FONIX® 8000 - Frye Electronics

68 FONIX 8000 Hearing Aid Test System
3.4.4 Deleting measurements and settings
Use the [F4] key to permanently delete measurement curves. When you press it,
there are four possible selections:
• Selected Curve: Delete only the selected curve, but keep the curve selections
(usually source type and level).
• Sel Curve & Settings: Delete selected curve and return curve to analyzer
default setting.
• All Curves: Delete all curves, but keep the curve selections.
• All Curves & Settings: Delete all curves and return them all to analyzer
default settings.
To delete a curve:
1. Press [F4].
2. Use [, ] to make the desired deletion type.
3. Press [] to perform the deletion and close the pop-up menu.
3.4.5 Running a Single Frequency Measurement
At times, you may want to find out what the frequency response of the hearing
aid is to a single pure-tone signal. See Figure 3.4.5.
1. Press [MENU] from the Coupler screen.
2. Use [, ] to select Static Tone under Source Settings.
3. Use [, ] to choose SINGLE.
4. Press [EXIT] to return to the Coupler screen. The single tone will automatically
be running.
5. Adjust the frequency using the [, ] buttons. Adjust the amplitude using
the [,] buttons.