Roland GR-20 User Manual

Owner’s Manual
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY”
and “IMPORTANT NOTES” (p. 2–3, p. 4). These sections provide important information
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, Owner’s manual
should be read in its entirety. The manual should be saved and kept on hand as a conve-
nient reference.
Copyright © 2004 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written
permission of ROLAND CORPORATION.
GR-20_e.book 1 ページ ２００７年７月２日 月曜日 午後１２時５３分

Roland GR-20 Specifications

General

Type	Guitar Synthesizer
Sound Source	PCM
Polyphony	48 voices
MIDI	In, Out
Effects	Chorus, Reverb, Delay
Display	2-digit 7-segment LED
Inputs	GK input
Outputs	L/Mono Output (1/4 inch), R Output (1/4 inch), Headphones (1/4 inch)
Power Supply	AC Adaptor
Presets	384 patches (128 user, 256 preset)

Summary

USING THE UNIT SAFELY

About WARNING and A CAUTION Notices

Explains the meaning of Warning and Caution notices.

About the Symbols

Explains the meaning of safety symbols used in the manual.

IMPORTANT NOTES

Chapter 1 Play the Sounds!

Guitar Setup, Connections, and Powering

Basic Sound Operations

Chapter 2 Using the GR-20 with Guitar Effects

Connecting and Mixing External Effects

MIDI Control and Patch Linking

Chapter 3 Editing The Sounds

Adjusting Core Sound Parameters

Using knobs to edit Attack, Release, Chorus, Delay/Reverb, and Volume.

Fine-Tuning Tone and Response

Adjusting FREQ, RESO, TRANSPOSE, and PLAY FEEL for tone shaping.

Customizing Glide, Hold, and Expression Effects

Saving Edited Sounds

How to save edited sounds into USER patches using the WRITE function.

Chapter 4 Other Functions

Data Backup and Loading (BULK DUMP/LOAD)

Saving and loading GR-20 data via MIDI to external devices.

Chapter 5 Connecting an External Sound Module or Sequencer

MIDI Transmission and Channel Setup

Setting up Mono/Poly transmission modes and MIDI channels.

Local Control and MIDI Messages