General

How to set up an original Mastermind to control an RJM Music switcher and an effects processor
The original Mastermind can control up to four MIDI devices on different MIDI channels. It's pretty common to control one or more RJM Music products (w...
Tue, 15 May, 2018 at 12:42 PM
How to upgrade firmware on an original Mastermind
The original Mastermind (the one with a small red LED display) had several firmware releases over its life. The last release was version 1.4. The Master...
Sat, 17 Apr, 2021 at 9:24 AM