FONIX® 8000 - Frye Electronics

Table of Contents v
6.5.4 Automatic & Program Mode ....................................................................141
6.5.4.1 To Program the Test Sequence ..........................................................141
6.5.4.2 To Run an Automatic Test Sequence ....................................................142
6.5.5 Test Settings. ...................................................................................142
Chapter 7: The ISTS Test ................................................................................................................ 145
7.1 Hearing Aid Setup. ...................................................................................146
7.2 The ISTS Test .........................................................................................147
Chapter 8: Real-Ear Measurements ............................................................................................ 149
8.1 Introduction .........................................................................................149
8.1.1 Understanding the Real-Ear Screens ...........................................................149
8.1.2 Navigating through the Real-Ear Screens.......................................................150
8.2 Real-Ear Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
8.2.1 Placing the Sound Field Speaker ...............................................................150
8.2.2 Placing the earhook and reference microphone ...............................................151
8.2.3 Inserting the probe tube .......................................................................152
8.2.4 Leveling the Sound Field Speaker..............................................................156
8.2.5 Setting up Body Aids ...........................................................................157
8.2.6 Using the Monitor Headset. ....................................................................158
8.3 Real-Ear Targets. .....................................................................................158
8.3.1 Entering an Audiogram. ........................................................................158
8.3.2 Deleting Audiometric Information .............................................................159
8.3.3 Creating a Target ...............................................................................159
8.3.4 Entering Bone Data .............................................................................160
8.3.5 Performing an RECD measurement.............................................................160
8.3.6 Modifying a Target .............................................................................163
8.3.7 Entering an REDD transform. ...................................................................165
8.4 Real-Ear Measurements. .............................................................................165
8.4.1 Measuring in the Insertion Gain screen ........................................................165
8.4.2 Measuring in the Real-ear SPL screen ..........................................................167
8.4.3 Measuring the Unaided Response (REUG/REUR) ..............................................168
8.4.4 Measuring the Aided Gain in the Insertion Gain Screen........................................170
8.4.5 Measuring the Aided Gain in the Real-ear SPL Screen .........................................171
8.4.6 Working with prescription targets..............................................................172
8.4.7 Using Semi-Auto and Fully-Auto Mode .........................................................173
8.4.8 Testing with a single tone or three frequency average..........................................174
8.4.9 Using the reference microphone ...............................................................174
8.4.10 Viewing numerical curve data ................................................................175
8.4.11 Temporarily Clearing the display and Deleting measurements ................................176
8.4.12 Using Smoothing in measurement curves .....................................................177
8.4.13 Using Output Limiting. ........................................................................178
8.4.14 Measuring the occlusion effect................................................................179
8.5 Digital Hearing Aids. .................................................................................180
8.5.1 Using Digital Speech ...........................................................................180
8.5.2 Choosing a speech weighting ..................................................................180