interacoustics aa222 audio traveller

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Interacoustics AA222 Instructions For Use Manual

• Instructions for use manual (1061 pages)
• Additional information (74 pages)
• page of 93 Go / 93

Table of Contents

1 introduction.

• About this Manual
• Contraindications for Performing Impedance Audiometry
• Product Description
• Warnings and Precautions

2 Unpacking and Installation

• Unpacking and Inspection
• Important Safety Instructions
• Changing Probe System
• Safety Precautions to Take When Connecting the AA222

3 Operating Instructions

• AA222 Operation Panel
• Instrument Settings
• View Historical Sessions
• Save Session
• Calibration Cavities
• Handling and Selection of Ear Tips
• Probe Status
• Tympanometry Test Screen
• Reflex Test Screen
• Reflex Decay Test Screen
• Reflex Latency Test Screen (Extended License)
• Eustachian Tube Function - Non-Perforated Eardrum
• Eustachian Tube Function - Perforated Eardrum
• Eustachian Tube Function - Patulous Eustachian Tube (Extended License)
• Tone Audiometry Test Screen
• PC Power Configuration
• Starting from Otoaccess
• Starting from Noah 4
• Crash Report
• Instrument Setup
• Using IMP Sync
• Using AUD Sync
• Client Upload
• Session Download

4 Maintenance

• General Maintenance Procedures
• Cleaning the Probe Tip
• Periodic Calibration

5 Technical Specifications

• Calibration Properties
• Impedance - Frequencies and Intensity Ranges
• Audiometry - Survey of Reference and Max Hearing Level Tone Audiometry
• Pin Assignments
• Electromagnetic Compatibility (EMC)

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Summary of Contents for Interacoustics AA222

• Page 1 Instructions for Use - US AA222 Impedance Audiometer D-0113177-C – 2017/11...
• Page 3 Instructions for Use - US Impedance Audiometer AA222...

Page 5: Table Of Contents

• Page 6 Maintenance ........................57 General maintenance procedures ..................57 Cleaning the probe tip ......................59 Repair ........................... 60 Warranty ..........................60 Periodic calibration ....................... 61 Technical specifications ....................63 Calibration Properties ......................68 Reference equivalent threshold values for transducers ............72 5.2.1 Impedance - Frequencies and intensity ranges ............

Page 7: Introduction

Page 8: product description, page 9: warnings and precautions.

• Page 10 AA222 Instructions for Use - US Page 4...

Page 11: Unpacking And Installation

Page 12: symbols.

• Page 13 AA222 Instructions for Use - US Page 7 Transport and storage humidity limitations ETL CL ASSIFIED ETL listing mark 4005727 C o n fo rms to ANSI/AAM I ES6 0 6 0 1 -1 :2 0 0 5 /A1 :2 C erti fi ed to C AN/C SA-C 2 2 .2 No .

Page 14: Important Safety Instructions

• Page 15 4. Use of accessories, transducers and cables other than specified, with the exception of transducers and cables sold by Interacoustics or representatives, may result in increased emission or decreased immunity of the equipment. For a list of accessories, transducers and cables that fulfil the requirements please refer to section 5.3.

Page 16: Connections

Page 17: changing probe system.

• Page 18 AA222 Instructions for Use – US Page 12 Please follow the instructions below. Fig 1. AA222 used with the medically approved power supply UE60-240250SPA3. Fig. 2. AA222 used with a medically approved safety transformer and a wired connection to a PC.

Page 19: License

• Page 20 AA222 Instructions for Use – US Page 14...

Page 21: Operating Instructions

Page 22: aa222 operation panel.

• Page 23 AA222 Instructions for Use – US Page 17 Tymp Enters the impedance module, and adds or removes a tympanometry measure to the protocol. Reflex Enters the impedance module, and adds or removes an ipsi lateral or contra lateral reflex test protocol.
• Page 24 With the activation of this monitor, presentation to the patient from e.g. CD can be heard through the built in monitor of the AA222 or monitor headset. Adjust the monitor gain by long pressing on the button. Channel 1 using wheel (34), channel 2 using wheel (38).
• Page 25 Up is used to increase in frequency during audiometry. Correct is used during speech audiometry for storing a correct word. The AA222 has an incorporated automatic speech score counter. Therefore as a second function you can use this button as a “Correct” button when performing speech tests.

Page 26: Startup

• Page 27 If the AA222 is connected to the Diagnostic Suite, your PC will automatically update the date and time. Printer Under Printer type you can select which printer is connected to the USB port of your AA222. By default, the Sanibel MPT-III thermal printer is selected. The list below shows the printers...

Page 28: About

Page 29: clients and session handling.

• Page 30 AA222 Instructions for Use – US Page 24 Press to proceed. Follow the procedure as above to enter the family name. Press to proceed. Press to save the client.

