output power of the communications equipment.

  • Page 133: Index

    Curves and symbols 30 selecting 16 Bone oscillator connection 91 Firmware update, test devices (Aud.) 103 Frequency Calibration 112 specifications 119 certificate 112 Frequency range, audiogram portable audiometry 83 viewing 15 CD/tape connections 91 FRESH noise 23 Otometrics - AURICAL Aud...
  • Page 134 Line output the user interface 13 connections 91 Overlays feature box;Feature box overlays 33 Main window viewing 15 OTOsuite 13 Maintenance 111 Manufacturer 118 Patient responder 16 Masking assistant connection 91 enabling/disabling 14 PC/USB connection 89 Otometrics - AURICAL Aud...
  • Page 135 Sound level measurement 109 Power supply Speaker connection 90 coaxial digital output con- nection 90 Powering connections 90 problems, AURICAL Aud 113 Speaker connections 91 Preparing for testing Special tests AURICAL Aud 71 how to 78 inspecting the client’s ear 72 Specifications...
  • Page 136 Index Test devices Using AURICAL Aud speaker with fit- ting software 106 connecting 103 information about 103 views 86 View menu Test devices (Audiometry) audiogram legend 15 firmware update 103 combined audiogram 15 Test report 112 frequency range 15 Tests...

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