146 FONIX FP35 Hearing Aid Analyzer
more gradually with more averaging. If the noise reduction is turned to a low
number or OFF, the measurement curve will update more quickly with less
averaging.
10. Press [EXIT] to close the local menu.
To start measuring:
1. Press [START/STOP] to start the measurement.
2. Instruct your patient’s spouse speak to the client about 6 feet away (2
meters). It helps to have something for them to read. The screen will display
the aid’s response to this speech and how it relates to the displayed speech
banana. If you chose the BARS setting in step 8, you will also see a succes-
sion of bars on the screen, indicating the maximum peaks of the speech. If
you chose the AVERAGE setting, you will see a second curve composed of
small diamonds indicating the long term average response over the time of
the test. See Figure 5.6.1.
Figure 5.6.1—Visible Speech Testing
3. Press [START/STOP] to stop the measurement. Show your patient and his
spouse how the hearing aid amplified the speech.
4. Press [F2] to select AIDED 2 and [START/STOP] to start a second measure-
ment.
5. Instruct your patient’s spouse to stand 3 feet away (1 meter) and speak again.
6. Press [START/STOP] to stop the measurement. Show your patient and his
spouse how the distance improved the gain of the frequency response.
