Maico MA 25 User Manual

Operation Manual
MA 25/MA 25e
MA 27/MA 27e

Maico MA 25 Specifications

General

Type	Air conduction audiometer
Frequency Range (Hz)	125 - 8000
Intensity Range (dB HL)	-10 to 100
Frequency Accuracy	< 1%
Attenuation Steps	5 dB
Display	LCD
Output	Air Conduction (AC)

Summary

Safety and Precautions

Customer Responsibility

Outlines user duties for safe operation, maintenance, and liability.

General Precautions

Lists essential safety warnings for device handling and usage.

Electrical Safety and Measuring Security

Details electrical safety measures, power connections, and emergency procedures.

Device Operation

Getting Started with MA 25/MA 25e and MA 27/MA 27e

Initial steps for device setup, acclimatization, and placement.

Function Keys

Details the purpose and operation of the device's function keys (F1-F4).

MA 25e/MA 27e Special Functions

Preparing for Testing

Instructions for patient setup, instructions, and correct headphone placement.

Tone Setup Menu

Guide to configuring tone presentation settings, including frequency and intensity.

Managing Test Results

Procedures for deleting and transferring test data to a PC.

Technical Specifications and Data

MA 25/MA 25e/MA 27/MA 27e Hardware

Details device specifications, standards, and power requirements.

Calibration Values and Maximum Levels

Electromagnetic Compatibility (EMC)

Specific EMC compliance details and recommended accessory usage.

Checklist for Subjective Audiometer Testing