Gould 500 DSO Manuals/Schematics/Info?

[PioB]

Hi,
I got a 2-channel Gould 500 Digital Storage Oscilloscope 200 MHz, 200 MS/s as a present from a friend. Unfortunately, he got it without any documentation or info. I tried googling it, but other than a few old ebay auctions, a manual for the 400 series and the knowledge that a Ultima 500 4-channel DSO exists I found nothing. Does anyone have some digital copy of any information/manual/schematics of the Gould 500?

Also, I am trying to understand the specs, if I understand correctly, the bandwith should be smaller than half the samples/sec (so < 100 MHz)?

Thank you very much!

[GrandDiego]

Hello, I am also looking for this document for the 4-channel version.
Have you found it since all this time?
Thank you