FONIX® 8000 - Frye Electronics

158 FONIX 8000 Hearing Aid Analyzer
8.2.6 Using the Monitor Headset
The 8000 Real-ear Option comes with a set of headphones that can be used to
listen to the real-ear measurement at the tip of the probe tube. This can be useful
for determining if the probe tube is blocked or if the patient is receiving amplification.
To use the monitor headset, plug it into the jack labeled MONITOR, and listen
to the headphones during the probe measurements.
Warning: Make sure you do not plug the monitor headset into the SPKR A or
SPKR B connector jacks. This could result in very loud sound from the sound
field speaker, which could damage your hearing if you are listening to the headphones.
Use the MONITOR connector jack ONLY when using the monitor headset.
8.3 Real-Ear Targets
This section describes how to enter a real-ear audiogram, enter or measure a realear
to coupler difference (RECD), and create or modify a real-ear target.
8.3.1 Entering an Audiogram
1. Enter the Real-Ear Navigation screen by pressing [F2] from the Opening screen
or [EXIT] from any real-ear screen.
2. Press [F1] to enter the Audiogram Entry screen. See Figure 8.3.1.
3. Press [F1] to select the desired ear.
4. Make sure HTL is selected above F2. You should see a cursor in the HTL column
for the selected ear in the middle of the display. If the cursor is in a different
column, press [F2] to select HTL.
5. Use the arrow keys to input the client’s HTL (hearing threshold level) values.
Use [, ] to input the amplitude. Use [, ] to select the frequency.
6. Use [MENU] to open the local menu and adjust the patient’s age. Press [EXIT]
to close the menu.
7. Use [F2] to select Bone in order to input the patient’s bone conduction values
if that is desired. You can copy the HTL values to the Bone column by using
F4 and selecting HTL to Bone. Bone values only affect the NAL-NL1 target.
8. Use [F2] to select UCL if you would like to input your client’s measured
uncomfortable levels. Press [F3] if you would like to predict the UCL values.
(Pascoe [1988] is used for calculating UCL values.)
9. Press [F4] and select COPY EAR with [, ] if you would like to copy the data
from the selected ear into the other ear. Press [] to make the selection. This
is useful if your client has a similar loss in both ears.
10. Use [F1] to switch ears and repeat steps 4-8.
To specify the transducer used to take the audiometric measurements, press
[MENU] and use the arrow keys to specify the Aud. Transducer under Targets.