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otometrics AccuScreen OAE User Manual

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AccuScreen
OAE & ABR Screener
User Manual
Doc no. 7-50-0920-US/02
Part no. 7-50-09200-US
0 4 5 9

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Summary of Contents for otometrics AccuScreen OAE

  • Page 1 AccuScreen OAE & ABR Screener User Manual Doc no. 7-50-0920-US/02 Part no. 7-50-09200-US 0 4 5 9...
  • Page 2 Printed in Denmark by GN Otometrics A/S, Denmark All information, illustrations, and specifications in this manual are based on the latest product information available at the time of publication. GN Otometrics A/S reserves the right to make changes at any time with- out notice.

  • Page 3: Table Of Contents

    The Home menu ..........24 Otometrics...
  • Page 4 Table of Contents AccuScreen OAE & ABR Screener • User Manual 3.2 Patient handling in AccuScreen ......... 25 3.2.1...
  • Page 5 Table of Contents AccuScreen OAE & ABR Screener • User Manual Quick Test ............59 6.1 Performing a Quick Test .
  • Page 6 Table of Contents AccuScreen OAE & ABR Screener • User Manual 11.5.2 Increasing service life ......... . . 86 11.5.3 Disposal of old batteries .
  • Page 7 Table of Contents AccuScreen OAE & ABR Screener • User Manual App. 3.5.1 PC interface ....... . 104 App.
  • Page 8 Table of Contents AccuScreen OAE & ABR Screener • User Manual Otometrics...

  • Page 9: Introduction

    The simple yet reliable technology ensures that hearing loss can be detected and that intervention can be implemented at an early age. With early intervention, hearing- impaired children are given the possibility of developing normal speech and language skills. Otometrics...

  • Page 10: The Different Versions Of Accuscreen

    From AccuLink you can configure AccuScreen to suit your purposes. This includes defining mandatory fields in patient handling, defining which screens are to be shown in AccuScreen, and uploading and downloading data. AccuScreen is operated independently of AccuLink, although additional features and configuration value are offered by AccuLink’s user interface. Otometrics...

  • Page 11: Printing

    AccuScreen is intended for use by audiologists, ENTs and other health care profes- sionals. Important · GN Otometrics A/S does not guarantee the accuracy of the test results or the tests themselves, if accessories other than those supplied by GN Otometrics A/S are used for this device (i.e.

  • Page 12: Typographical Conventions

    Caution · Indicates that there is risk of damage to the device. Note · Indicates that you should take special notice. 1.7.1 Navigating this manual Menus, icons and functions to select are shown in bold type, as for instance in: • Press the button. Otometrics...

  • Page 13: Unpacking And Installation

    If your package is incomplete, contact your supplier. Caution · If damage has occurred, do not put the device into operation. Contact your supplier for assistance. Views of AccuScreen 2.2.1 Front and rear view A. On/Off switch B. Touch screen display Otometrics...

  • Page 14: Top And Bottom View

    Lit when the mains power supply to the docking station is on. Lit when data is being transferred: • during transfer of data between AccuScreen and AccuLink. • during printing from label printer Lit when docking station is connected to the PC via a USB cable. Otometrics...

  • Page 15: Display

    • Touch the buttons to activate a func- tion. Caution · Never use any type of sharp instrument on the display. If you do, reli- able operation of AccuScreen can no longer be guaranteed. Otometrics...

  • Page 16: Ear Probe

    • We recommend that you charge the battery fully by placing AccuScreen in the docking station (2.5.5 Charging the battery from the docking station 20). • For testing purposes, fit the probe, the ear coupler cable and the electrode cable as needed. See 4 Preparing for testing Otometrics...

  • Page 17: Powering

    50% remaining battery capacity and in a dry and cool place. Storing the battery in a refrigerator can be recommended. If the battery is stored with full battery capacity and at room temperature or warmer, the battery will permanently degrade with about 10-20% after one year. Otometrics...

  • Page 18: Inserting The Battery In Accuscreen

    2. If needed, remove the battery. 3. Place a new, charged battery in the compart- ment. – Hold the battery so that the arrow with the text “Insert this direction” points downwards towards the bottom of the compartment. 4. Close the compartment. Otometrics...

  • Page 19: Battery Status

    2. Connect the adapter to the docking station and the mains supply, and switch on the mains supply. The indicator will light up green. POWER Disconnecting from the mains supply To disconnect AccuScreen docking station from the mains supply, simply remove the adapter plug from the mains outlet. Otometrics...