Page 31: View Historical Sessions

Page 32: save session, page 33: operating instructions - impedance, page 34: probe status, page 35: tympanometry test screen.

• Page 36 AA222 Instructions for Use – US Page 30 Press Next Test to select the next test in the protocol list. Press Include to select, or Exclude to deselect the checkbox of the currently viewed test (F) and thereby include or exclude it from testing.

Page 37: Reflex Test Screen

• Page 38 AA222 Instructions for Use – US Page 32 Pressing the arrow down button moves the reflex selection to the next reflex row. Moving the selection sideways is done with the wheel (19). Pressing Change Status toggles the status of the currently selected reflex (Q).

Page 39: Reflex Decay Test Screen

Page 40: reflex latency test screen (extended license).

• Page 41 AA222 Instructions for Use – US Page 35 The following information is available during testing: The non-compensated tympanometry curves. The equivalent ear canal volume where the acoustic admittance (Y) at the starting pressure of the first tympanogram is taken as the reference value.

Page 42: Eustachian Tube Function - Perforated Eardrum

Page 43: eustachian tube function - patulous eustachian tube (extended license), page 44: operating instructions - audiometry.

• Page 45 AA222 Instructions for Use – US Page 39 Function Key Description Use the tone switch (35) to present a sound to the client. The stimulus area will light up when a sound is being presented. This visualizes the dial setting of the stimulus intensity which can be changed by rotating the wheel (34).
• Page 46 AA222 Instructions for Use – US Page 40 Change the condition indication; None, Aided, Binaural, or Aided and Binaural. Only available during free field testing hardkey (24). Switch between magnified top bar and normal-sized top bar. Show and hide the display of the masking table (N).
• Page 47 AA222 Instructions for Use – US Page 41 3.7.1.2 ABLB - Fowler ABLB (Alternate Binaural Loudness Balancing) is a test to detect perceived loudness differences between the ears. The test is designed for people with unilateral hearing loss. It serves as a possible test for recruitment.
• Page 48 AA222 Instructions for Use – US Page 42 3.7.1.4 Speech audiometry Speech audiometry has the advantage of using a speech signal and is used to quantify the patient’s ability to understand everyday communication. It examines the patient’s processing ability in relation to the degree and type of their hearing loss which can vary greatly between patients with the same hearing loss configuration.
• Page 49 AA222 Instructions for Use – US Page 43 Function Key Description SR (Speech SR is the speech recognition in 0-100%. Recognition) / SD SD is the speech discrimination in 0-100%. (Speech Discrimination) Intensity scale The intensity scale ranging from -10 to 120 dB HL.
• Page 50 AA222 Instructions for Use – US Page 44 When the Wavefile test is started, the F-buttons will change to recording mode. Play Resume Pause Manual forward. Pressing shift with this button will allow for manual reverse. Stop playing the wave files.
• Page 51 AA222 Instructions for Use – US Page 45 3.7.1.7 Weber The Weber test distinguishes between conductive and sensorineural hearing loss through use of a bone conductor. Use the indications to show where the tone is perceived. If the patient hears the tone better in the poorer ear, then the hearing loss is conductive, and if the tone is heard better in the better ear the hearing loss is sensorineural at the given frequency.
• Page 52 AA222 Instructions for Use – US Page 46 3.7.1.8 Auto: Hughson-Westlake Hughson-Westlake is an automatic pure tone test procedure. The threshold of hearing is defined as 2 out of 3 (or 3 out of 5) correct responses at threshold level in a 5dB increase and a 10dB decrease test procedure.
• Page 53 AA222 Instructions for Use – US Page 47 3.7.1.9 QuickSIN test (optional) The QuickSIN test was developed to provide a quick estimate of SNR loss. A list of six sentences with five key words per sentence is presented in four-talker babble noise. The sentences are presented at pre- recorded signal-to-noise ratios which decrease in 5-dB steps from 25 (very easy) to 0 (extremely difficult).
• Page 54 AA222 Instructions for Use – US Page 48 3.7.1.10 SISI (short increment sensitivity index) SISI is designed to test the ability to recognize a 1dB increase in intensity during a series of bursts of pure tones presented 20 dB above the pure tone threshold for the test frequency. It can be used to differentiate between cochlear and retrocochlear disorders, as a patient with a cochlear disorder will be able to perceive the increments of 1 dB, whereas a patient with a retrocochlear disorder will not.

Page 55: Operating In Sync Mode (Only With The Diagnostic Suite)

Page 56: instrument setup, page 57: using sync mode.

• Page 58 AA222 Instructions for Use – US Page 52 Toggle Ear changes from right to left ear and vice versa. List of Defined Protocols allows viewing which protocol was used for historic sessions. Temporary setup allows viewing the used settings for historic sessions.

Page 59: Using Aud Sync

• Page 60 AA222 Instructions for Use – US Page 54 Speech test shows the speech graph or speech table. Extended range allows opening the highest intensities of the currently selected transducers. List of Defined Protocols allows viewing which protocol was used for historical sessions.

