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Madsen ZODIAC 901
otometrics Madsen ZODIAC 901 User Manual
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901
Middle Ear Analyzer
User Manual
Doc no. 7-25-1800/1
1
Part no. 7-25-180
0459
2
Table of Contents
Default Chapter
3
Default Chapter
3
Table of Contents
3
1 Introduction
7
Features of the Zodiac 901
7
Applications of the Zodiac 901
9
About this Manual
11
Standards
11
Safety
12
Service and Repair
12
2 Installing the Zodiac 901
13
Unpacking and Inspection
13
Storage and Shipment
13
Installation
14
Care and Maintenance
16
Cleaning the Probe
16
Fuse Replacement
17
3 General Description
19
General
19
Front Panel Layout & Controls
19
Manual Mode
21
Auto Mode
21
Select
22
Alt. Select and Setup
22
Other Front Panel Controls
23
Indicator Lamps
24
Liquid Crystal Display
24
Start-Up
25
Main Menu
26
New Patient
27
Identification
28
Daily Calibration
29
Default Configuration
30
Easy and Advanced Modes
30
Headset and Probe
31
Eartips
32
Using the Headset and Probe
32
4 Manual Mode
35
Tympanometry
36
Manual
37
Auto Sweep
39
Etf-I, Intact Eardrum
42
Etf-P, Perforated Eardrum
43
Reflex Testing
45
Manual Reflex
46
Screening
48
Decay
49
Marker Function
51
User 1 / User 2
51
Threshold Testing
52
Threshold Reflex
53
Fast Screening
55
Air Conduction
57
5 Supplementary Functions
59
Alt. Select
59
Erase Data
59
Smooth
59
Data Transmit
59
Left/Right Shift
60
Contrast
60
Marker
60
Setup
62
Tympanometry (Incl. Etf-I)
63
Reflex Testing
64
Reflex
65
Threshold
65
Air Conduction
66
Fast Screening
66
Printer
66
Paper Loading
67
Print All
68
Print Data
68
Printout
68
Screen Dump
68
6 Auto Mode
69
Madsen Electronics Preset Test Menu
69
User-Programmable Tests
70
7 Power-On Options
71
User Test Programming
71
System Setup
75
8 Principles of Middle-Ear Analysis
77
Mechanical Impedance
77
Mismatching of Mechanical Impedances
78
Matching of Mechanical Impedances
78
Resistive Loss of Vibration Energy
78
The Structure of the Ear
79
The Effect of Loud Sounds
80
Measuring Acoustic Impedance
81
Tensioning of the Eardrum
82
The Principle of Tympanometry
83
Practical Considerations
84
Tympanogram Characteristics
85
9 Diagnosis of Auditory Disorders
87
Disorders and Their Symptoms
87
Middle-Ear Fluid and Effusion
87
Disruption of the Ossicular Chain
87
Otosclerosis
87
Perforated Eardrum
87
Occluded Eustachian Tube
87
Flabby Tympanic Membrane
88
Impacted Cerumen (Dried Ear Wax)
88
Patulous Eustachian Tube
88
Cochlear Hearing Loss
88
Aappendix: Technical Specifications
89
A Appendix: Technical Specifications
91
Appendix: Zodicon™ Parameters
91
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otometrics Madsen ZODIAC 901 Specifications
General
Brand
otometrics
Model
Madsen ZODIAC 901
Category
Measuring Instruments
Language
English
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