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MA 25e
DATA SHEET
2 pgs189.73 Kb0
User Manual
25 pgs709.37 Kb0
Operating Instructions Manual
25 pgs790.71 Kb0

Maico MA 25E, MA 25 User Manual

Instruction for Use MA 25 / MA 25e

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Table of Contents Page
1 Introduction ............................................................................................... 2
2 Description ................................................................................................ 3
2.1 Intended Use ................................................................................... 3
2.2 Important Safety Note ..................................................................... 4
2.3 Unpacking and Checking the MA 25 ............................................... 5
2.4 Accessories ...................................................................................... 5
2.5 Connecting the Accessories ............................................................. 6
3 Function of buttons and display ................................................................. 7
3.1 Function Buttons ............................................................................. 7
3.2 Special functions of MA 25e ............................................................ 8
3.3 Display ............................................................................................ 9
4 Performing Tone Audiometric Tests ..........................................................10
4.1 Performing Automatic Tone Audiometric Test (MA 25e) .................10
5 Setup Menu ..............................................................................................11
6 Warranty and Disclaimer ...........................................................................15
7 Care and Maintenance .............................................................................16
8 Disinfection ..............................................................................................16
9 Safety Regulations ....................................................................................17
8.1 Electrical Safety ..............................................................................17
8.2 Measurement Safety .......................................................................17
8.3 Instrument Handling .......................................................................17
8.4 Operation .......................................................................................17
10 Technical Data ........................................................................................18
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1 Introduction
Thank you for selecting one of our quality products from the MAICO family range. The MA 25 is designed and manufactured to meet all quality and safety requirements, and has been certified with the CE-symbol according to Medical Directive.
Particular attention has been taken during the designing phase of the MA 25 to ensure its user-friendliness, meaning that its operation is simple, easy to learn and to understand. As all the functions are software-controlled, upgrading the software and/or adding additional functions at a later date will be simple and cost-effective. By purchasing the MAICO MA 25, you have made a decision towards long-term investment.
This operating manual aims to make learning and understanding the different MAICO MA 25 functions as quick and as easy as possible. Should you encounter any problems or have ideas for any further improvements, we are only a phone call away. Please do not hesitate to contact us.
Your MAICO-Team
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2 Description
2.1 Intended Use
The MA 25 / MA 25e screening audiometer is designed to be a device for screening for hearing loss. Output and specificity of this type of device are based on the test characteristics defined by the user, and may vary depending on environmental and operating conditions. The screening for hearing loss using this kind of audiometer depends on the interaction with the patient. “Normal hearing” result should not allow for ignoring other contra indications. A full audiologic evaluation should be administered if concerns about hearing sensitivity persist.
The MA 25/MA 25e audiometer is intended to be used by an audiologist, hearing healthcare professionals, or technicians who have been trained by a hearing healthcare professional, in a quiet environment.
Extended Functions
The MA 25e extends the MA 25 functionalities with the following two extra features:
In addition to traditional manual testing, the MA 25e incorporates a Hughson Westlake patient controlled automatic threshold test complying with ISO 8253. When the test is completed the results are easily recalled from the internal memory of the MA 25.
Talk Forward function that makes the MA 25e easy to work with particularly in sound booth installations.
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2.2 Important Safety Note
The MA 25 should always be operated in a quiet room with minimal magnetic influence, to ensure that examinations are not disturbed by external noise.
Electro-medical instruments that emit strong electromagnetic fields (e.g. microwaves, radiotherapy devices) can affect the operation of the MA 25.
Therefore, the operation of these instruments in close proximity to the MA 25 should be avoided at all times.
The examination room should have a normal temperature between 15˚C/ 59˚F and 35˚C/ 95˚F. If the instrument has cooled down during transportation, please wait for it to warm up to room temperature before operation.
MAICO MA 25 is specified according to EN 60 601-1.
Attention
PLEASE READ THE ENTIRE MANUAL CAREFULLY BEFORE OPERATING THIS INSTRUMENT.
Please only use this instrument as described in the manual.
Please familiarize yourself with the instrument and its operation before using.
Should defects or damages be suspected, please do not, under any circumstances, use or attempt to fix the instrument yourself.
Calibration of the instrument: The audiometer and the headphone complement each other and share the same serial number (i.e. 7663252). Therefore, the instrument shall not be used with any other headphone prior to recalibration. Recalibration also needs to be conducted, when a defected headphone is replaced.
Uncalibrated instruments may lead to faulty measurements and sometimes even damage the hearing of the examinee.
Take note to ensure that all the accessories have been properly connected.
To avoid person-to-person cross contamination of communicable diseases, parts that come in direct contact with the patient (i.e. earphone cushions) should be disinfected using commercial disinfectant after each use.
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In accordance with the Electronic Equipment Act for disposal of electronic equipment, the customer is obliged to dispose of the used consumables, according to appropriate regulation at own cost.
To observe the CE-mark with an external power supply, the power supply must be CE-medical approved according to EN 60601-1.
2.3 Unpacking and Checking the MA 25
Checking for packaging and content damage
Thoroughly inspect the exterior of the shipping box for any sign of damage or tempering. Should any damage be noted, please notify the carrier immediately. If the content box has been damaged during transportation, the instrument should be checked for any electrical or mechanical defects. Should any defects be identified, please contact the responsible dealer. Keep all original packaging to facilitate any insurance claims against the damages.
PLEASE KEEP ALL ORIGINAL PACKAGING FOR FUTURE USE!
The MA 25 is packaged in a specially-designed box. Please keep the box as it will be useful for sending the instrument for the instrument check-up, as required by law.
Please contact your nearest responsible dealer when the check-up is needed.
2.4 Accessories
Audiometer MA 25 Audiometric Headset. 1 Pad with 50 audiogram charts Operating Instructions 3 batteries inside the device
MA 25 e - same like MA 25
Patient response switch Test Hughson-Westlake
Optional
Carrying bag
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Position:
Symbol:
Function:
1
Battery
Compartment for three batteries AA/LR6
2
Power / USB
Socket for external power supply
3
Patient Resp.
Socket for patient response switch
4
Right
Socket for right headphone
5
Left
Socket for left headphone
Figure 1 Rear and bottom of the MA 25
2.5 Connecting the Accessories
All the connection jacks can be found on the rear side of the MA 25. All the cables and accessories have to be connected before the instrument is switched on.
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