RS232, I2C & SPI bus decoding licence for the DS2000A series digital oscilloscopes and MSO2000A series mixed signal oscilloscopes.
Each licence contains a unique product key. The product key is used to generate a software licence code that must be entered into your instrument. To generate a Rigol software licence code using your Rigol product key, please see HERE. Installed software licence codes are permanent – They are unaffected by Rigol firmware updates.