Page 61: Sync Mode

Page 62: session download, page 63: maintenance.

• Page 64 AA222 Instructions for Use – US Page 58 CAUTION • Before cleaning always switch off and disconnect from the power supply • Follow local best practice and safety guidelines if available • Use a soft cloth lightly dampened with cleaning solution to clean all exposed surfaces •...

Page 65: Cleaning The Probe Tip

Page 66: repair, page 67: periodic calibration.

• Page 68 AA222 Instructions for Use – US Page 62...

Page 69: Technical Specifications

• Page 70 AA222 Instructions for Use – US Page 64 Manual control of all functions. Eustachian tube Williams test function 1 - Non perforated eardrum Eustachian tube Toynbee test function 2 - Perforated eardrum Eustachian tube Continuous sensitive impedance measurement function 3 - Patulous...
• Page 71 AA222 Instructions for Use – US Page 65 Headband Static Force 4.5N ±0.5N Transducers DD45 Headband Static Force 4.5N ±0.5N TDH39 Headband Static Force 8.8N ±0.5N HDA300 HDA280 Headband Static Force 4.5N ±0.5N Headband Static Force 5.4N ±0.5N Headband Static Force 5.4N ±0.5N E.A.R Tone 3A/5A...
• Page 72 AA222 Instructions for Use – US Page 66 Speech Frequency Response: (Typical) Frequecy Linear (dB) FFequv (dB) (Hz) Ext sign Int. Ext sign Int. Sign Sign TDH39 125-250 +0/-2 +0/-2 +0/-8 +0/-8 (IEC 60318-3 250- +2/-2 +2/-1 +2/-2 +2/-2 Coupler)
• Page 73 AA222 Instructions for Use – US Page 67 External keyboard Standard keyboard (for data entry) Input 100uVrms at max. gain for 0dB reading Specifications Input impedance : 3.2kOhm 7mVrms at max. gain for 0dB reading Input impedance : 47kOhm 100uVrms at max. gain for 0dB reading Input impedance : 3.2kOhm...

Page 74: Calibration Properties

• Page 75 AA222 Instructions for Use – US Page 69 Probe tones 0 meters 500 meters 1000 meters 2000 meters 4000 meters 226 Hz 1.0 mmho 1.06 mmho 1.13 mmho 1.28 mmho 1.65 mmho 678 Hz 3.0 mmho 3.19 mmho 3.40 mmho 3.85 mmho...
• Page 76 Stimulus Correction Values 47.5 41 25.5 24.5 11.5 1000 1500 21 (1600 Hz) 2000 11.7 3000 -0.8 -0.5 31 (3150 Hz) 4000 -1.6 -0.8 6000 15.5 20.5 3 26 (6300 Hz) 8000 *All figures in bold are Interacoustics Standard values.
• Page 77 The performance and specifications of the instrument can only be guaranteed if it is subject to technical maintenance at least once per year. This should be carried out by a workshop authorized by Interacoustics. Interacoustics puts diagrams and service manuals at the disposal of authorized service companies.

Page 78: Reference Equivalent Threshold Values For Transducers

Page 79: audiometry - survey of reference and max hearing level tone audiometry.

• Page 80 AA222 Instructions for Use – US Page 74 Pure Tone max HL Transducer DD45 TDH39 HDA280 DD450 HDA300 EAR3A IP30 EAR5A 10 Ω 10 Ω 37 Ω 40 Ω 23 Ω 10 Ω 10 Ω 10 Ω 68 Ω 10 Ω...
• Page 81 AA222 Instructions for Use – US Page 75 NB noise max HL Transducer DD45 TDH39 HDA280 DD450 HDA300 EAR3A IP30 EAR5A 10 Ω 10 Ω 37 Ω 40 Ω 23 Ω 10 Ω 10 Ω 10 Ω 68 Ω 10 Ω...
• Page 82 AA222 Instructions for Use – US Page 76 IEC Speech RETSPL Transducer DD45 TDH39 HDA280 DD450 HDA300 EAR3A IP30 EAR5A 10 Ω 10 Ω 37 Ω 40 Ω 23 Ω 10 Ω 10 Ω 10 Ω 68 Ω 10 Ω...
• Page 83 AA222 Instructions for Use – US Page 77 IEC Speech max HL Transducer DD45 TDH39 HDA280 DD450 HDA300 EAR3A IP30 EAR5A 10 Ω 10 Ω 37 Ω 40 Ω 23 Ω 10 Ω 10 Ω 10 Ω 68 Ω 10 Ω...
• Page 84 AA222 Instructions for Use – US Page 78 Norway Speech RETSPL Transducer DD45 TDH39 HDA280 DD450 HDA300 EAR3A IP30 EAR5A 10 Ω 10 Ω 37 Ω 40 Ω 23 Ω 10 Ω 10 Ω 10 Ω 68 Ω 10 Ω...
• Page 85 AA222 Instructions for Use – US Page 79 Free Field ANSI S3.6-2010 Free Field max SPL ISO 389-7 2005 Free Field max HL is found by subtracting the selected RETSPL value Binaural to Binaural Free Field Line Monaural 0° 45°...
• Page 86 AA222 Instructions for Use – US Page 80 Equivalent Free Field Speech Audiometer TDH39 DD45 HDA280 DD450 HDA300 IEC60645-2 1997 PTB – DTU ISO389-8 2004 PTB 2013 2010 ANSI S3.6-2010 Coupler IEC60318-3 IEC60318-3 IEC60318-3 IEC60318-1 IEC60318-1 Frequency -17,5 -21.5 -15,0 -5,0 -12.0...
• Page 87 AA222 Instructions for Use – US Page 81 Sound attenuation values for earphones Frequency Attenuation TDH39/DD45 with MX41/AR or PN 51 EAR 3A IP30 EAR 5A DD450 HDA300 Cushion [Hz] [dB]* [dB]* [dB]* [dB] 12.5 12.7 1000 12.8 1250 1500...

