Talk Forward ........................................................................................................................................... 30
Interlock .................................................................................................................................................. 30
Tracking .................................................................................................................................................. 30
Status / Audiogram Button ...................................................................................................................... 30
Data Transfer ........................................................................................................................................... 30
Printing .................................................................................................................................................... 31
Stimulus Channel 1 ................................................................................................................................. 34
Stimulus Channel 2 ................................................................................................................................. 34
Transducer Output Selector ..................................................................................................................... 35
Routing Output ........................................................................................................................................ 35
Attenuators (HL Controls)....................................................................................................................... 36
Channel 1 Present Bar / Interrupt ............................................................................................................ 36
Channel 2 Interrupt Button ...................................................................................................................... 36
Frequency Up / Down ............................................................................................................................. 36
Data Store ................................................................................................................................................ 36
Navigation Controls ................................................................................................................................ 37
Scorer / Timer .......................................................................................................................................... 37
Monitoring ............................................................................................................................................... 37
Test Type Buttons ................................................................................................................................... 37
Function Buttons ..................................................................................................................................... 38
Chapter 5: Test Type Displays .................................................................................................................... 39
Monitor .................................................................................................................................................... 39
Tone Test Type - Audiogram .................................................................................................................. 41
Tone Test Type - Status........................................................................................................................... 45
Speech Test Type - Status ....................................................................................................................... 46
Speech Test Type - Audiogram ............................................................................................................... 51
More Test Type ....................................................................................................................................... 52
Chapter 6: Operation ................................................................................................................................... 53
Preliminary Checks ................................................................................................................................. 53
Typical Evaluations ................................................................................................................................. 54
Test Type Buttons ................................................................................................................................... 54
Routine Test Procedures .......................................................................................................................... 56
Threshold Determination (Pure Tone): Modified Hughson-Westlake .................................................... 56
Spondaic Speech Testing, Speech Reception Threshold (SRT) .............................................................. 57
Word Recognition (PB Words) ............................................................................................................... 57
Stenger test .............................................................................................................................................. 58