VCO-CV Tuning Procedure Service Support Document

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MS101 VCO & CV
Calibration Procedures
1) Make sure the Internal CV calibration is nished, then start Output CV calibration.
2) Press “Shift + STEP2” to enter user Output CV calibration mode.
3) Press “HOLD/REST”, select test point A. You need to watch the multimeter to adjust the output voltage.
You can press “KYBD” or “STEP” to adjust the CV value until it close to target level “0 V”.
(Press “STEP1” “STEP2” “STEP3” or “STEP4” to select the speed of adjust “X1” “X2” “X3” or “X4”)
4) Press “RESET/ACCENT”, select test point B.
Press “KYBD” or “STEP” to adjust the CV value until it close to target level “1 V”.
5) Press “ARP/SETEND”, select test point C.
Press “KYBD” or “STEP” to adjust the CV value until it close to target level “3 V”.
6) Press “PATTERN/BANK”, select test point D.
Press “KYBD” or “STEP” to adjust the CV value until it close to target level “5 V”.
7) Press “REC” to save and nish Output CV calibration.
2.3 External CV Calibration
1) Make sure the Output CV calibration is nished, then connect the CV out jack to the CV in jack with
a 3.5 mm cable.
2) Press “Shift + STEP3” to start External CV calibration.
3) Wait for the calibration to be nished till all the sequencer LEDs are lit up.
4) All calibration have done. Power o/on MS-101.