Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
Thank´s for your help, I already recived these manual from you
Text excerpt from page 5 (click to view)
Marchiatura
Vicino ad ogni bottone di comando ci sono dei segni che indicano quale bruciatore viene regolato dal bottone di comando in questione. Ogni bottone di comando ha una scale graduale munita di marchiature. Posizione spenta: Fuoco massimo: Fuoco minimo:
