FP35

FP35

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All hearing aids—old, new, conventional, and sophisticated—can and should be tested. The FONIX FP35 Hearing Aid Analyzer will tell the hearing health professional just how well the hearing aid is functioning and will provide objective documentation to demonstrate if the aid is in need of repair or replacement. When the Real-ear Option is ordered, the FP35 Hearing Aid Analyzer can also verify the hearing aid fitting using the NAL-NL1, DSL I/O, NAL-R, or one of the older fitting formulas. The FP35 Hearing Aid Analyzer comes standard with multi-curve coupler measurements and one of the following automated test sequences: ANSI 96/03, IEC, and JIS. Choose the second and/or third test sequence for a modest additional charge.

Real-time Composite Option
Most users find the Composite Option is well worth the additional cost. It provides a real-time test consisting of 79 frequencies presented simultaneously. In addition to the speed of the measurement (updating up to 5 times a second), the composite test shows the presence of any intermodulation distortion and provides a true measurement of AGC aids since it avoids the artificial blooming of the lows that occur with the traditional pure-tone tests

Testing digital aids
When you order the Composite Option, you also get the Digital Speech signal, a randomly interrupted composite signal. The hearing aid responds to this signal as if it were speech so that you can see how the aid works in quiet. You can choose from among several different speech weightings, including ANSI S3.42 and ICRA. This test is extremely fast, convenient, and understandable.

Testing in the real ear (Probe Option)

Because of the great variations in the ear canals of hearing aid users, doing a real ear measurement is an essential part of the fitting of a hearing aid. Yes, it does take a few extra minutes, but not as much time as a dissatisfied client will take. The FONIX FP35 Hearing Aid Analyzer provides an easy, comfortable way to test in the real ear. The tubes are soft and equalized at the end of the tube for accuracy. Real-ear measurements can be made in GAIN or SPL. The popular DSL and NAL-NL1 fitting formulas are incorporated into the instrument. RECD measurements are especially quick because you can save the coupler part of the measurement in permanent memory, so you do not have to repeat it each time you do an RECD measurement. Remember that when you program a hearing aid, the information that you see on the computer is only an approximation or a prediction. It does not take into account variations in individual ears or problems in a program or a hearing aid.

Testing with live speech
When you order the Composite Option, you also get the ability to test with live speech. This is especially useful in the Real-ear SPL test screen in which you can compare the live-speech measurement directly to the patient’s thresholds, uncomfortable levels, and real-ear target. Use the FP35’s built-in “noise reduction” feature to speed up the measurement to show the aid’s real-time response to speech, or to slow it down to see how the response averages over time. A speech banana and vertical bars, showing the aid’s maximum response inside the speech banana, can also be added to the display.

Suggestions for testing directional hearing aids
Directional hearing aids have again become quite popular. One very easy way to test the directional aids is to use the Composite Option in the real ear. If the client is sitting in a chair that revolves, as most office chairs do, just turn him or her around and you will be able to see very easily how the directional function is working. Alternately, you can purchase the optional swing arm and speaker package and move the speaker around the client.

Standard features on the FP35 Hearing Aid Analyzer

  • Computer compatibility
    The RS232 computer compatibility feature comes standard with the FP35 Hearing Aid Analyzer. This means that the FP35 Hearing Aid Analyzer works with all current FONIX Windows-based software products such as WinCHAP, the FONIX NOAH 3 Module, and FONIX Press & Go. Most upgrades to the FP35 are also done through a computer; we can even email you the upgrade program.
  • NOAH 3 Compatibility
    The FP35 Hearing Aid Analyzer is fully compatible with the FONIX NOAH 3 Module. This allows you to save all your coupler multi-curve and real-ear measurements to the NOAH 3 database.
  • Easy customization
    Sometimes the need of one user of the FP35 Hearing Aid Analyzer may be different from those of others who use the instrument. For that reason, the instrument provides three different setups, saving MENU selections that have been chosen from the many choices available. If only one person uses the instrument, that person can have three different setups for different situations that they encounter.
  • External printer capability
    All current FP35s can be connected to an external printer. Any HP or equivalent printer with HPCL version 3 or above (Hewlett-Packard Computer Language) can be used. The cable that is normally provided with the printer is all that is needed.
  • Digital data display
    Sometimes it is useful to look at the actual numbers when you make a measurement. All FP35s provide this choice.

External Monitor Option
The FP35 Hearing Aid Analyzer can now have the ability to be connected to an external video monitor, giving you a larger display that is more visible to both you and your patient. The external monitor works simultaneously with the built-in LCD display. Most computer monitors (including flat screens!) are compatible.

Why the FP35 is easy to use
Many people have told us that the operation of the FP35 Hearing Aid Analyzer seems very intuitive. That’s because it has buttons to push that help you know where to go next. The HELP, MENU, BACK and NEXT buttons simplify the learning process and speed up the testing. The balloon menus add to the flexibility and ease of use of the instrument.

Sophistication that leads to accuracy of measurement

The FP35 Hearing Aid Analyzer has an Advanced Menu that offers such features as smoothing, custom scaling of graphs, selected measurement delays (related to specific types of hearing aids)—all the things that help keep the FP35 free of common testing artifacts.

The FP35 Hearing Aid Analyzer has an Advanced Menu that offers such features as smoothing, custom scaling of graphs, selected measurement delays (related to specific types of hearing aids)—all the things that help keep the FP35 free of common testing artifacts.

More options

In addition to the options described above, the FP35 Hearing Aid Analyzer has a CIC (Completely In the Canal) Option and an OES (Occluded Ear Simulator) Option. A unique screening Audiometer Option is also of interest to some of our users. Please see the FP35 Options sheet for more information about all the options available on the FP35.
The development of the FP35 Hearing Aid Analyzer continues. More functions will be added.

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