Page 88: Pin Assignments

• Page 89 AA222 Instructions for Use – US Page 83 HDMI 1. TMDS Data2+ 2. TMDS Data2 Shield 3. TMDS Data2- 4. TMDS Data1+ 5. TMDS Data1 Shield 6. TMDS Data1- 7. TMDS Data0+ 8. TMDS Data0 Shield 9. TMDS Data0- 10. TMDS Data Clock+ 11.

Page 90: Electromagnetic Compatibility (Emc)

• Page 91 RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the AA222 is used exceeds the applicable RF compliance level above, the AA222 should be observed to verify normal...
• Page 92 AA222 Instructions for Use – US Page 86 Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m. To ensure compliance with the EMC requirements as specified in IEC 60601-1-2, it is essential to use only...
• Page 93 Other : Date : Person : Please provide e-mail address or fax No. to whom Interacoustics may confirm reception of the returned goods: The above mentioned item is reported to be dangerous to patient or user In order to ensure instant and effective treatment of returned goods, it is important that this form is filled in and placed together with the item.

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AA222 (New)

• Audiometry The AA222 has testing capabilities for air and bone conduction as well as speech. Dual inputs for a tape or CD player allow the examiner to conduct binaural recorded speech tests and other competing message tests for central auditory processing or hearing aid evaluations. Other tests include pure tone and Stenger speech, ABLB, Auto Threshold (Hughson-Westlake method) and SISI. Outputs are available to connect external speakers and with an appropriate amplifier AA222 will produce 90dB or more of speech in a typical sound room environment. Separate software calibration for all transducers allows the exchange of insert phones or traditional TDH39 phones with the push of a button.  
• Tympanometry Perfect method for obtaining a tympanogram on crying children or difficult to test patients when physical sealing is difficult. An automatic adaptive pump speed produces tympanograms with high peak resolution without sacrificing test time. With the push of one button you can extend the pressure range from +300 daPa to �600 daPa. Switch between left or right ears for labeling tests with the push button. Another button labeled "child" automatically produces a moving "choo-choo train" as a visual distracter for the child. Additional high-frequency probe tones for Y-component testing in addition to the traditional 226Hz tone. With the push of a single button, the AA222h will switch to a 678, 800 or 1000 Hz probe tone which is considered more suitable for screening neonates.

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Interacoustics AA222

A hybrid middle ear analyzer and audiometer, the Interacoustics AA222 is one of the most comprehensive combination units available today.

It’s great for any stationary or portable application where testing of air and bone conduction, tympanometry, reflexes, and speech are performed.

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Impedance test battery

Tymp 678, 800 & 1000Hz (h-license)

Manual tympanometry (h-license)

Ipsilateral Reflex

Contralateral Reflex

ETF 1 test non-perforated tympanic membrane

ETF 2 test perforated tympanic membrane

ETF 3 patulous tympanic membrane (h-license)

Releex decay

Manual latency (h-license)

Audiometry test battery

Air & bone conduction

Modified Hughson-Westlake

Speech CD, wave files & live

QuickSIN (optional)

Binaural speech (optional)

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Audio traveller aa222 operation manual october 2008.

Operation Manual

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Instructions for Use - GB

Audio Traveller AA222

AA222 Instruction for Use - English Date: 2002-09-24

Intended Use The AA222 is a combined automatic impedance audiometer and audiometer suited for clinics performing screening, as well as diagnostic work. The test battery includes tympanometry, acoustic reflex testing, ipsilateral and contralateral reflex decay testing, Eustachian tube function test and AC audiometry. The AA222 tympanometer and audiometer is intended to be used by an audiologist, hearing healthcare professional, or trained technician in a quiet environment (tymp and reflexes) and extremely quiet environment (Audiometry). Careful handling of instrument whenever in contact with patient should be of high priority. Calm and stable positioning while testing is preferred for optimal accuracy. It is recommended that the instrument be operated within an ambient temperature range of 15-35 degree Celsius (59-95 degrees Fahrenheit).

