7.2 Mainboard
The firmware of the mainboard must be updated via USB (e.g. USB-Stick)
The category “Upgrade per USB” can be found in „User Settings“.
If you have a USB 2.0 compatible Stick, or your USB hard drive is equipped with the lates
software, it can be selected with [VOL4], then select the upgrade file and confirm under „Start“
with [VOL4].
Note: Please follow the warning. Otherwise, date could be lost, and the ProTUNE HD might lose
its functionality.
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