The crucial piece you need is the current Harmony database of hearing instruments. But, since the two pieces are usually found together in one download you might as well look for both the database and Connexx 9 together.
Here's a clip from DIY School Hearing Aids (v2.2) PDF file named (
01 Free Hearing Aid Fitting Software). It may help explain the relationships between Connexx and various databases (SiFit, RexFit, plus many others).
CLIP follows;
Connexx Software Connexx has two distinct parts:
- Connexx Software
- Hearing Instrument/HI Database
Siemens/Signia HI requires the SiFit HI database. There are different versions of each database (old/legacy and new/current) and you can usually find both versions you need in one download. If you need to use it for Signia HI, install the version with the SiFit HI database. If you want to use it for Rexton HI, install the version with the RexFit HI database.
Note that Connexx was rewritten as Connexx 8 (circa 2016), so the Connexx 8 version is the dividing line between the old/legacy version and the new/current version. You may encounter multiple old versions and multiple current Connexx versions. Generally, you will need either the last old version or the latest current version, depending on your hearing aids.Connexx 8 also adds an update program to the Windows system tray to keep the software up to date. However, due to a malfunction in the updater program, Connexx 8.5.3 is unable to receive additional updates through the updater program, so you may need to manually update this version. Please note that there are other (more infrequently used) versions of Connexx (Hansaton, Electone, Miracle Ear, etc.). For less commonly used versions, please use the hidden software instructions suggested at the end of this document.
If you want to use both versions of Legacy/Connexx (Siemens/Signia and Rexton), install both versions. When the installation is complete, you will have two HI databases and one Legacy/Connexx6 executable. You can select which HI database you want to use from the Manufacturer drop-down menu and then select Siemens or Rexton; however, for new/current versions of Connexx, you will have two HI databases and two separate Connexx executables.