Novag or JS&A Chess Champion or Chess Challenger, Mk 1 (1978)

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Kaliuzhkin

I'm looking at this chess computer.  However, the seller doesn't include the instructions/manual.

Any idea where to find instructions/manual?

balexandrov

https://museoscacchi.files.wordpress.com/2011/01/mk1_manuel_web.pdf

Kaliuzhkin

Thank you.