Precautions Notice - Be sure to insert the probe tip in a way, which will assure an air tight fit without causing any harm to the patient. Using a proper and clean ear tip is mandatory. Notice - We recommend using a new ear tip for each patient. If the clinician rinses the ear tips they should be subjected to standard disinfecting procedure between patients. This includes physically cleaning the ear tip and use of a recognised disinfectant. Individual manufacturer's instruction should be followed for use of this disinfecting agent to provide an appropriated level of cleanliness. Notice - Be sure to use only stimulation intensities, which will be acceptable for the patient. Notice - The transducers (headphones, bone conductor, etc.) supplied with the instrument are calibrated to this instrument - exchange of transducers require a re-calibration. Notice - It is recommended that parts which are in direct contact with the patient (e.g. earphone cushions) are subjected to standard disinfecting procedure between patients. This includes physically cleaning and use of a recognised disinfectant. Individual manufacturer's instruction should be followed for use of this disinfecting agent to provide an appropriated level of cleanliness. Notice - Although the instrument fulfils the relevant EMC requirements precautions should be taken to avoid unnecessary exposure to electromagnetic fields, e.g. from mobile phones etc. If the device is used adjacent to other equipment it must be observed that no mutual disturbance appears Notice - Please note that the CE Marking is only legal if this Instruction is translated into the national language of the user no later than at the delivery to him, if the national legislation demands a text in the national language according to MDD article 4.4. If this apparatus is connected to one or more other devices with medical CE marking, to make up a system or pack, the CE marking is only valid also for the combination if the supplier has issued a declaration stating that the requirements in the Medical Device Directive article 12 are fulfilled for the combination.

Operation Instruction Performing Tympanometry and reflex tests 1. Switch on the instrument Make sure that the power supply is connected correctly to the mains and to the instrument. Now switch on the instrument on the connection panel of the instrument by pressing the power switch (53). 2. Clear memory of instrument Before making a test on a new patient it is always recommended to clear the internal memory of the instrument by holding down ―shift‖ (8) while pressing ―new subject‖ (11). 3. The correct eartip Check the size of the patient‘s ear canal in order to find an appropriate size eartip (6 to 22 mm) and mount it onto the probe tip. It is recommended always to use the eartips supplied by Interacoustics. 4. Select ear Now select the correct ear by pressing ―Right‖ or ―Left‖ (23 or 24) or by pressing the remote switch on the probe. 5. Testing the first ear Take the probe with one hand and insert the probe tip with the eartip mounted into the patient‘s ear canal while, with the other hand, carefully pulling backwards / upwards the pinna to straighten out the ear canal during the insertion. The probe will have an air tight fit when the indication light on the probe is green. When the status ―Leaking‖ or ―Blocked‖ is displayed in the upper right hand corner of the screen under the Status Bar, the indication light on the probe will be yellow. This indicates a bad fitting or a blocked ear tip. When a correct fit has been obtained a tympanometric test is automatically performed on the first ear. By means of the tympanometric test AA222 establishes the correct pressure in the ear canal for the subsequent reflex test. 6. Testing the next ear Now select the next ear by pressing ―Right‖ or ―Left‖ (23 or 24) or by pressing the remote switch on the probe. The test procedure is carried out as in the above section 5. 7. Print out test result To print out the test result from the internal printer press ―Print‖ (9).

Useful Information 

Before starting a test session with tympanometry and reflexes it is possible to select between two pre-programmed reflex setups, namely Test A and Test B. By pressing F6 it is possible to modify the selected Reflex Test A or B, but for the following patient only. Changing the pre-programmed Reflex Test A or B must be done from the Setup, which is reached by pressing F2 while being in the Main Menu.

Tympanometry and Reflexometry can be performed either on their own or automatically with Reflexometry following a Tympanometry Test. The ―Tymp/Reflex‖ key (12) has two indication lights which indicate whether Tympanometry and Reflexometry is performed on their own or together.

After an automatic reflex session it is possible to perform manual reflexes simply by pressing ―Man/Auto‖ (17). Now, by means of ―Frequency Decr/Incr‖ (27 and 28) and ―HL dB‖ rotary dial (29, 30), it is possible to alter the reflex parameters. To present the stimuli for the reflex press ―Tone Switch‖ (31). To store the manual reflex press ―Store‖ (20).

