HP 7580A questions

[Joe R.]

   I don't rermember exactly how to access it but the HP 7550 has a
demo/test drawing in ROM. I don't remember the exact steps but you could
access it through the menu system.

   Joe


At 07:47 PM 8/3/05 +0200, you wrote:
>I dug up a HP 7580A and hooked it up, it seems to work fine.
>But the question is now, how do I make it do anything, WITHOUT a system ?
>Pressin pen down doesn't do much, and although I can move left and 
>right I cant make it move the paper forward and backward.
>
>Anyone ?
>
>Stefan.
>
>-------------------------------------------------------
>http://www.oldcomputercollection.com 
>
>
>