3920 Software DownloadThis software is compatible with all 3901, 3902 and 3920 models of the 3900 Series product line. This version is compatible with all 3900 Series processor boards. Note: This version requires a new installation method. Details and instructions are provided with the software download. Due to vast number of 3901, 3902 and 3920’s in service, and the possibility that many units may have older versions that required upgrading to a newer version first, this release firmware upgrade will do a complete reformat of hard drive to ensure all old files are purged and that a clean installation is done. The upgrade process will automatically store and restore all calibration files, option files and user set ups. It is now no longer necessary to go through a “stepped” upgrade process. The upgrade process is designed to backup all user setups and stored files. However, the user is advised to create their own backup of any critical files before starting the upgrade, in case of the unlikely event that something goes wrong during the installation process.
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