Table of Contents v
3.6 CIC Option ...........................................................................................73
3.7 OES Option ...........................................................................................74
3.8 Advanced Testing.....................................................................................76
3.8.1 Testing Digital Hearing Aids .....................................................................76
3.8.2 Testing Directional Hearing Aids ................................................................77
3.8.3 Testing with the Reference Microphone.........................................................80
3.8.4 Reversing the Microphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.8.5 Splitting the Microphones.......................................................................82
3.8.6 Changing the Signal Filters ......................................................................83
3.8.7 Running a Three-Frequency Average ...........................................................84
3.8.8 Measuring the Telecoil Response ...............................................................84
3.9 Reference.............................................................................................87
3.9.1 Defining the Function Keys......................................................................87
3.9.2 Explaining the Menu Items......................................................................88
Chapter 4: Automated Test Sequences .................................................93
4.1 The ANSI Sequence...................................................................................93
4.1.1 Viewing the ANSI ’96 Display ...................................................................94
4.1.2 Defining the Function Keys .....................................................................95
4.1.3 Leveling ........................................................................................96
4.1.4 Switching between ANSI 96 and ANSI 03 .......................................................96
4.1.5 Setting up for ANSI testing......................................................................96
4.1.6 Running an ANSI Test...........................................................................98
4.1.7 Testing Digital Hearing Aids.....................................................................98
4.1.8 Understanding Menu Items.....................................................................99
4.2 IEC Testing ...........................................................................................100
4.2.1 Viewing the IEC Display .......................................................................100
4.2.2 Defining the Function Keys ....................................................................102
4.2.3 Setting Up the Hearing Aid for Testing.........................................................102
4.2.4 Running an IEC Test............................................................................103
4.2.5 Defining the Menu Items ......................................................................103
4.3 JIS Testing............................................................................................104
4.3.1 Viewing the JIS Display ........................................................................104
4.3.2 Defining the Function Keys ....................................................................106
4.3.3 Setting Up the Hearing Aid for Testing.........................................................106
4.3.4 Running the JIS Test ...........................................................................107
4.3.5 Defining the Menu Items.......................................................................107
4.4 ISI Testing............................................................................................108
Chapter 5: Real-Ear Measurements ...................................................111
5.1 Introduction.........................................................................................111
5.1.1 Real-Ear Screens...............................................................................111
5.1.2 Navigation.....................................................................................111
5.2 Real-Ear Setup ......................................................................................112
5.2.1 General Setup .................................................................................112
5.2.2 Internal Speaker Setup ........................................................................113
5.2.3 External Speaker Setup........................................................................114
5.2.4 Placing the Probe Tube ........................................................................115
