So every transport code would have to be a macro preceded by either a DVD button press or VCR button press to ensure that the right side would work...
I did a Hitachi that DVD play then power gave me a trusty power off, but not on the VCR side. They could have...but they are not made for us after all.
There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions.