Manual de instrucciones de Frye FONIX FP40D

Manual de instrucciones del aparato Frye FONIX FP40D

Aparato: Frye FONIX FP40D
Categoría: Audífono
Fabricante: Frye
Tamaño: 1.13 MB
Fecha de añadido: 3/6/2014
Número de páginas: 164
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

®
FONIX FP40/FP40D
PORTABLE HEARING AID ANALYZER
OPERATOR’S MANUAL
A Note on this Manual
The instructions in this manual are for software version
3.70 and above, with references to earlier software.
However, you may contact Frye Electronics for a more
appropriate manual if you have earlier software.
Software Version 3.70 © September 2005 Frye Electronics, Inc.
Rev. Jun. 04, 2007 All Rights Reserved.

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Table of Contents Chapter 1: Introduction 1.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Hardware History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 Features & Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3.1 Composite/Digital Speech Option . . . . . . . . . . . . . . . . .

Resumen del contenido incluido en la página 4

2.3.2 Customizing the function keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.4 Source Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.4.1 Understanding Pure-tone signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.4.1.1 Pure-tone settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.4.1.2 Noise Reduction. . . . . . . . . .

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3.4.6 Viewing harmonic distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 3.4.7 Viewing battery current drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.4.8 Switching between gain and output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.4.9 Testing with the reference microphone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.5 Digital Aids . . . . . . . . . . . . . . . . . . . . . . . . .

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Chapter 5: Real-Ear Measurements 5.1 Preparation for Real-Ear Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.1.1 Setting up the analyzer for testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.1.1.1 To set up the microphones and monitor headset. . . . . . . . . . . . . . . . . . . . 73 5.1.1.2 To set up the internal sound field speaker. . . . . . . . . . . . . . . . . . . . . . . . . 74 5.1.1.3 To set up an external sound field

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5.8 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 5.8.1 Single frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 5.8.2 Smoothing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 5.8.3 Reset Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 5.8.4 Data Displa

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If you are located in the European Union, please report all safety-related concerns to our autho- rized representative: Siemens Hearing Instruments Alexandra House Newton Road Manor Royal Crawley West Sussex RH109TT England Otherwise, please report all safety-related concerns to: Frye electronics, Inc. P.O. Box 23391 Tigard, OR 97281-3391 USA Frye Electronics is a Registered Firm of British Standards Institution, and we conform tothe ISO 13485 standard viii

Resumen del contenido incluido en la página 9

Chapter 1: Introduction 1.1 Description Hearing aid analyzers are designed to give the user accurate information on how much amplifica- tion the aid provides, which frequencies it amplifies, how loud it can get, and how much distortion and noise are present. Information is displayed in both graphs and in number tables, and can be printed as desired. The FP40 Hearing Aid Analyzer is the third generation of portable analyzers manufactured by Frye Electronics. It incorporates a tilt-up, wide-

Resumen del contenido incluido en la página 10

Also in 1994, we introduced the FP40-D desk model analyzer. This unit is always equipped with the real ear testing function. In order to minimize costs, the Battery Pack Option is not available on this unit and some accessories (battery pills and monitor headset) that are standard on the FP40 are optional with the FP40-D. Since this unit does not have a lid, a separate soft carrying case is avail- able for those who want to carry the unit from place to place. In 1996, we improved the sound c

Resumen del contenido incluido en la página 11

The use of the Composite or Digital Speech signals can uncover the presence of intermodulation distortion in a hearing aid. Intermodulation distortion is the distortion that results when two or more frequencies are delivered to the hearing aid simultaneously, resulting in the addition of fre- quencies to the output that were not present in the input. In other words, when you deliver a com- plex signal to the hearing aid, such as speech, the aid provides unexpected amplification to some of the

Resumen del contenido incluido en la página 12

1.3.5 ID Option The ID Option personalizes the printout strips with the owner’s name and address or phone number. Specify two lines of 27 characters each at time of purchase, and we will program them into your instrument. The ID can be changed for a modest fee with an exchange of PROMs (Programmable Read Only Memory). 1.3.6 RS232 Option The RS232 Option allows you to hook your analyzer up to a computer so you can grab your ana- lyzer data from your analyzer and save it on your computer. It

