Thanks to all you very helpfull guys.....My question is can i dripp feed a om-a...I have read that you can not.....but this main board has type B charteristics.......Dose anyone how to do this ...? Now it is a OM-A....But the parameter mapping is like a 6 control , there is a switch on the front of the machine that say rs-232 or tape.......When tape button is pushed it displayed tape on crt......Is it just a mater of having software.....to drip feed if ...the bit for dripfeeding is enabled..........Thanks agin for all your help...!