Table of Contents Page
1 Introduction ........................................................................................... 2
1.1 Indications for Use Statement ....................................................... 2
1.2 Intended Use Statement ............................................................... 2
1.3 Essential Performance ................................................................... 2
2 Description ............................................................................................. 3
3 For your Safety ...................................................................................... 4
3.1 How to read this Operation Manual ................................................... 4
3.2 Regulatory Symbols ........................................................................... 5
3.3 General Precautions .......................................................................... 6
3.4 Electrical Safety and measuring security ............................................. 6
3.5 Device Control .................................................................................. 8
3.6 Electromagnetic compatibility (EMC) .................................................. 8
4 Getting Started ..................................................................................... 9
4.1 Unpacking the Instrument ................................................................. 9
4.2 Calibration of the Device ................................................................. 10
4.3 Where to Setup............................................................................... 10
4.4 Rear Panel Connections ................................................................... 11
5 Working with the MA 41 .................................................................... 12
5.1 Using the Control Panel of the MA 41 ............................................. 12
5.2 Functionality of Operating Elements ................................................ 13
5.3 The Display of the MA 41 ................................................................ 15
6 Measurement Methods of Audiometry .............................................. 16
6.1 Tone Audiometry ............................................................................ 16
6.2 Speech Audiometry ......................................................................... 23
6.2.7 Master Hearing Aid (MHA) ........................................................... 27
6.3 Monitoring ..................................................................................... 28
6.4 Talk Forward ................................................................................... 28
6.5 Documentation of the Results.......................................................... 29
6.6 Patient Management ....................................................................... 30
7 Quick Reference Guide ........................................................................ 32