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Dumb question about Tek 7XX4 mainframes

Discussion in 'Electronic Equipment' started by BFoelsch, May 31, 2005.

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  1. BFoelsch

    BFoelsch Guest

    I've become curious about the way these things operate when both vertical
    and horizontal are in ALT mode.

    Under these conditions, LEFT vertical is swept by RIGHT horizontal, and vice
    versa. Using, for example, 7904A w/7A19 - 7A19 - 7B85 - 7B80.

    Why? Seems counter-intuitive. Or am I doing something wrong?

    Thanks in advance.
  2. Fred Abse

    Fred Abse Guest

    It makes sense if you're using a two-slot module, like a 7S12 that goes in
    the middle two slots, ie. right horizontal and left vertical.
  3. Fred Abse

    Fred Abse Guest

    I think I meant right vertical and left horizontal, sorry.
  4. BFoelsch

    BFoelsch Guest

    Thank you for a very sensible and informative answer!
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