FP40

FONIX FP40
FONIX FP40-D
Hearing Aid Analyzer

They are reliable, mid-range units with a wealth of programing. The Real Ear Measurments are a standard on the FP40-D and a popular option on the FP40 portable.

Quick Tests
The FP40 and FP40-D make it easy for you to look at a simple pure tone or composite response. You can even look at one frequency. Simply press a button if you wish to see data in numbers rather than chart curves.

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Composite Option
The composite signal provides for a real time measurement that tells you what is happening with the hearing aid immediately. The composite signal avoids the errors inherent in pure tone testing of AGC and signal processing aids that are called "artificial blooming of the lows." In addition, the composite signal will show you when the aid has intermodulation distortion.

Spectrum Analysis
You can use live speech as a great counseling tool.

Great Flexibility in Real Ear Measurements
The traditional insertion gain measurement is available. But you can also look at the measurments in SPL. The RECD process is also available. The Desired Sensation Level Program (developed at University of Western Ontario) is a standard with the Probe (Real Ear Option). The Audibility Index is available (Killion and Mueller). Thus, the measurments and target are all changed into Hearing Threshold Measurements. Percentages of audibility are shown for all curves.

Telecoil and Battery Drain Measurments
Two methods of telecoil are available. Purchase the telewand and you can get complete measurements called for in ANSI '96 specification. A telecoil board is an optional accessory. Four battery pills are standard for the FP40 and optional for the FP40-D. Battery pillas of every size is offered.

Printers
The built-in printer is quiet and fast. It is also possible to use an external color laser or inkjet printer.

CIC Option
This option includes a special coupler and correction factors that provide a much closer match to the real ear amplification to the average user.

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