  • Page 20: Charging The Battery From The Docking Station

    6 hours 2.5.6 Charging the battery with the external charger Caution · Use only the charger supplied by GN Otometrics A/S. The battery for AccuScreen can be charged by an external charger (optional acces- sory). See the charger manufacturer’s documentation for specifications and instructions for use.

  • Page 21: Getting Started With Accuscreen

    These periods are config- urable (see the AccuLink User Manual). • When AccuScreen is in power-saving mode, the display goes black and the power indicator lights up green. • Simply touch the screen to reactivate AccuScreen. Otometrics...

  • Page 22: The Accuscreen Screens

    – keypad for entering data, etc. C. The function bar with available function buttons D. The footer with available buttons for main functions such as – returning to the previous screen, – accessing help, – returning to the screen. Home Otometrics...

  • Page 23: Selecting The User

    Another user can log into AccuScreen. This means that only the user with the 3 incorrect attempts is locked out. 1. Launch AccuLink. 2. Place AccuScreen in the docking station to unlock. When a predefined period of time has expired, AccuScreen unlocks automatically. The duration is configurable (see the AccuLink User Manual). Otometrics...

  • Page 24: Optional Screens

    AccuScreen. • See 3.2.2 Finding a patient • See 3.2.1 Adding a new patient • See 5.6 Test view • See 7 Printing • See 10.4 Deleting data • See 6 Quick Test • See 8 Quality Tests Otometrics...

  • Page 25: Patient Handling In Accuscreen

    2. To view more fields in the New Patient screen, press the arrow buttons. 3. When you have entered data in all mandatory fields and press the button, the data is saved, and the screen is shown. New Patient Otometrics...

  • Page 26: Finding A Patient

    1. To find a patient, press the but- Find Patient ton on the screen. Home This will take you to the screen. Find Patient 2. If needed, press the arrow buttons to scroll in the list of patients. 3. Select the patient from the list. Otometrics...
  • Page 27 5. Press the button showing the name of the patient you wish to select. screen is shown. Patient Details 6. If you wish to view the tests performed on the patient, press the button. Test View Otometrics...

  • Page 28: Editing Patient Data

    2. In the screen press the field Patient Details you wish to edit. 3. Edit the field. 4. When you have edited data in a field, press button to save. 5. If needed, select the next field you wish to edit. Otometrics...

  • Page 29: Preparing For Testing

    Caution · Insert only disinfected probe tips in the test cavity. See 11.4.1 Cleaning and disinfecting the test cavity Every day before you start testing on patients, you should test the probe to make sure that it functions correctly. 8.2 Probe test Otometrics...

  • Page 30: Connecting The Probe

    To disconnect do not twist the plug. Instead, hold the sleeve of the plug and release it by pulling it straight out of the socket. The probe will not be released if you pull anywhere else than on the sleeve of the plug. Otometrics...

  • Page 31: Connecting The Electrode Cable For Abr Testing

    To disconnect do not twist the plug. Instead, hold the sleeve of the plug and release it by pulling it straight out of the socket. The cable will not be released if you pull anywhere else than on the sleeve of the plug. Otometrics...

  • Page 32: Connecting The Ear Coupler Cable For Abr Testing

    To disconnect do not twist the plug. Instead, hold the sleeve of the plug and release it by pulling it straight out of the socket. The cable will not be released if you pull anywhere else than on the sleeve of the plug. Otometrics...

  • Page 33: Preparing The Test Environment

    Release the pinna and try again. Gently massaging the area may help opening the ear canal. 4. Inspect the ear canal to make sure it is clear of vernix or debris as this may affect the result of the test. Clean the ear canal if required. Otometrics...

  • Page 34: Fitting The Eartip On The Probe

    Make sure that the probe fits well. Any leakage may increase the test duration because of distortion and excessive noise. Note · Make sure that the cable is not in contact with any vibrating surfaces during test- ing. Otometrics...

  • Page 35: Placing Electrodes For Abr Testing

    Warning · Never place the red and blue ear coupler adapters directly in the ear canal. Use them only with the ear couplers fitted. Note · Use the ear couplers only with the ear coupler cable - not with the ear probe. Otometrics...
  • Page 36 The ear couplers can be placed with the cables pointing either upwards or down- wards, depending on which direction fits best. Caution · To remove the ear coupler cables, do not pull them by the cable. Instead, hold them by the transducer. Otometrics...

  • Page 37: Tests

    2. Press the button corresponding to the Start ear you wish to test. See the test descriptions – 5.2 The TEOAE test – 5.4 The DPOAE test – 5.5 The ABR test Note · These test results are not stored. Otometrics...

