Sennheiser HE 1 Instruction manual HE 1 - Page 48
Installing firmware updates, From Windows or MacOS, start the Sennheiser HE 1 Updater program
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Servicing the HE 1 | Installing firmware updates Installing firmware updates The DAC (digital-to-analog converter) firmware can be updated using the free of charge "Sennheiser HE 1 Updater" program. The program be downloaded from the Internet at www.sennheiser.com/download or be obtained from your Sennheiser partner. The program is available for Windows and Mac operating systems. ▷▷ Make sure that the HE 1 is connected to your Mac or PC via USB and that it is switched on. ▷▷ From Windows or MacOS, start the "Sennheiser HE 1 Updater" program and follow the instructions on the screen. The program automatically checks if the new DAC firmware is compatible with your HE 1. If this is the case, the program guides you through the installation steps and then confirms successful installation. 46