Roland Groovebox MC-307

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IM-
PORTANT NOTES” (REFERRENCE MANUAL p. 2; p. 8). These sections provide important infor-
mation concerning the proper operation of the unit. Additionally, in order to feel assured that
you have gained a good grasp of every feature provided by your new unit, REFERRENCE MAN-
UAL should be read in its entirety. The manual should be saved and kept on hand as a conve-
nient reference.
Copyright © 1999 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the
written permission of ROLAND CORPORATION.
MC-307 REFERENCE MANUAL
01904601 ’00-2-C3-21N
REFERENCE MANUAL
To resize thickness, move all items on the front cover to left or right
on the master page.

Roland Groovebox MC-307 Specifications

General

Type	Groovebox
Sound Engine	PCM
Polyphony	64 voices
Sampling Frequency	44.1 kHz
MIDI	In, Out, Thru
Display	LCD
Sequencer	8 tracks
Resolution	96 TPQN
Effects	Reverb, Chorus, Delay
Audio Outputs	Stereo (L, R)
Inputs	1 x 1/4" (audio in)
Power Supply	DC 9V
Tones	256 preset tones
Presets	64

Summary

USING THE UNIT SAFELY

General Warnings and Precautions

Provides essential safety instructions and warnings for operating the unit, covering potential risks of injury or damage.

Front and Rear Panels

Top Panel Controls

Details the functions of the knobs, buttons, and display on the MC-307's top panel for operation.

Rear Panel Connectors

Chapter 1 Introducing the MC-307

Restoring the Factory Settings (FACTORY RESET)

Describes how to reset the MC-307 to its original factory default settings, including data loss warning.

Chapter 2 Basic of Pattern Playback

Playing Back Patterns

Chapter 3 Giving Variation to Pattern Playback

Playing Back in Arpeggio (Arpeggiator)

Chapter 4 Setting Effects

Multi-Effects (M-FX)

Chapter 5 Creating Your Own Patterns and Songs

Creating Your Own Patterns

Guides on creating original patterns using Realtime Recording or TR-REC methods.

Editing Patterns (Pattern Edit)

Describes how to modify musical data within a pattern or combine multiple patterns.

Saving the Pattern

Instructions on how to save created or edited patterns to user memory.

Chapter 6 Making Original Patches

Editing Patches

Guides on creating desired patches by changing tone parameters like waveform and FXM.

Changing the Pitch (PITCH and ENVELOPE)

Changing the Brightness of Sounds (FILTER and ENVELOPE)

Chapter 7 Environment Configuration and Application with MIDI

Saving system settings

MIDI-Related Settings

Troubleshooting

No Sound

Provides solutions for issues where no sound is produced by the MC-307 or connected devices.

TransmitReceive Setting List

MIDI Implementation