  • Page 38: The Teoae Test

    – 5.5 The ABR test The TEOAE test 5.2.1 Starting the test 1. To start the test, press the button that is Start next to , and that corresponds to the TEOAE ear in which you placed the probe. Otometrics...

  • Page 39: The Teoae Test

    The test will be saved as an incomplete test. Test details Shows which ear is being tested. Higher frequency emissions Lower frequency emissions Valid peaks The graphic display shows the peaks reaching the test criteria. The graph is a sta- tistical graph. Otometrics...

  • Page 40: Teoae Test Results

    5.2.3 TEOAE test results When the test is completed, the test data is saved and the result is shown on the screen. • Press the button to return to the Test Menu Otometrics...
  • Page 41 Consider for instance the following when you interpret a REFER (Test referred) result: • Malfunctions in the transmission of sound are by far the most important causes of emissions not being detected. To eliminate this possibility, always make sure Otometrics...

  • Page 42: Options In The Test Result Screens

    If you wish to add comments to the test results, press the button. This will take you to the Comments Comments screen, where you can select predefined comments or add your own comments. See 5.3 Adding comments to a test Print results 7 Printing Otometrics...

  • Page 43: Continuing Testing On The Other Ear

    11.1 The probe tip and probe body 2. If needed, reposition the patient so that you can test the other ear and insert the probe in the new test ear. 3. Select the patient’s other ear on the Test Menu 4. Start the test. Otometrics...

  • Page 44: Adding Comments To A Test

    You can add comments from the individual test result screens and from the patient’s Test Menu 1. To add a new comment, press the Add Com- button in the screen. ments Comments This will take you to the Add Comment screen. Otometrics...

  • Page 45: Viewing Comments

    The DPOAE test 5.4.1 Starting the test 1. To start the test, press the button that is Start next to , and that corresponds to the DPOAE ear in which you placed the probe. Otometrics...

  • Page 46: The Dpoae Test

    The test as it progresses is shown on the display. The frequency currently being tested is shown on the screen. See the bar chart legend below for a description of the columns. • If needed, press the button to skip a fre- Skip quency. Otometrics...
  • Page 47 Response at current test frequency. Noise Current noise level. Make sure the level is as low as Noise possible. Progress Shows the test progress. Max. time depends on environ- mental noise conditions. When the blue bar reaches the end, the test is completed. Otometrics...

  • Page 48: Dpoae Test Results

    DPOAEs could be registered for at least 3 fre- quencies. The results for AccuScreen are ordered and shown in decreasing frequencies, and depending on the setup. 5000 Hz 4000 Hz 3000 Hz 2000 Hz Only is shown. The L1/L2 pair is 59/50 dB SPL. Otometrics...
  • Page 49 In DPOAEs this is especially true for the lowest frequencies. Therefore, low fre- quency REFER (Test referred) with high frequency PASS (Test passed) is a strong indi- cator that test conditions were not optimal. If this is the case, it is recommended that you improve test conditions and repeat the test. Otometrics...

  • Page 50: The Abr Test

    4. Decide on which ear you wish to perform the test, and prepare the patient as described in 4 Preparing for testing Testing one ear • To start the test, press the button that is Start next to the test, and that corresponds to the ear in which you placed the probe. Otometrics...

  • Page 51: Impedance Testing And Calibration

    Start Red (nape) reading indicates the sum of the and the (ref- Black erence) electrodes’ skin impedances. White (high on the forehead) reading indicates the sum of the and the White White Black (reference) electrodes’ skin impedances. Color coding Otometrics...
  • Page 52 3. Make sure that the skin locations are clean. Use water and a soft cloth to clean skin locations for all three electrodes well before testing. 4. If needed, attach new electrodes to see whether they will reduce the impedance values. Otometrics...

  • Page 53: The Abr Test

    Stopping a test • If needed, press the button to stop the Stop test. The test will be saved as an incomplete test. Test details Shows which ear is being tested. Single ear testing Binaural testing Shows the ABR response. Otometrics...

  • Page 54: Abr Test Results

    When the test is completed, the test data is saved and the result is shown on the screen. 1. See 5.2.4 Options in the test result screens for a description of the buttons available. 2. Press the button to return to the Test Menu Test result PASS (Test passed) Otometrics...
  • Page 55 • Are the electrodes placed correctly and fit properly? Even if the device accepts the impedance values, it is often worth while to attempt to reduce impedance values and particularly the impedance differences. The noise in the electrode cable depends strongly on the impedance values. Otometrics...

