Maico MA 41, Руководство по эксплуатации

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Operation Manual MA 41
8100456 Rev.9 55 01/16
Appendix A: Checklist for subjective Audiometer Testing
- Clean the ear and head cushion!
- Untangle all lines when necessary!
- Are the headphone cushions in good condition?
If not

replace.
- Are plugs and leads in good condition/ undamaged?
- Are all controls working properly?
- Is the Patient Response Key working properly (if available)?
- Check batteries and renew if necessary!
Instrument:........................................
Manufacturer:…................................
Serial No.:.........................................
Examiner:........................................
Test Signal Quality
All the test frequencies in the below table indicate typical hearing level and can be changed when necessary:
Masking: “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
30 dB
HL
50 dB
HL
70 dB
HL
BC
30 dB
HL
50 dB
HL
* When noise “B”, “G”, “V” or “S” is blocked, inform the service center!
* When the test tone is heard at the masking ear, contact the service center!
Air Conduction Audiogram
Right Ear Level Left Ear
kHz 0,2
5
0,5 1 2 3 4 6 8
0,2
5
0,5 1 2 3 4 6 8
kHz
Should
dB
HL*
Left
Earpiece
Is
dB
HL
Left
Earpiece
Right
Earpiece
**
Is
dB
HL
Right
Earpiece **
* Should is the last measurement of the patient
**For inverted measurement please reattach the headphone
If the frequency difference between „Should“ and „Is“ for one ear averages more than 10 dB, contact the SERVICE
CENTER!
Bone Conduction Audiogram
Right Ear Level Left Ear
kHz 0,2
5
0,5 1 2 3 4 6 8 0,25 0,5 1 2 3 4 6 8
kHz
Should
dB
HL
*
Is
dB
HL
If the frequency difference between „Should“ and „Is“ for one ear averages more than 10 dB, contact the SERVICE
CENTER!
Tested.............................................................................................
Date:...............................................................................................