Table of Contents Page
1. Introduction .................................................................................... 2
Indications for Use Statement ..................................................... 2
Intended Use Statement ............................................................. 2
Essential Performance ................................................................. 2
2. Description ...................................................................................... 3
3. For your Safety ............................................................................... 4
How to read this Operation Manual ............................................ 4
Regulatory Symbols .................................................................... 5
General Precautions ................................................................... 6
Electrical Safety and measuring security ...................................... 6
Device Control ........................................................................... 8
Electromagnetic compatibility (EMC) ........................................... 8
4. Getting Started ............................................................................... 9
Unpacking the Instrument .......................................................... 9
Calibration of the Device .......................................................... 10
Where to Setup ........................................................................ 10
Rear Panel Connections ............................................................ 11
5. Working with the MA 42 ............................................................. 12
Using the Control Panel of the MA 42 ...................................... 12
Functionality of Operating Elements .......................................... 13
The Display of the MA 42 ......................................................... 16
6. Measurement Methods of Audiometry ....................................... 17
Tone Audiometry ..................................................................... 17
6.1.1 Pure Tone Testing ................................................................. 18
6.1.1.1 Masking ............................................................................... 19
6.1.2 High Tone Audiometry (optional) .......................................... 21
6.1.3 Bone Conduction Testing ...................................................... 21
6.1.4 Sound Field Testing (optional) ............................................... 22
6.1.5 Uncomfortable Loudness (UCL) Testing ................................. 22
6.1.6 Most Comfortable Loudness (MCL) ....................................... 23
6.1.7 The SISI Test ......................................................................... 23