Looks like an early S-DAT, so a different system to R-DAT which eventually just became DAT (as per this of course).
They did manage to only have one version of a format before launching which is quite an achievement by recent standards.
Looks like an early S-DAT, so a different system to R-DAT which eventually just became DAT (as per this of course).
They did manage to only have one version of a format before launching which is quite an achievement by recent standards.