Performing Audiometry tests 1. Switch on the instrument Make sure that the power supply is connected correctly to the mains and to the instrument. Now switch on the instrument on the connection panel of the instrument by pressing the power switch (53). 2. Select Audiometry Now press ―Tone‖ (14) in order to to select the AA222 audiometer function. In order to perform manual audiometry press ―Man/Auto‖ (17). 3. Clear memory of instrument Before making a test on a new patient it is always recommended to clear the internal memory of the instrument by holding down ―shift‖ (8) while pressing ―new subject‖ (11). 4. Communicating with Patient Talk to patient through the built-in swan neck. Simply hold down the ―Talk Forward‖ button (10) in order to talk to the Patient. The volume is controlled by dialing the "HL dB" rotary dial (29). 5. Present Pure Tones Select " Right" (23) or " Left" (24). Present a tone to the patient by touching "Tone Switch" (31). Control intensity by dialing the "HL dB " rotary dial (29) and the frequency by pressing "Frequency Decr Incr " (27) or (28). To be able to present intensities above 100 dB activate "ext. range" (29) by holding down ―shift‖ (8) while dialing the ―HL dB‖ rotary dial (29). 6. Bone Conduction Press "Bone R L" (25) once or twice to select right or left ear. Touch the "Tone Switch" (31) to present a tone to the patient. Control the intensity by dialing the "HL dB " rotary dial (29) and the frequency by pressing "Frequency Decr Incr " (27) or (28). 7. Warble Tones To select warble tones press F5. 8. Pulsed Tone To select pulsing tones press F4. 9. Masking To switch on masking rotate the right hand side "HL dB" rotary dial (30). Masking intensity is controlled by dialing the "HL dB‖ rotary dial (30). To synchronise (lock) the masking channel attenuator with the tone channel attenuator press "Synchr" (F6). To switch off masking hold down "shift" (8) while decreasing the masking intensity with ―HL dB‖ (30).

Auto Threshold In order to perform an automatic threshold test press "Man/Auto" (17). Make sure that the led is switched on below ‖Auto‖. To switch on the auto threshold test press the blinking ―Pause‖ button (11). Now both ears are tested automatically. The thresholds are stored in the internal memory of AA222. A preceding familiarisation procedure for the patient is available by selecting "Famili" (F2).

Storage of Thresholds When performing manual audiometry press "Store" (20) after each threshold is found. Individual storage is available for both ears in AC and BC and for FF1 and FF2.

Storage of UCL values (uncomfortable level) Normally AA222 works in HL. However, by holding down "shift" (8) while pressing "hl/ucl" (25) it is possible to test and store values which will be designated as UCL. When AA222 is in UCL mode this will be indicated in the display.

Delete To delete stored data in a selected mode, AC or BC, Left or Right, simply press ―F1‖. The stored data is deleted for the selected transducer and ear only. In order to delete all data for a patient press ―new subject‖ (11) while holding down―shift‖ (8).

Speech Testing Select "Mic" (15) or "CD1/CD2" (16). Select desired output ―Right‖ or ―Left‖ (23) or (24), ―Bone R L‖ (25) or ―FF 1 2‖ (26). Select desired HL level by rotating the ―HL dB‖ rotary dial (29). Now simply present words. Note: To calibrate speech carried out via the built-in swan neck microphone hold down ―shift‖ (8) while pressing ―Mic‖ (15) for approx. one second. The Ch1 VU meter is now adjust so that VU-meter deflections are just reaching "0" during speech presentation. Press ―Store‖ (20) when calibration has been carried out. This calibration should be carried before every new patient is tested. To calibrate speech carried out via CD1 and /or CD2 hold down ―shift‖ (8) while pressing ―CD1/CD2‖ (16) for approx. one second. The Ch1 VU meter is now adjusted so that VU-meter deflections are just reaching "0" during speech presentation. Press ―CD1/CD2‖ (16) to calibrate Ch 2 in the same way. Press ―Store‖ (20) when calibration has been carried out. This calibration should be carried out only once.

Speech Score While being in speech mode with either "Mic" (15) or ―CD1/CD2" (16) activated, "Incor" (227) and "Correct" (28) are used as buttons to score incorrect and correct answers for automatic speech score calculation.

ABLB, Stenger and SISI To enter the ABLA, Stenger or SISI test press "Function" (18). This is possible only from one of the three Audiometry modes ―Tone‖ (14), ―Mic‖ (15) or ―CD1/CD2‖ (16). In order to select the special test procedure of one of the three individual tests press ―F1, F2 or F3‖ depending on the which of the three tests that is wanted for testing the patient.

