On the control panel, namely where are: fader, buttons, and the screen manifested such a defect. When you output "" MASTER "" by 50%, then everything is fine and everything works, and when over 60% for example, then on the SCREEN the master value is reset from 60% to 43% while on the control panel the dial becomes very dim and automatically displayed other faders, and other buttons light up. And with the remote control it is not possible to use the recovery wizard at 50% then everything works fine, you output 60% then the defect is returned. What to do HELP or ASSIST you please !!!