Build Guide - Calibration

Monitor NOTE 1 Output
Set PITCHBEND (P532) to its minimum position
Disconnect the TUNE knob at the PCB connector P402
Set Dipswitch #4 to the ON position, all 5 LEDs should come on
Adjust the SCALE trimmer (P401) to give a reading of 10.667V
Return Dipswitch #4 to the OFF position
Set the PITCHBEND (P532) to its maximum position
Connect your meter to the PITCHBEND output (pin 1 of J531)
Adjust the PITCH ZERO trimpot (P531) until you get a reading of 0.00V.