Maico MA 25 Operating Manual
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- Operation manual (40 pages) ,
- Quick user manual (2 pages) ,
- Operating instructions manual (25 pages)
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Summary of Contents for Maico MA 25
- Page 1 MA 25 Operating Manual MAICO Diagnostics | 10393 West 70 Street | Eden Prairie, MN 55344, USA | Toll Free 888.941.4201...
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Page 2: Table Of Contents
..............................Description ....................................... 2 2.1. Extended Function ............................2 2.2. Important safety note ............................. 3 2.3. Unpacking and checking the MA 25 ....................... 5 2.4. Standard accessories ............................5 2.5. Optional accessories............................5 2.6. Connecting the accessories ..........................6 ........................ -
Page 3: Introduction
MA 25 Operating Manual 1. Introduction Thank you for selecting one of our quality products from the MAICO family range. The MA 25/MA 25e is designed and manufactured to meet all quality and safety requirements. Particular attention has been taken during the designing phase of the MA 25/MA 25e to ensure its user-friendliness, meaning that its operation is simple, easy to learn and to understand. -
Page 4: Description
2. Description 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. -
Page 5: Important Safety Note
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. - Page 6 MA 25 Operating Manual 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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Page 7: Unpacking And Checking The Ma 25
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 annual instrument check-up. -
Page 8: Connecting The Accessories
MA 25 Operating Manual 2.6. 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. Figure 1 Rear and bottom of the MA 25... -
Page 9: Function Of Buttons And Display
MA 25 Operating Manual 3. Function of buttons and display Power On and Power Off Attention: Power on is only possible if headphones are plugged-in! To turn on the audiometer press the Tone Switch button. To power off the audiometer press the level dialer and frequency dialer for a few seconds. The audiometer will also automatically power off after 3, 4, 5 minutes (or not) depending on the settings. -
Page 10: Function Buttons
MA 25 Operating Manual 3.1. Function buttons MA 25 : Select the Right ear. MA 25e : Toggle between right and left. MA 25 : Select the Left ear. MA 25e : Store threshold. Pulse – Pulse Off: Manual tone presentation; Pulse On: Pulsing Tone will be presented when tone switch is pressed. -
Page 11: Display
Response: When using the patient response switch, a response is indicated in the middle of display header. Power On or Battery status: The power status of the MA 25 is indicated in the top right corner of the display header. -
Page 12: Performing Tone Audiometric Tests
MA 25 Operating Manual 4. Performing tone audiometric tests Hearing threshold levels can be determined by presenting test signals to the test subject with the included earphones (air conduction – AC). The purpose of AC audiometry is to establish the hearing sensitivity at various frequencies. -
Page 13: Auto Threshold
MA 25 Operating Manual Threshold Determination: The test normally starts at 1000 Hz on the patient's better ear with the L/R switch adjusted accordingly. procedure of “down 10dB, up 5dB” is typically utilized to establish a threshold at each frequency. -
Page 14: Setup Menu
MA 25 Operating Manual 5. Setup menu To access the MA 25 Setup menu press F1 and F4 simultaneously for 2-3 seconds. Change setting Browse up in the setup menu Browse down in the setup menu Save settings and Back to previous screen display – see below for details Power Up Tone Press Change to toggle between Manual and Reverse. - Page 15 MA 25 Operating Manual Power Off Settings Press Change to toggle between Never, 1, 2, 3, 4, or 5 minutes. Pulse Length Press Change to toggle between 250 msec and 500 msec. Language Press Change to toggle between English, German, Spanish, and French.
- Page 16 Press Change to toggle between On or Off. Press Save to return to the main Setup menu License Press Change to access the license key of the MA 25. Press Change to enter and modify the license key. Use the Hearing...
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Page 17: Warranty And Disclaimer
Warranty, Maintenance and After-Sales Service Hardware The MA 25 audiometer is guaranteed for 1 year. This warranty is extended to the original purchaser of the instrument by MAICO through the Distributor from whom it was purchased and covers defects in material and workmanship for a period of one year from date of delivery of the instrument to the original purchaser. -
Page 18: Care And Maintenance
MA 25 Operating Manual 7. Care and maintenance Disconnect the unit’s energy source before cleaning! If the surface of the instrument or parts of it is contaminated, it can be cleaned using a soft cloth moistened with a mild solution of water and dish washing cleaner or similar. The use of organic solvents and aromatic oils must be avoided. -
Page 19: Safety Regulations
MA 25 Operating Manual 8. Safety regulations Electrical safety 8.1. 8.2. The MA 25 is in compliance with Class B of EN 60601-1. The instrument is not to be used in environments dealing with explosive material or equipment. Measurement safety 8.3. -
Page 20: Technical Data
MA 25 Operating Manual 9. Technical data Standards: Audiometer : EN 60645-1/ANSI S3.6, Type 4 Safety : EN 60601-1 EMC : EN 60601-1-2 Frequencies and Maximum Intensities: Freq. Hz. AC (Air Condition) dB 1000 1500 2000 3000 4000 6000 8000... - Page 21 MA 25 Operating Manual Auto Threshold: Patient controlled Hughson-Westlake procedure according to ISO 8253-1 Store Function: Soft key (F-key) store button and internal memory for AC L/R. Stored measurements can be view on built in display. Distortion: 0.3% typical at full intensity...
- Page 22 MA 25 Operating Manual Checklist for Subjective Audiometer Testing - Clean the ear and head cushion! Instrument:........- Untangle all lines when necessary Manufacturer:…........ - Are the headphone cushions in good condition? Serial No.:......... If not replace Examiner:........- Are plugs and leads in good condition/ undamaged?
- Page 23 MAICO Diagnostics 10393 W. 70 Street Eden Prairie, MN Tel.: 888.941.4201 Fax: 952.278.4481 E-mail: info@maico-diagnostics.com Internet: www.maico-diagnostics.com 1162-1004 Rev C 03/12...