The KE-Manager is a PC software to manage and analyze measurements made with the KE3500.
The current firmware for the KE3500 has the version number 17.5.4.
If an older firmware version is installed on your device, you will have to install certain interim versions to ensureproper functioning of the device. The currently installed firmware version is displayed during the booting process of the KE3500.
Download every of the following versions that have a higher version number than the one that is currently installed, and install them in ascending order. For detailed instructions, see the attached PDF.