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Summary of Contents for Frye FONIX FA10
- Page 1 Using the FONIX FA10 Audiometer for the TEN(HL) Test Diagnosis of dead regions in the cochlea...
- Page 2 Using the FONIX FA10 Audiometer for the TEN(HL) Test Diagnosis of dead regions in the cochlea Calibration 1. Set the Input dials on the left and right sides of the audiometer to External, and the Output dials on the left and right sides of the audiometer to Phone.
- Page 3 3. Press the Reverse button for both audiometer channels in order to play the CD track continuously. 4. Play Track 1 on the CD player and adjust the left and right External knobs so that the VU meters read 0 for both channels. Performing the TEN (HL) Test 1.
- Page 4 Output Output Bone Speaker Bone Speaker Left Phone Phone Right Channel Channel � � � � � Input Input Tone Narrow Tone Narrow Band Band Noise Noise Speech Speech External External Noise Noise � White White Right Left � � �...
- Page 5 3. Play Track 2 on the CD player. This track contains a puretone at 500 Hz. Use it to obtain the patient’s threshold value at that frequency by using the Right Hearing Level knob to adjust the signal level and the Right Stimulus button to present the tone. Use the -2.5 dB button for best accuracy.
- Page 6 - Track 6: 2000 Hz - Track 7: 3000 Hz - Track 8: 4000 Hz 5. Add the noise signal to the puretone signal (both signals will be presented to the test ear simultaneously) by setting the de- sired noise level using the Left Hearing Level knob and push- ing the Left Reverse button to turn the noise on continuously.
- Page 7 frequency. Use the -2.5 dB button for best accuracy. The Right Hearing Level knob controls the puretone level and the Left Hearing Level knob controls the noise level. 7. Compare the masked threshold to the puretone threshold and the noise level. If the masked threshold is 10 dB above both the puretone threshold and the noise level for a particular fre- quency, then there is probably a dead region in the ear at that frequency.
- Page 8 - If for a particular frequency, the puretone threshold is 50, the noise level used for the test was set to 60 dB, and the masked threshold is 65 dB, there is not a dead region at that frequency. 8. Re-test the puretone threshold at any frequency that has been determined to be a dead region.
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