MVC User Manual
Contents
1. MVC conrorter MIDI IN MIDI THRU POWER OUTPUT INPUT MIDI VOLUME CONTROLLER MVC Musicommy 3 NALUE oo ea Ia push to STORE USER MANUAL Ver 7 0 MusiCOMmmn 3 Features Programmable All analog VCA Voltage Controlled Amplifier circuit 128 steps audio volume control 128 presets respond to MIDI Program Change Messages Discrete volume change responds to MIDI Continuous Controller Values Instrument Line audio level switch Three character LCD display for easy viewing of the audio level 30 clicks rotary encoder w switch for easy changing of the value Powered by regulated 12V DC approx 60mA Aluminium enclosure 125 W x 80 D x 60 H mm Weight 250 g Description INPUT This is an input jack for guitar or external audio signal OUTPUT This is an output jack for an audio signal Connect to your amplifier or other external device MIDI IN This is a 5 Pin DIN jack that allows the MVC to receive MIDI commands from an external MIDI device MIDI THRU This is a 5 Pin DIN jack that passes MIDI commands to received by MIDI IN jack to other MIDI devices LEVEL SWITCH This switch is provides selection for the rate input level Instrument Line POWER This is a standard 5 5mm 2 1mm_ barrel jack Regulated 12VDC 60mA can use in Voodoo Lab Pedal Power ACA mode DISPLAY This LCD displays the volume control O 127 or MIDI channel 1 16 VALUE By rotating the knob you can mo2. dify an volume control or MIDI channel By pressing th knob you can store a volume control or MIDI channel Operation The MVC utilizes two modes of operation Program Change mode and Continuous Controller mode On power up the display will show 127 the volume control output is unit gain Note On the display 127 is unit gain OdB Program Change mode When a MIDI Program Change message is received on the same MIDI Channel as the MVC the MVC will automatically recall the stored volume control data in the memory 1 Using your MIDI footcontroller select a preset that will transmit a MIDI Program Change message to the MVC 2 Rotate the value knob to edit a volume control from O through 127 The display back light will be flashing 3 Press the Value knob to store a volume control in the memory The display back light will stop flashing Simply repeat the above three steps to create more presets for other MIDI Program Change messages Continuous Controller mode The MVC responds the MIDI Continuous Controller messages The Controller number is 007 In the Continuous Controller mode a volume control is a received MIDI Control Value 0 127 Edit MIDI Channel 1 Apply power while pressing and holding the value knob The display will show the present MIDI channel 2 Rotate the value knob to edit a MIDI channel from 0 through 16 3 Press the Value knob to store a new MIDI channel in the memory The display bac
3. k light will stop flashing and the MVC will automatically restart Note The Initial default setting is MIDI channel 1 Change Operating Mode 1 Apply power while pressing and holding the value knob The display will show the present MIDI channel 2 Rotate the value knob to change the operating mode until the PC or CC is shown on the display PC means Program Change mode CC means Continuous Controller mode 3 Press the Value knob to change the operating mode The display back light will stop flashing and the MVC will automatically restart Note The Initial default setting is PC Program Change mode Specification Ver 1 0 Power Supply 12V DC 60mA DCO Input Impedance 1M ohm Output Impedance 2k ohm or greater load impedance Input Output level Instrument 10dBv Line OdBv THD Noise lt 0 02 20 20kHz OdB attenuation Volume Control Range 80dB OdB 0 127 audio taper MIDI Channel 1 16 MIDI Program Change 1 128 MIDI Controller number 7 MIDI Control Value 0 127 a eee
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