The PM750 Public Firmware Revision History pdf file shows a summary of changes incorporated in each production firmware releases for the PM750 series power meter.
This is the latest revision of the firmware for the PM750 power meter. Please update your PM750 power meter to have full compatibility with all available features.
1. Using DLF 3000 Version 3.3, PM750_OS3160_RS2010.fw to the device
2. After the download is complete, you will see the meter resetting.
3. You can verify the new firmware version selecting MAINT -> INFO from the main menu