Obsolete Products - Workbooks and "How to" Instructions

Except where noted, this material is in PDF format. You will need a viewer such as Adobe Reader.

6500 Hearing Aid Test System

FONIX 6500-CX Instructional
(Download zip file 96.2 MB)
A PowerPoint presentation on the operation of the 6500-CX by Michael Valente and Kristina Frye. Also viewable as web pages.

Testing FM Systems with the 6500

Testing Digital Aids with the 6500-CX

6500-CX Quick Reference Cards

Using Multi-Curve in Real-Ear Measurements on the 6500-CX

How to perform an RECD (Real Ear to Coupler Difference) Measurement (FP40/6500)

How to perform an REDD (Real Ear to Dial Difference) Measurement (FP40/6500/7000)

Providing Solutions to Everyday Problems with the FONIX 6500-CX (html)

FP40/FP40-D Hearing Aid Analyzer

Testing FM Systems with the FP40 

Testing Digital Aids with the FP40

FP40/DSL Program Verification

DSL Fitting Method for the FP40 (ver. 3.40 & higher)

FP40 Quick Reference Cards

How to perform an RECD (Real Ear to Coupler Difference) Measurement (FP40/6500)

How to perform an REDD (Real Ear to Dial Difference) Measurement (FP40/6500/7000)