128 FONIX FP35 Hearing Aid Analyzer
If you measure the unaided response in the Audiogram Entry screen, the mea-
surement results will be copied into the Unaided and Aided screen for use with
insertion gain measurements. Likewise, any unaided measurement made in one
of the real-ear measurement screen will be copied into the Audiogram Entry
screen.
1. Press [MENU] in the Audiogram Entry Screen.
2. Select the desired EAR using the arrow keys.
3. Select SPEAKER in the ASSESSMENT field using the arrow keys.
4. Select the azimuth used (0º or 45º) when performing the audiometric assess-
ment in the SOUND FIELD entry by using the arrow keys. This will be the
azimuth you should use in your real-ear measurements.
5. Press [EXIT] to return to the Audiogram Entry Screen.
6. Press [F2] repeatedly until REUR is selected.
7. Set up the client for an unaided measurement with the reference micro-
phone on an earhook above the client’s ear and the probe tube inserted into
the ear. See Figure 5.2.4B. The speaker should be 12 inches from the client
at the selected azimuth.
8. Press [F5] to level the sound field speaker.
9. Press [START/STOP] to measure the unaided response. This unaided
response will be available for use and display in the Real-Ear Measurement
Screens. See Figure 5.3.8.
Figure 5.3.8—Unaided Measurement in the Audiogram Entry Screen