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1.4 Accessories The standard and optional accessories available for the FP40 analyzer are described in this section. 1.4.1 Standard Accessories Microphone Adapter HA-1 2-cc Coupler 14 mm to ANSI 1" diameter microphone Dimensions per requirements of ANSI size. This is used for calibrating the FP40 S3.7 for testing in-the-ear aids. microphones. HA-2 2-cc Coupler Ear-Level (BTE) Adapter Dimensions per requirements of ANSI Snaps into the 1/4" (6.35 mm) diam- S3.7 for testing ear level, eyegl

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Battery Pills FM40 Microphone (With 12" [30 cm] cables — 24" [60 Provided if the Real-Ear Option is not cm]) cables available upon request) ordered. #13, #675/65, #312, #10A/230. (All pills optional with FP40-D). Operator’s Manual 1.4.2 Optional Accessories Sound Level Calibrator 6-CC Coupler For microphone calibration Per ANSI S3.7 for NBS 9A—used to check output of audiometers. 6 FONIX FP40 Portable Hearing Aid Analyzer

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6040 Sound Chamber External Telecoil For control of external noises. For checking the response of aids in the “telephone” mode. CIC Coupler Open Ear Coupler Required coupler for use with CIC Non-standard coupler used for Option. realistic testing of open ear hear- ing aids. RECD Earphone Package Consists of one ER3A earphone with a #5 Battery Pill phono plug, a 72 inch cable, an assort- 12" or 24" ment of ear tips, a calibration certifi- Needed for some CIC hearing aids. cate, and

Resumen del contenido incluido en la página 16

Child Size Wedge Style Earhook Telewand Holds probe and reference microphones For checking the telecoil response per during real ear testing. ANSI-S3.22-1996 Other Optional Accessories • RS232 Option—RS232 cable • Probe Extension Cable for 6040 & FP40 w/o Probe • 6040 Sound Chamber Cable • External Printer Package: serial-to-parallel converter, printer cable and custom cable •Y adapter for using both external printer and RS232 • Eartips for insert earphones: Eartips, 3A medium, 50/pk Eart

Resumen del contenido incluido en la página 17

Optional Swing Arm, Speaker, Wedge Style Ear Hook and Cable Standard size Allows precise placement and aiming Holds probe and reference microphones of the loudspeaker. during real ear testing. Improved design eliminates need for Velcro headband. Monitor Headset, folding Infant/Child Headband Package (Optional with FP40-D) Includes infant, child, and adult head- bands, six flexible earhooks, and two sets of “animal ears.” Other Real Ear Accessories Set of 25 Probe Tubes Ear hook,

Resumen del contenido incluido en la página 18

1.5 Layout & Controls This section gives a short explanation of the layout of the FP40 analyzer, its controls, and its func- tions 1.5.1 LCD (Liquid Crystal Display) The FP40 is equipped with an LCD screen that displays test results and operational instructions in both alphanumeric and graphical formats. This display is mounted on a swing-up door that can be adjusted for optimum viewing by the operator. Hint: If no display appears on the LCD screen, turn the contrast knob in the upper right

Resumen del contenido incluido en la página 19

1.5.2 Front Panel Buttons There are nine function key buttons in the top row of the FP40 front panel. The function of each of these keys changes as you move from screen to screen on the FP40. The rest of the front panel buttons have specific functions that do not change with each new menu selection. Feed Feeds the paper through the printer. Print Produces a hard copy of the data and graphs displayed on the LCD screen or monitor screen. Data/Graph Allows the screen presentation to be switch

Resumen del contenido incluido en la página 20

1.5.4 Front Panel Knobs Amplitude Controls the amplitude or loudness of the test signal. Is also used to move the cursor up and down in making menu selections. Frequency Controls the frequency of the test signal in pure-tone mode. Is also used to move the cursor left and right when making menu selections. In the real-ear target screen, it selects the amplitude in the audiogram tables. Contrast Control Controls the contrast of LCD display. If no display appears, check this control first.


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