AA222 - Operation Panel Dictionary Position:

9 9 + shift 10 11

Print print screen Talk Forward Pause

11 + shift 12

new subject Tymp/Reflex

13 14 15 16 17 18 19

EFT Tone Mic CD1/CD2 Man/Auto Function Monitor TB

Monitor TB Store

20 + shift 21 22 23 24 25 26 27

no response Ipsi Contra Right Left Bone R L FF 1 2 Frequency Decr

Frequency Incr

29 29+shift 30 30 + shiht 31

HL dB ext. range HL dB off Tone Switch

Function keys related to the functions indicated in the display above the individual function key. Pressing ―Back‖ will always take you one level back. Activates the function written in Italic below the buttons 10, 16, 17, 25 and 26. Prints out from internal printer. Prints out the present screen / display. Talk forward to patient Selects manual start of automatic tympanometry, reflexometry and audiometry tests. Clears the internal memory of the instrument. Selects between tympanometry, reflexometry and tympanometry + reflexometry. Selects Eustachian Tube Function test. Selects tone audiometry. Selects speech audiometry with built-in microphone. Selects speech audiometry with recorded speech and/or noise. Select between manual and automatic audiometry. Selects pre-programmed tests: ABLB, Stenger, SISI First push: Monitor active (the presentation to patient from e.g. tape can be heard through monitor headset or built-in speaker). Second push: Talk Back active (the patient´s comment can be heard through monitor headset or built-in speaker). Third push: Monitor as well as Talk Back is active. Stores threshold in manual audiometry and stores manual tympanometry curves and reflexes. Inserts ―no response‖ sign in the audiogram. Selects ipsilateral reflex stimulation. Selects contralateral reflex stimulation. Selects right ear. Selects left ear. Selects bone conductor for left or right ear. Selects Free Field presentation via loudspeakers. Reduces frequency in reflexometry and audiometry. Furthermore it indicates an incorrect answer when carrying out a speech score. Increases frequency in reflexometry and audiometry. Furthermore it indicates a correct answer when carrying out a speech score. Adjusts intensity in reflexometry and audiometry in Ch. 1. Selects extended range in reflexometry and audiometry. Adjusts masking intensity in Ch. 2. Turns off Ch. 2. Presents stimulus in manual reflexometry and audiometry.

AA222 - Connection Panel Dictionary Position:

40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

CD1 CD2 FF1 FF2 Left Right Bone Contra Talk Back Mic Transducer Air Patient Response Power Keyboard Monitor USB Mains

Connector for tape recorder or CD player Connector for tape recorder or CD player Connector for FF1 Amplifier. Connector for FF2 Amplifier. Connector for left headphone TDH39. Connector for right headphone TDH39. Connector for bone conductor. Plug for contra telephone. Connector for talk back microphone. Connector for external microphone. Plug for cable from probe system. Plug for the air hose of the probe system. Plug for patient response switch. Turns power on/off. Connector for keyboard. Connector for monitor headset. Plug for computer connection. Plug for mains cable (UPS400 Power Supply).

Explanation to symbols which can be found on the instrument: I O

On (Power: connection to the mains) Off (Power: disconnection from the mains) Alternating current Fuse Ground Dangerous voltage See explanation in manual Type B equipment

Technical Specifications The technical specifications provided here cover the general aspects of the instrument, while more specific details are found in the Operation Manual in English. Standards: Audiometer Impedance Safety

EN 60645-1, ANSI S3.6, Type 2, B-E Speech Audiometer EN 61027, ANSI S3.39, Type 2 EN 60601-1, Class 1, Type B, EMC: EN60601-1-2

The CE mark indicates that the instrument is made to fulfil the demands of the Council Directive 93/42/EEC concerning medical devices and that TÜV Product Service, identification no. 0123, has approved the quality system of Interacoustics. Impedance: Probe Tone Frequency: Probe Tone Intensity : Pressure Range : Accuracy : Compliance Range : Compliance Accuracy :

226 Hz 1% 85 dB SPL 1.5 dB +300 to -600 daPa 5% or 10 daPa 0.1-6 ml. 5% or 0.1 ml.

Reflex: Manual or automatic testing with 18 stimuli to each ear. Auto Reflex Detection. Multiple Reflex stimuli. Stimulus Duration : 1.0 sec. Reflex Acceptance : Adjustable between 2% and 6%, or 0.05 – 0.15 ml change of ear canal volume. Ipsi Frequencies : 500, 1000, 2000, 3000, 4000 Hz, wide band, high and low pass. Intensity (Max.) : 100, 105, 110 dBHL. Contra Frequencies : 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz, wide band, high and low pass. Intensity (Max.) : 90, 100, 120, dBHL. Reflex Decay: Stimulus Duration Stimulus Frequency Stimulus Intensity

{ Ipsi and Contra as above.

Audiometer: Type 4 according to EN 60645-1, ANSI S3.6. Frequencies Hz: 125 250 500 1000 2000 3000 4000 6000 8000

Intensities dBHL: -10 to 90 -10 to 90 -10 to 120 -10 to 120 -10 to 120 -10 to 120 -10 to 120 -10 to 120 -10 to 110

Auto Threshold Determination (Modified Hughson Westlake).

