Using the FONIX 7000 to Verify Coupler and Real-Ear Performance ...

Real Ear Measurements 39
Figure 50 – Real ear navigation screen function keys
3. Press [MENU] to open the real ear audiogram menu and select the appropriate
settings based on the patient’s audiogram and the hearing aid parameters.
These settings are important for the generation of real ear targets.
4. The clinician may now enter the patient’s audiogram. Use [F1] to select an ear
and press [F2] to select HTL to enter the patient’s hearing threshold levels.
Use the UP/DOWN arrow to select a frequency and use the RIGHT/LEFT arrows to select the
threshold level in 5 dB steps.
Figure 51 – Audiogram entry screen
5. If a patient’s hearing loss is conductive or mixed, it is important to enter bone
conduction thresholds when using the NAL-NL1 target. Press [F2] to select Bone
and use the procedure listed in Step 4 above to enter the patient’s bone
conduction thresholds.
6. Press [F2] to select LDL to enter a patient’s measured LDLs using the same
procedure listed in Step 4 above or press [F3] to use predicted LDLs.
7. If performing a binaural fitting and a patient has a similar hearing loss bilaterally,
you may press [F4] and select COPY EAR to copy data to the opposite ear. To
change individual threshold values as necessary, press [F1] to select the
appropriate ear and repeat Step 4 in order to make changes to the copied data.
8. Press [EXIT] to return to the Real Ear Navigation screen.