  • Page 56: Test View

    If the patient is given yet another REFER (Test referred), this patient should be referred for further testing. 5.6.1 Test View You can view a patient’s tests: • from the screen Home • from the screen Patient Details Otometrics...

  • Page 57: The Test View Screen

    – The type of tests that were made. – On which ear the test was made. – The date and time on which the test was made. The test results • PASS (Test passed) • REFER (Test referred) • Incomplete Otometrics...
  • Page 58 For a description of the individual test result types, see: – 5.2.3 TEOAE test results – 5.4.3 DPOAE test results – 5.5.4 ABR test results 3. If you wish to view comments to a test result, press the button in the specific Comments test results screen. Otometrics...

  • Page 59: Quick Test

    2. Press the button on the Quick Test Home screen. From the screen you can access Quick Test the test types available in AccuScreen. 3. Prepare the patient as described in 4 Preparing for testing Otometrics...
  • Page 60 – 5.2 The TEOAE test – 5.4 The DPOAE test – 5.5 The ABR test Note · These test results are not stored. 5 Tests for a the description of the indi- vidual tests. Otometrics...

  • Page 61: Printing

    1. Connect the label printer cable to the AccuScreen docking station and place AccuScreen in the docking station. 2. Disconnect the docking station from the PC by removing the USB cable. Note · Use only the label printer recommended. AccuScreen automatically recognizes the label printer. 3. Switch on the printer. Otometrics...
  • Page 62 3.2.2 Finding a patient This will take you to the screen. Test View Printing 1. To print the entire list from the Test View screen, press the button on this screen. Print Patient specific comments will be printed automatically. Otometrics...

  • Page 63: Printouts From Label Printer

    • The patient’s first and last name • Patient ID • Date of testing • Examiner’s name • Test type • Left and/or right ear result, date and time • General comments relating to the patient are listed at the bottom of the printout Otometrics...
  • Page 64 Jones, Linda 12-345-6789 12-345-6789 02/05/2010 02/05/2010 Examiner: Laura Roberts Examiner: Laura Roberts TEOAE Results TEOAE Results L: Pass 02 /05 14:39 R:REFER 02/05 14:41 Comments Time: 257 If present Response: Artifact: 34% Stability: 83% Peaks: 3/8 Comments Patient was restless Otometrics...
  • Page 65 Printing Printouts from label printer Legend Legend • Left ear • Right ear • There are comments relating to a specific test. To view these comments a print of the single result is needed. Otometrics...
  • Page 66 Printing Printouts from label printer Otometrics...

  • Page 67: Quality Tests

    Caution · Make sure that the probe tip has been cleaned and disinfected before you insert it in the test cavity. See 11.4.1 Cleaning and disinfecting the test cavity You can start the probe test in two ways: Otometrics...

  • Page 68: From The Quality Tests Menu

    If the probe functions correctly, the message appears. Probe OK If the probe does not function cor- rectly, the message Probe Test appears. failed! You will also see a list of possible errors. Otometrics...

  • Page 69: Electrode Cable Test

    1. Clip the electrode clips onto the metal bars of the ABR Tester. 2. Press the button on the Electrode cable screen. Quality Tests 3. Press the button to start the test. Start If the electrode cables function correctly, the message appears. Electrode cable OK Otometrics...

  • Page 70: Ear Coupler Cable Test

    1. Insert the transducers into the socket at each end of the ABR Tester. 2. Press the button on the Ear coupler cable screen. Quality Tests 3. Press the button to start the test. Start Otometrics...

  • Page 71: Combined (Electrode Cable - Ear Coupler Cable)

    1. Clip the electrode clips onto the metal bars of the ABR Tester. 2. Insert the transducers into the socket at each end of the ABR Tester. 3. Press the button on the Combined Quality screen. Tests 4. Press the button to start the test. Start Otometrics...
  • Page 72 5. If needed, press the button to repeat the Start test. 6. Press the button to confirm the test result. Caution · To remove the ear coupler cables, do not pull them by the cable. Instead, hold them by the transducer. Otometrics...

  • Page 73: Accuscreen Settings

    AccuScreen, and see Settings information about the hardware and the software installed. 1. Press the button on the Settings Home screen. From the menu you can access the Settings settings available in AccuScreen. Otometrics...

  • Page 74: Time And Date Setting

    Tool time formats. – Date Select from the list how the date setting is to be shown on the screen. – Time Select from the list how the time setting is to be shown on the screen. Otometrics...

