Copyright 2022 – Grove Audio LLC
All rights reserved
1
GMS-742a MIDI to CV CONVERTER
PRELIMINARY OPERATION MANUAL
APRIL 17, 2022
Grove Audio LLC
Copyright 2022
– All Rights Reserved
Page 1: ...Copyright 2022 Grove Audio LLC All rights reserved 1 GMS 742a MIDI to CV CONVERTER PRELIMINARY OPERATION MANUAL APRIL 17 2022 Grove Audio LLC Copyright 2022 All Rights Reserved...
Page 2: ...hannel will produce the voltage equivalant of the MIDI velocity value one gate channel will produce a gate signal for the duration of the MIDI note on to note off time and one gate channel will produc...
Page 3: ...Note CV Gate Ch 2 C2 C5 Note CV Gate Common MIDI Channel 10 2 Ch Independent Legato On Split Keyboard Ch 1 C0 B1 Note CV Gate Ch 2 C2 C5 Note CV Gate Common MIDI Channel 15 Channel Calibration Mode 1...
Page 4: ...roximately two seconds until the Gate 1 LED starts to flash This indicates that the module is in the programming mode By briefly pressing the toggle switch to the right and releasing it the program gr...
Page 5: ...ck div 6 Zero volts at C2 7 1 8 clock div default 7 Zero volts at C1 default Q104 mode 8 1 8 dotted clock div 8 Disable Pitchbend for mode 7 8 default 9 1 4 clock div 9 Enable Pitchbend for mode 7 8 1...
Page 6: ...le switch to be high from the time the RUN realtime message or MIDI note command is received until the STOP realtime message or MIDI note command is received The output can be set to be either a level...
Page 7: ...acy meter will work but a 5 digit DVM is preferred The current calibration points are between C3 and C5 The default values for these calibration points for the 5 Volt are 1 0000 Volts Calibration valu...
Page 8: ...h external controller An external keyboard controller can be routed to the converter module to perform calibration by using MIDIOX Open the OPTIONS MIDI Devices tab Click the name of the converter mod...
Page 9: ...ng calibration The module can store and recall up to 16 sets of calibration tables including zero and span calibration values for the 5 V 5V range The set of tables stored in the default location will...
Page 10: ...Connect a USB type A cable from the host computer and plug the miniB end of the cable into the USB connector on the module There may be some preliminary communication and installation of drivers Even...
