Question about RCA VKT-650 VCR

[Blast]

Computer says that between 1990 and 1998 I worked on 4 of those and that my co-workers worked on another 4.

This is a Hitachi built VCR and, going strictly by memory, I think its safe to say that their HI-FI VCR's of this era did not offer Dolby on the linear audio track.

I believe it's also safe to say that the "Hi-Filter" does not work the same as Dolby NR.

In fact I also believe it's a high filter for the HI-FI audio and does not affect the linear audio track.

And, from there I can offer no other information.