Maico MA 25e Operating Instructions Manual Download | Manualshive

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Operating Instructions

MA 25 / MA 25e

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Summary of Contents for MA 25e

Page 1: ...Operating Instructions MA 25 MA 25e...

Page 2: ......

Page 3: ...g 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 audi...

Page 4: ...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 function...

Page 5: ...ing 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 hear...

Page 6: ...IRE 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 d...

Page 7: ...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...

Page 8: ...ction 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 Position Symbol Function 1 Battery Compartment for three...

Page 9: ...ower off after 3 4 5 minutes or not depending on the settings Pure Tone Presentation Frequency Turn the Frequency Hz dialer to select another frequency Level Rotate the Hearing Level dB dialer to incr...

Page 10: ...forward level can be adjusted Hughson Westlake The following MA 25e F key functionalities can be accessed by pressing the frequency dialer F1 Delete all thresholds stored in the internal memory of th...

Page 11: ...atus of the MA 25 MA 25e is indicated in the top right corner of the display header The icon will change depending on whether the instrument is powered via an external source power supply or USB conne...

Page 12: ...now hear a variety of pitches with various loudness levels Please push the response switch when you hear a tone and release the button when you no longer hear it If not using the response switch ask...

Page 13: ...s and Back to previous screen display see below for details Power Up Tone Press Change to toggle between Manual and Reverse Man Tone is presented as long as the Tone Switch is activated Rev Tone will...

Page 14: ...n 1 dB and 5 dB 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 E...

Page 15: ...to toggle between Familiarization On Off Familiarization is used to train the patient Press Change to toggle between 2 correct out of 3 answers and 3 correct out of 5 answers The conditions used befor...

Page 16: ...0 750 1 500 2 000 3 000 4 000 6 000 and 8 000 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 MA 25e Pr...

Page 17: ...mmended by your dealer We urgently advise you against attempting to rectify any faults yourself or commissioning non experts to do so In the event of repair during the guarantee period please enclose...

Page 18: ...sducer before they are cleaned By frequent cleaning water should be used but by severe contamination it may be necessary to use a disinfectant The use of organic solvents and aromatic oils must be avo...

Page 19: ...asurement an annual inspection and calibration should be performed The annual check ups can be performed by one of MAICO s authorized service centers MAICO will not be liable for any failure to comply...

Page 20: ...95 95 90 85 Inputs Patient response switch USB Power Supply Outputs Left AC Right AC Attenuator 10 to 100 dB HL in 5 dB steps Tone Presentation Manual or reverse chosen in Setup Menu Multiple pulses 2...

Page 21: ...o ISO 389 1 with coupler IEC 60 318 3 dB re 20 Pa 125 47 5 250 27 0 500 13 0 750 6 5 1000 6 0 1500 8 0 2000 8 0 3000 8 0 4000 9 0 6000 20 5 8000 12 0 Calibration Values AC Headphone Radioear DD65 Forc...

Page 22: ...asured with Coupler IEC 60 318 3 dB re 20 Pa Sound Masking dB 125 39 5 12 5 250 25 14 5 500 18 5 18 5 750 13 5 1000 12 0 25 1500 10 0 2000 9 5 36 5 3000 9 0 4000 9 0 44 6000 19 5 8000 20 0 35 Calibrat...

Page 23: ...charts etc Power 3 type AA batteries External Power supply Batteries Automatic battery on off switching Automatic battery status indication External Power Supply 5V DC 100 240 V AC 50 60 Hz USB Conne...

Page 24: ...necessary B for Buzz tone G for Noise V for signal distortion S for switching masking noise Right Ear Level Left Ear kHz 0 25 0 5 1 2 3 4 6 8 0 25 0 5 1 2 3 4 6 8 kHz AC 30dB HL 50dB HL 70dB HL When...

Page 25: ...rating instructions_8012238 4_MA25_E_13a 23 8012238 4 10 13 Specifications are subject to change MAICO Diagnostic GmbH Salzufer 13 14 10587 Berlin Germany Tel 49 30 70 71 46 50 Fax 49 30 70 71 46 99 E...

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