  • Page 75: Language Setting

    Sound on – Key click Pressing a button will produce a sound (a click) – Result sound A PASS or REFER sound is heard at the end of the test. Sound off Shows that the sound is disabled. Otometrics...

  • Page 76: Display Brightness

    – Press the Default button to use the default setting for the display brightness. System Info 1. Press the button on the System Info Settings screen to view information regarding: – Firmware release – Release date – HW version and Serial number – Connected probe – Next service date – Memory usage Otometrics...

  • Page 77: Handling Data In Accuscreen

    • Select to enter standard characters (when the key- pad is displaying special digits and symbols). • Space Select to insert a space. • Press to move the cursor left or right within the field. Otometrics...

  • Page 78: Function Buttons

    The category is shown as greyed out text at the top of the screen. • Scroll to see more/next page/next patients in list • Test view – Press the button to see the patient’s test list. Otometrics...

  • Page 79: General Buttons

    If needed, the system administrator can set up AccuScreen to automatically delete data after data transfer to AccuLink. See the AccuLink User Manual. 10.4.1 Deleting one patient 1. To delete one single patient, press the Delete button on the screen. Home Otometrics...

  • Page 80: Deleting All Patients

    Home Home screen. 10.4.2 Deleting all patients 1. To delete all patients, press the button Delete on the screen. Home This will take you directly to the Delete menu. 2. Press the button. All Patients Otometrics...
  • Page 81 Handling Data in AccuScreen Deleting data You will be prompted to confirm that you wish to delete all patients. All test results relating to all patients will be deleted. 3. Press the button to go to the Home Home screen. Otometrics...
  • Page 82 Handling Data in AccuScreen Deleting data Otometrics...

  • Page 83: Maintenance And Cleaning

    Warning · If needed, replace the probe tip with a spare one. 11.1.1 Regular cleaning Caution · You should always comply with local hygienic standards. The probe tip – Remove the probe tip from the probe. Otometrics...

  • Page 84: Probe Calibration

    To view the next calibration date, select . Before you perform Settings > System info the first test, the date field will be blank. Otometrics...

  • Page 85: Eartips

    • Clean AccuScreen with a moist cloth - if required, use a little surface disinfec- tant. 11.4.1 Cleaning and disinfecting the test cavity If needed, use a wet tissue with alcohol to clean the entry surface of the test cavity. Otometrics...

  • Page 86: Battery Safety And Maintenance

    The battery capacity will gradually degrade by many charging/discharging cycles and by ageing. We recommend that you fit the instrument with a new battery approxi- mately every 12 to 18 months. The need for renewing the battery depends on the usage pattern and the battery capacity needed. Otometrics...

  • Page 87: Disposal Of Old Batteries

    Caution · Do not disassemble and do not dispose of in fire. Environmental protection • When the Li-Ion battery loses its capacity to be charged, make sure that it is dis- posed of according to local environmental regulations, or return it to your dealer. Otometrics...
  • Page 88 Maintenance and Cleaning Battery safety and maintenance Otometrics...

  • Page 89: App. 1

    Classified with respect to electrical shock, fire, mechanical and other specified hazards only in accordance with UL60601-1 and CAN/CSA-C22.2 NO 601.1-90. The instrument and this manual are CE-marked according to the Medical Devices Directive 93/42/EEC. x x x x Otometrics...

  • Page 90: App. 1.2 Docking Station Symbols

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

  • Page 91: App. 1.3 Warning Notes - Accuscreen

    • Unwanted noise may occur if AccuScreen is exposed to a strong radio field, and such noise may interfere in the process of testing. 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 AccuScreen be restricted. Otometrics...

  • Page 92: Warning Notes - Docking Station

    Important · The warranty will become void if the probe cleaning instructions are not strictly adhered to. If the probe is not cleaned regularly as directed in the instructions, ceru- men may result in blockage of the probe, where sensitive components are contained and could be damaged. Otometrics...

  • Page 93: App. 1.6 Repair, After-Sales Service And Regular Checks

    All devices of the type AccuScreen should be checked and calibrated annually through a service center authorized by the manufacturer. App. 1.7 Manufacturer GN Otometrics A/S 9 Hoerskaetten DK-2630 Taastrup : +45 45 75 55 55, : +45 45 75 55 59 www.otometrics.com...
  • Page 94 IEC requirements. • 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...

