FONIX® 8000 - Frye Electronics

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120 FONIX <strong>8000</strong> Hearing Aid Test System 5.4 JIS Delays The following settings only appear when the User mode is set to Advanced. • OSPL90 Sweep Start Delay – The delay after the first tone is presented in the OSPL90 sweep and before the first measurement is taken. • OSPL90 Sweep Meas Delay – The delay between frequencies in the OSPL90 sweep. • Res Crv Sweep Start Delay – The delay after the first tone is presented in the response curve and FOG sweeps and before the first measurement is taken. • Res Crv Sweep Meas Delay – The delay between frequencies in the response curve and FOG sweeps. • Misc Start Delay – The delay after the first tone is presented and before the first measurement is taken in the HFA/SPA, reference test gain, equivalent input noise, and harmonic distortion measurements. • Misc Meas Delay – The delay between frequencies in the measurements mentioned above. • I/O Start Delay – The delay after the first tone is presented in the I/O sweep and before the first measurement is taken. This is settable for each I/O frequency. • I/O Meas. Delay – The delay between frequencies in the I/O sweep. This is settable for each I/O frequency. • Attack Window – The amount of time the analyzer measures the attack time of the hearing aid. Select a time that is at least twice as long as the attack time specified by the manufacturer. This is settable for each frequency at which attack time is measured. • Release Window – The amount of time the analyzer measures the release time of the hearing aid. Select a time that is at least twice as long as the release time specified by the manufacturer. This is settable for each frequency at which release time is measured. The JIS 2000 automated test sequence allows you to testing hearing aids according to the Japanese Instrument Standard. 5.4.1 Entering the JIS Screen By factory default, the [F6] key in the Opening screen will immediately open the JIS test screen when the JIS Option is included. You can verify this operation by looking at the label for [F6] in the Opening screen. However, the [F4] through [F7] keys are user configurable and may have been changed. If this is the case, you may have to assign one of these keys to JIS.
Automated Test Sequences 121 To configure the F4-F7 keys in the Opening screen: 1. Press [MENU] in the Opening screen. 2. Change one of the F4–F7 selections in the General Default Settings window under Opening Screen to JIS. 3. Use [F8] to save the setting (and all other settings in the Setup Menus) as default selections. See Sections 2.2.1 and 2.2.4 for details. 4. Press [EXIT] to return to the Opening screen. Your new selection for the F4–F7 keys should be displayed in the function key list at the bottom of the screen. 5. Press the function key you selected in Step 2 to enter the JIS screen. 5.4.2 Running JIS Follow these instructions to run a JIS automated test sequence. 1. Enter the JIS test screen as described in Section 5.4.1. 2. Use [F1] to select the ear. 3. Use [F2] to select the aid type: Press [F2], use [, ] to make your selection, and [] to complete the selection and close the pop-up menu. 4. Use [F3] to select the amplitude of the full-on gain measurement. 5. Use [F4] to select the test frequency that you want to use. 6. Use [F5] to select the type of coupler you are using for the test. The 2-cc selection is used for the HA-1 and HA-2 coupler. The MZ selection is used for the MZ couplers. 7. Press [MENU] and use the arrow keys to make any desired changes to the menu items. See Section 5.4.5 for more details. Press [EXIT] to close the local menu. 8. Press [START] to start the test sequence. The instrument will run a measurement and then pause. 9. Turn the gain of the aid down to the reference test position. Match the target value within 1 dB. 10. Press [START] to complete the test sequence. 11. Press [PRINT] to print test results.
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Appendix A 199 Specifications ACOUS
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Specifications 201 Size: 11.5"W x 1
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204 FONIX 8000 Hearing Aid Test Sys
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Appendix C 209 Calibration There ar
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Calibration 211 6. Thread the probe
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Appendix G 223 Glossary of Terms AG
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Glossary of Terms for the FONIX 800
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Appendix H 229 The FONIX Keyboard A
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FONIX® 8000 - Frye Electronics

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