Discussion about the Korg PolySix synthesizer

I recently had the battery replaced, because it needed it and it also 
kept resetting itself back to A1 during playback. In the process my 
friend with trusty screwdriver in hand messed up the all the tuning 
knobs. how do I get them back to where they were, rather what's the 
procedure?

Thank you so much for any feedback

Joe