Aurical

Aurical Hearing Testing Systems

AURICAL HIT and the OTOsuite HIT Module Reference Manual March 2015

Reference Manual

48 Pages

Table of Contents 1  Introduction 1.1 Intended Use 1.2 Typographical conventions 1.2.1 Navigating this manual  5 5 6 6  2  AURICAL HIT 2.1 Unpacking AURICAL HIT 2.2 Installation 2.2.1 Connecting AURICAL HIT 2.2.2 Initial calibration 2.3 The test chamber 2.3.1 Reference microphone 2.3.2 BTE adapter tube 2.3.3 The coupler assembly 2.3.4 Battery simulator 2.3.5 Cable groove 2.3.6 Elevation plate 2.3.7 Coupler microphone sockets 2.3.8 Sound absorbing foam lining 2.3.9 Main loudspeaker 2.3.10 Rear loudspeaker 2.3.11 The AURICAL HIT lid 2.3.12 Telecoils 2.3.13 The AURICAL HIT handle 2.4 The Accessory Box  7 7 7 7 7 8 9 9 9 11 11 11 11 12 12 12 12 12 12 13  3  Testing hearing instruments 3.1 Calibrating the reference microphone 3.2 Positioning the hearing instrument for testing 3.2.1 General guidelines for positioning the hearing instrument 3.2.2 Using the battery simulator 3.2.3 Coupler adapters 3.3 Traditional BTE hearing instruments 3.3.1 With BTE adapter tube 3.4 Thin-tube hearing instruments 3.4.1 Using the HA-1 ITE, RIE, thin-tube adapter 3.5 ITE hearing instruments 3.6 Telecoil testing 3.7 Hearing instruments with wireless transmitters (e.g. FM) 3.8 Body-worn hearing instruments 3.9 Testing the hearing instrument with OTOsuite HIT 3.9.1 How to perform a standard test 3.9.2 How to test the directional microphone  14 14 15 15 17 18 19 19 20 20 21 23 23 25 25 25 26  4  HIT FreeStyle testing 4.1 Navigating in HIT FreeStyle  28 28  5  Cleaning, Repair and Calibration 5.1 Cleaning 5.1.1 Cleaning the device  31 31 31  Otometrics - AURICAL HIT  3
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