to get the tech note email tech support and tell them you need the calibration tech note.
fyi--it has cost me over 20 bucks to send this to Bellingham to get fixed or to get a new one if they can't fix it--they told me the turnaround will be at minimum a month.
i have to say this is a categorical "bad experience". a friend bought one when it first came out and returned it immediately because he said he was having tuning issues that made performing with it impossible--I figured he was being hyper sensitive or picked up a lemon. What really makes me mad is this seems to be a pattern (I did some research) and customer support did not handle it well and I am out a synth for god knows how long that I purchased to use in live performances.
my advice for anyone is immediately contact technical support when having scaling and tuning problems. these problems aren't simply typical analog synth behavior often. you should be able to keep it in tune without having to crank your tuning knob all the way left or right and you should be able to count on a consistent scale.
finally, my advice for Arturia is to treat your customers with respect, answer their emails, pay for shipping for returns and repair, and immediately accept returns on synths with this problem--they should be sending me a synth in the mail...I shouldn't be having to wait for months.
sorry for being so grouchy.