Trying to update the firmware in my Mackie MCU extenders
I have an MCU and two extenders (not the newer pro units) My MCU has the last issued firmware 2.1.2 One of my extenders has 2.1.0 and the other extender doesn't show any version on the display at all. How do I get each extender upgraded to the 2.1.2 like the MCU? Any idea why the one extender has no version number in the display? Is it a version 1 or something that needs a chip replaced in order to upgrade?
Thanks for any help in advance,