68
3.7.6
Exit Program Mode ................................................. 30
3.8
Tympanometry Only Mode ......................................... 31
3.8.1
Exit Tympanometry Only Mode ............................... 32
3.9
Tympanometry and Ipsilateral Reflex Mode ................ 32
3.9.1
Programming Ipsilateral
Acoustic Reflex Test Frequencies ........................... 33
3.9.2
Exit Tympanometry/Reflex Mode ............................ 34
3.10 Audiometry Test Sequence
(Models with Audiometer Only) ................................ 34
3.10.1
Screening Audiometry ............................................. 35
3.10.2
Threshold Audiometry ............................................. 36
3.10.3
Exit Audiometry Mode ............................................. 37
3.11 Tests In Memory ......................................................... 37
3.12 Memory Erase ............................................................ 37
3.13 Printing Test Results ................................................... 37
Section 4—Test Results
4.1
Ear Canal Volume ....................................................... 39
4.2
Compliance Peak ........................................................ 39
4.3
Pressure Peak ............................................................ 40
4.4
Gradient ...................................................................... 40
4.5
Acoustic Reflex ........................................................... 41
4.6
Audiometry ................................................................. 42
4.7
Special Messages and Error Codes ........................... 42
4.8
Sample Test Results ................................................... 42
Section 5—RS-232 Interface
5.1
Introduction ................................................................ 46
5.2
Operation .................................................................... 46
5.3
Record Formats .......................................................... 47
5.3.1 General Record Format .............................................. 47
5.3.2 Tympanometry and Reflex Test Results Record ......... 47
5.3.3 Audiometry Test Results Record ................................ 50
5.3.4 Notes .......................................................................... 51
5.4
Data Transmission Protocol ........................................ 52
5.5
Data Transfer Program Mode ..................................... 53
5.6
RS-232 Interface ........................................................ 54
5.6.1 Interface Configuration ................................................ 54
5.6.2 Cable Connections ..................................................... 54
5.6.3 Communications Flow Control .................................... 54
Service and Warranty Information
.............................. 55
Specifications
..................................................................... 56
Glossary of Terms
.............................................................. 61
Bibliography
........................................................................ 62