  • Page 95: App. 2

    • Try to upload data to AccuLink, test data has been found in flash delete all patient data and restart. memory. If the message re-appears, contact your supplier. Codec malfunction • Self test error. • Restart the device. If the message re-appears, contact your supplier. Otometrics...

  • Page 96: Usage And Test Related Messages

    • Try to refit the probe. If the prob- canal. lem persists, clean the probe tip or replace it with a spare. • The probe tip is blocked. Timeout during pause • The ABR test was paused for • Retest the patient. more than 2 minutes. Otometrics...
  • Page 97 Usage and test related messages Error message Cause Solution Paper feed error • The labels are not adjusted cor- • Re-adjust the labels and remove rectly in the label printer or there possible blocking of paper feed. is a paper jam. Otometrics...
  • Page 98 App. 2 Status and Error Messages Usage and test related messages Otometrics...

  • Page 99: Technical Specifications

    App. 3.1.2 Optional accessories Label printer with printer cable ABR ear coupler cable External battery charger App. 3.2 Device MADSEN AccuScreen is type 1077 from GN Otometrics A/S. App. 3.3 Measurement techniques App. 3.3.1 TEOAE Sampling rate: 16 kHz [1] Standard accessories and optional accessories may vary from country to country - please consult your local distributor.

  • Page 100: App. 3.3.2 Dpoae

    App. 3.3.3 Sampling rate: 16 kHz Evaluation method: Noise-weighted averaging and template matching Stimulus: 35, 40 or 45 dB nHL click Click rate: Approx. 80 Hz Amplifier gain: 2000 Amplifier CMRR: > 100 dB @ 50 Hz Otometrics...

  • Page 101: App. 3.3.4 Dimensions

    280 g (9.9 oz) including battery App. 3.3.6 Display Type: Color, TFT, touch screen Dimensions: 89.4 mm (3.5 inches) Resolution: 240 x 320 pixels Backlight type: LED, adjustable App. 3.3.7 Keypad Resistive touch screen (can be used with gloves) Otometrics...

  • Page 102: Sound

    IR data transmission to docking station - USB inter- face from docking station to PC Label printer: IR data transmission to docking station - RS232 interface from docking station to label printer Modem: IR data transmission to docking station - RS232 interface from docking station to modem Otometrics...

  • Page 103: App. 3.3.14 Transport And Storage Environment

    App. 3.3.18 Standards Otoacoustic emissions: EN 60645-6, Type 2 Auditory evoked potentials: EN 60645-7, Type 2 Patient Safety: • EN 60601-1, Internally Powered, Type BF, IPXO • U2601-1; CAN/CSA-C22.2 NO 601.1-90, • IEC 60601-2-26 • IEC 60601-2-40 EMC: EN 60601-1-2 Otometrics...

  • Page 104: App. 3.4 Power Supply And Battery

    Fully charged: 6 hours Battery Caution · Use only rechargeable battery supplied by GN Otometrics A/S, Part no. 8- 73-02400. Use of any other battery may present a risk of fire or explosion. Battery type: Rechargeable Li-ion 3.7 V/1800 mAh (6.7 Wh), fully charged App.

  • Page 105: Dc Power Input

    Flexible, shielded cable, approx. length: 120 cm (approx. 55 inches) App. 3.6.2 Dimensions Probe body: 20 mm Ø x 23 x 11 mm (0.8” Ø x 0.9” x 0.43”) Probe tip: 3.3 mm Ø x 10 mm (0.13” Ø x 0.4”) Otometrics...

  • Page 106: Weight

    • AccuScreen is part of a medical electrical system and is thus subject to special safety precautions. For this reason, the installation and operating instructions provided in this document should be followed closely. • Portable and mobile high-frequency communication devices, such as mobile phones, may interfere with the functioning of AccuScreen. Otometrics...
  • Page 107 Note 1: At 80 MHz and 800 MHz the higher frequency range applies. Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. Otometrics...
  • Page 108 Note 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies. Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. Otometrics...

  • Page 109: Index

    Patient technical specifications 99 placing electrodes 35 Display 15 preparing 33 error messages 95 Patient data Disposal deleting 79 device 90 Preparing eartips 85 device for testing 29 old battery 87 ear couplers 35 fitting eartip on probe 34 Otometrics...
  • Page 110 Warranty repair 93 Removing battery 18 Repair 93 Results Test view 56 Safety information 89 Safety symbols 89 Screens AccuScreen Home menu 24 Settings 73 Status messages 95 Technical specifications 99 TEOAE test process 38 Test cavity cleaning 85 Otometrics...

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