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Maico MA 42 Operating Instructions
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Operating Instructi
ons MA 42
Operating_Instructions_8100460-6_MA42_e_15a
57
8100460-6
1/15
Appendix B: Cal
ibration values
and maximum l
evels
Calibration values
and Max Levels:
H
eadphone DD45
Coupler IEC 60
318
-3
,
F
orce 4-5 N, ANS
I and IEC
Frequency
[Hz]
Tone RETSPL
dB re 20µPa
NBN RETSPL
dB re 20µPa
Max Tone
[dBHL]
Max
N
BN
[
dB
H
L]
125
47.5
51.5
90
75
250
27.0
31.
0
110
95
500
13.0
17.0
12
0
110
750
6.5
11.5
120
110
1000
6.0
12.0
120
110
1500
8.0
14.0
120
110
2000
8.0
14.0
120
110
3000
8.0
14.0
120
110
4000
9.0
14.
0
120
110
6000
20.5
25
.
5
120
110
8000
12.0
17
.
0
110
100
Signal
IEC6064
5
-
2
RETSP
L
I
EC
Max
Lev
el
[
dB
H
L]
A
N
SI
S3.6
RETSPL
ANSI Max Level
[dBHL]
Speech
20
.
0
110
18
.
5
100
SN
20
.0
110
18
.
5
11
0
WN
0.0
110
0.0
110
58
60
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
5
2 Description
6
3 Getting Started
7
Unpacking the Instrument
7
Rear Panel Connections
9
Working with the MA 42
10
Using the Control Panel of the MA 42
10
Functionality of Operating Elements
11
The Display of the MA 42
13
5 Measurement Methods of Audiometry
14
Tone Audiometry
14
Pure-Tone Testing
15
High Tone Audiometry (Optional)
18
Bone Conduction Testing
18
Sound Field Testing
19
Uncomfortable Loudness (UCL) Testing
20
Most Comfortable Loudness (MCL)
20
The SISI Test
20
The Threshold Decay (Carhart) Test
23
Ablb
24
Mlb
24
Stenger
25
Langenbeck
26
Speech Audiometry
27
Input Calibration
27
Performing the Test
28
Speech Audiometry with Microphone or CD Player
29
Speech Audiometry with WAVE Files
30
Masking
31
Speech in Noise Tests
31
Master Hearing Aid (MHA)
32
Monitoring
33
Talk Forward
33
Documentation of the Results
33
Patient Management
35
6 Quick Reference Guide
37
General Setup
37
Startup Settings
37
Receiver Selection
37
Signal Selection
37
Tone and Speech Audiometry
37
How to Select Tone or Speech Audiometry Mode
37
Tone Audiometry
38
Speech Audiometry
39
Documentation of the Results
39
7 User Menu
41
Set up Date and Time
46
Set Printer Settings
46
8 Disinfection
48
9 Activation of Optional Features
48
10 Device Update
48
11 Connection to the PC
49
12 Technical Data
50
13 Warranty, Maintenance and After-Sales Service
55
14 Safety Regulations
56
Electrical Safety
56
Measuring Security
57
Device Control
57
Operation
57
Appendix A: Checklist for Subjective Audiometer Testing
58
Appendix B: Calibration Values and Maximum Levels
59
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Service Manual
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Manual
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Quick Guide
2 pages
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Maico MA 42 Specifications
General
Brand
Maico
Model
MA 42
Category
Medical Equipment
Language
English
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