I am trying to complete the adjustment of the DMD control unit on my Tamiya Sherman, it doesn't seem to be happening for me. I am following the steps but when I finish and try to initiate the guns firing noises, nothing happens. Though, I was able to activate one of the machine guns firing sound but that has since disappeared. I am doing all of this prior to installing the unit inside the tank and hooking up the guns, turret, lights etc.... I am just taking it step by step as in the manual. The "alternate flashing..." lights the manual says to look for on the DMD unit flash way to fast for me to notice any change in pattern so I don't know if I am accomplishing anything when I move the transmitter sticks as directed in the manual. Any advice would be appreciated. Thanks for your time, I am lost here.

Jeremy