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General| Brand | Audio Traveler |
|---|---|
| Model | AA222 |
| Category | Medical Equipment |
| Language | English |
Defines the purpose and scope of the AA222 audiometer and its intended applications.
Outlines safety warnings, cautions, and important notices for instrument operation and user safety.
Explains the meaning of various symbols found on the instrument and in documentation.
Explains how tympanograms are generated, interpreted, and the factors influencing their shape.
Details the standard categories and types of tympanograms based on measured parameters.
Describes the characteristics and potential pathologies associated with Type A, AD, AS, and B tympanograms.
Describes the characteristics and potential pathologies associated with Type C, D, and E tympanograms.
Correlates specific tympanometric curve features with various middle ear pathologies.
Discusses reflex onset/offset slopes, noise interference, and negative onset interpretation.
Defines how reflex threshold is measured and factors affecting its determination.
Explains how stapedius reflexes are elicited and their thresholds.
Details eliciting reflexes using non-acoustic stimuli like air puffs.
Explains how to measure and interpret reflex decay for diagnostic purposes.
Illustrates common tympanograms and their associated pathologies with examples.
Explains acute serous otitis media and its tympanometric presentation.
Discusses middle ear drainage tubes and their impact on audiometry.
Explains the principles and procedures of air conduction audiometry.
Details the process of determining hearing thresholds using various methods.
Explains bone conduction and the significance of the AC-BC gap.
Explains head damping for AC/BC tests and minimum masking levels.
Defines maximum masking levels and using insert earphones for efficiency.
Provides a step-by-step guide for performing the masking procedure.
Details patient communication methods and the use of the pause feature.
Covers instrument warm-up, patient instruction, and visual ear canal checks.
Guides on selecting the appropriate ear tip and achieving a good probe seal.
Details transforming the probe and fitting the clinical headset.
Provides tips and techniques for achieving an airtight probe seal.
Describes the default power-up modes and how to navigate the main menu.
Instructions for deleting stored patient data before starting a new test.
Shows examples of different printout formats and available options.
Lists compatible software and details PC connection setup.
Step-by-step guide for loading the printer paper roll into the instrument.
Explains how to select test modes and outlines execution steps.
Details probe placement and the sequence of tests.
Explains how to adjust the tympanometry scale for different measurements.
Describes how to access the modify menu and change reflex test parameters.
Explains how to set up ipsilateral and contralateral reflexes for testing.
Guides on selecting the test ear and placing the probe correctly.
Explains how to extend the pressure range and achieve probe fit.
Information on high probe tone tympanometry availability and settings.
Describes how to perform and compare high probe tone tympanometry tests.
Guides on selecting the test ear and placing the probe for reflex tests.
Instructions for using the clinical headset and achieving probe fit.
Details the procedure for performing manual reflex tests.
Describes how to browse, repeat, and delete recorded reflexes.
Guides on performing manual reflex decay tests.
Explains how to select and conduct the Eustachian Tube Function test.
Introduces and explains the Child Function for pediatric testing.
Explains mode selection and the automatic audiometry procedure.
Provides test instructions and guidance for manual audiometry.
Describes normal masking and the use of insert masking.
Guides on selecting and initiating speech audiometry tests.
Details the process for calibrating speech signals from various sources.
Outlines speech score calculation and configuration options.
Describes managing speech curves and options like masking.
How to select and perform the ABLB test, including patient instructions.
How to select and alter parameters for the Stenger test.
Explains the purpose and steps of the Short Increment Sensitivity Index test.
Guides on selecting and executing the SISI test.
Recommendations for ear tip handling, cleaning, and usage.
Instructions for cleaning the probe tip to ensure measurement accuracy.
Explains the functions of the six soft function keys and navigation.
Describes keys for communication, monitoring, and input selection.
Explains keys for output, transducers, and test mode selection.
Explains the functions of control dials for parameter adjustments.
Lists safety, EMC, and audiometer standards compliance.
Details power requirements, operating environment, and printer specs.
Specifications for probe tone, air pressure control, and compliance range.
Details tympanometry types and setup options.
Details indicators, memory, calibration properties, and transducers.
Defines the units used in measurements.
Lists signal sources and describes input/output connections.
Details reflex parameters and system specifications like tolerance and THD.
Specifies attenuator range and types of audiometry tests.
Details specifications for manual reflex, decay, SISI, and other tests.
Covers memory capacity, stimuli properties, and earphone specifications.
Specifies noise properties and electrical output timings.
Table showing frequency and intensity ranges for audiometry.
Lists the standard parts included with the AA222 instrument.
Lists optional accessories available for purchase.
Visual guide to the instrument's connection panel layout.
Instructions for inspecting shipment and storing the original carton.
Lists the items included in the standard AA222 package.
Procedures for pre-connection inspection and reporting instrument faults.
Guidelines for transducer care and calibration to maintain accuracy.
Solutions for data transmission, tymp curve, and blocked ear tip issues.
Tips for resolving printer response issues and adjusting display brightness.
FAQs on configuring reflex tests and modifying pre-programmed setups.
Addresses FAQs on probe light status, automatic test start, and remote switch functions.
Addresses FAQs on instrument modes, reflex review, gradient, and sensitivity settings.
Definitions for acoustic admittance, compliance, and immittance.
Definitions for reflex, ear tip, ETF, and probe terminology.
Definitions for reflex, myringoplasty, myringotomy, and ossicular chain terms.
Definitions for Pascal, probe, probe ear, and probe signal.
Definitions for probe tip, immittance, Toynbee test, and tympanogram.
Explains the process and purpose of tympanometry.
How to access and navigate the main setup menu.
How to navigate within specific setup menus.
Defines start and stop pressure settings for tympanometric sweeps.
Explains pump speed settings and the Compensated Mode.
Details gradient unit calculation, high probe tone, and scale adjustment.
Details the four reflex methods and how to configure their parameters.
Explains the Fixed Intensity reflex method with fixed parameters.
Explains the concept and levels of reflex sensitivity.
Shows examples of how reflex sensitivity functions work with pass boxes.
Describes the Screening reflex method using 10 dB steps.
Describes the Auto reflex method using 5 dB steps.
Describes the Sequence reflex method and its configuration options.
Covers level increase settings, warnings, and drift compensation.
Setting stop criteria and reflex sensitivity for automatic mode.
How to set the default intensity for audiometry.
Configuration for masking intensity and not heard lines.
Selecting transducers for bone masking output.
Settings for bone conduction, microphone, masking, and audiometer mode.
Settings for intensity stepdown and audiometer frequencies.
Settings for frequency jump mode, pulse function, and level adjustment.
Configuration for the number of words and scoring method.
Information on standard speech curves and how to modify them.
Configuration for power-up, pause, communication, and remote switch settings.
Adjusting intensity levels for manual reflexes.
Settings for reflex icon boxes and the internal printer.
Options for printing subject and clinic data.
Entering clinic data and enabling automatic print after test.
Choosing the display language for the instrument.
Steps for connecting the instrument and searching for the USB driver.
Finishing driver installation and identifying the COM port.
Procedure for changing the COM port number in advanced settings.
Recommendations for annual overhaul, electrical safety, and instrument placement.
Importance of regular tests and ensuring proper instrument ventilation.
Procedures for cleaning, protecting the instrument, and preventing contamination.
