I have a piano technician coming to tune my Disklavier Mark IV. Not sure if he has worked on any of these before.
My question: before tuning does technician need to do anything to player system (like it turn it off) before tuning? Does the player system calibration have to be "reset" after tuning?
Reason asking I had a lot of problems initially setting up player piano system to work properly because it was not calibrated when it was first delivered to me.
Thanks
Charles