I am ingineer in algerien television bublic . please we need a help about our switcher DVS9000, I have tried to change the format settings (change the sceen aspect from 4:3 to 16:9 ) after that we noticed that the DME1 are not active in the key control modul and inthe standard transition modul. we noticed that DME1 line is blank in each menu of engineering setup system /format menu and system/startupmenu and system/initializemenu are blank