Tests: Tympanometry : Reflexometry incl. decay: Audiometry : Eustachian Tube

Automatic Automatic or Manual. Manual or Auto Threshold (Patient controlled Hughson Westlake test after ISO 8253) Semi Automatic function test. Williams Test (non perforated eardrums)

Calibration: Impedance : EN 61027, ANSI S3.39 Audiometer : ISO 389-1, ANSI S3.6 Calibration is performed via the instrument's front panel and is stored in a permanent memory. Computer Communication: Built-in USB input/output computer interface. One mode allows the computer to both monitor and control the AA222. Control actions will be indicated on the operation panel and the display. Power supply: Type Input Fuses Output

UPS400 100 - 240V AC +/-10%, 50 - 60Hz, 48W max 2xT1A 5Vdc, 12VDC and -12VDC

Dimensions: W x D x H: 36 x 26 x 10 cm, 14 x 10 x 4 inches. Weight: 2.8 kg / 6 lbs. Included Parts  AA235-ATP Standard Probe System  TDH39 Single Contralateral Earphone  B71 Bone Conductor  UPS400 External Switch Mode Power Supply  Power Cable (110/220V, please specify)  BET50 Box of 65 Assorted Eartips  TPR35 3 Rolls of Recording Paper  PCR-AA235 Dust Cover  Operation/Multilingual CE manuals

Concerning repair 1. Interacoustics is only considered to be responsible for the validity of the CE marking, effects on

safety, reliability and performance of the equipment if: assembly operations, extensions, readjustments, modifications or repairs are carried out by authorised persons, a 1 year service interval is maintained the electrical installation of the relevant room complies with the appropriate requirements, and the equipment is used by authorised personnel in accordance with the documentation supplied by Interacoustics. 2. It is important that the customer (agent) fills out the RETURN REPORT every time a problem

arises and sends it to Interacoustics, Drejervaenget 8, DK-5610 Assens, Denmark. This should also be done every time an instrument is returned to Interacoustics. (This of course also applies in the unthinkable worst case of death or serious deterioration to patient or user). 3. When instrument fuses need renewal, the correct type as stated on the instrument shall be used.

AA222 - Operation Panel

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Interacoustics

Mar 14, 2008 | Accessories | 0 |

Quality for the Contemporary Clinic With a product line that includes not only a complete range of audiometers and immittance instruments, but also advanced ABR, VNG, OAE, and rhinometry products, the wide range we have to offer might be enough to make us different from everyone else. But our philosophy really is not about that. Instead, we want to make a difference in your clinic.

We offer products that are easy to work with, fit in well with the flow of your work space, have features that make your day simpler, and provide accurate results for hundreds of tests. In short, products that add to the quality of your work day.

Designed specifically for clinical and diagnostic testing, our products interconnect to a proprietary database software program as well as to versions of NOAH. In addition, direct printout options are an option on many of the instruments. And as technology changes, as health care changes, as the economy changes, we change too. You live and work in a fast-paced world, and our dedication to your contemporary clinic means we will keep the pace with you.

And it is not just about the products. You also need service. When you own our products, you become our partner. We want to hear from you whether you have questions, comments, or suggestions. As a company that has been building its reputation for decades, we can promise we will be here for you for a long time to come.

Products to Promote The AA222 Audio Traveller clinical audiometer/middle ear analyzer combination has a hard shell carrying case that can also hold accessories. Its full complements of diagnostic middle ear analyzer tests plus diagnostic audiometry are all included in one unit. Also print test results on the spot with the internal printer or connect it to a laptop for storing or printing reports using NOAH or Interacoustics’ IABaseII software.

Another immittance audiometer, the AT235 includes a unique “multi-probe” feature that quickly transforms the standard clinical probe into a pencil probe for screening procedures. The AT235 smart software recognizes which probe is in use and automatically compensates for calibration differences. The AT235 is also available with a high-frequency probe tone option (the AT235h) for even more reliable results when testing newborns.

The AD229e is a powerful multipurpose clinical audiometer in a small package. Connect a keyboard to input patient data, transfer data to NOAH, and generate professional reports with a direct printer connection.

Interacoustics’ top-of-the-line audiometer, the AC40, is a comprehensive audiometer specifically designed for advanced clinical applications. Preprogrammed and automated testing features are simple to access and save valuable time. It comes standard with high-frequency audiometry, RS232 and external printer port, multifrequency, MLD, built-in free field amplifiers, large LCD screen, and more.

In addition, Interacoustics offers the VO25 VNG system—a complete oculographic analysis system that is easy to administer and comfortable for the patient. While traditional electronystagmography has the same challenges as most electrode-based systems, the VO25 uses high-resolution cameras with infrared illumination to provide qualitative eye movement measurements. Disease processes and their effects can be visualized by both patients and students while being described by the clinician.

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INTERACOUSTICS Audio Traveller Model #AA222 Thermal Paper- I102

• Model: AA222
• Manufactured by: INTERACOUSTICS

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