Boss RC-20 - User Manual

Before using this unit, carefully read the sections
entitled: “USING THE UNIT SAFELY” and “IMPORTANT
NOTES” (p. 29–31; p. 32–33).
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 convenient reference.
* The "Mini Guide" on the back of the RC-20 provides a simple explanation
of use. You can use it as a reminder of operational procedures.
Main Uses
Here are some ways in which the RC-20 can be used. You can use your own creativity to come up
with other ways to enjoy using the RC-20.
■ “Sound On Sound” performance
New “sound on sound” possibilities let you combine performances not only
of guitar, but also vocals, percussion, and drum pads.................................................... p. 10
■ Create loop phrases
You can record phrases from a sampling CD or MD, and overdub guitar or vocals. ...... p. 12
■ Switch loops while you perform live
Multiple R&B or techno phrase loops can be stored, and selected successively
while you perform (
Phrase Shift ).................................................................................... p. 20
■ As a phrase trainer
Play your guitar while playing back phrases recorded from a CD or MD.................. p. 16
Practice at a different tempo without changing the pitch............................................... p. 19
Erase the guitar solo or vocal when recording, to create “minus-one” data for
practicing (
Center Cancel )................................................................................................. p. 18
■ As a backing device
Phrase trainer with a pedal that lets you start/stop or select phrases
(One-shot Playback).............................................................................................................. p. 16
■ Special effects during a live performance
Reverse-playback of a recorded phrase............................................................................. p. 21

Summary

Installing Batteries

Making Connections

Power Management

Power On;Off Procedures and Warnings

Recording Phrases

Guitar;Vocal Recording Process

Step-by-step guide to recording guitar or vocal performances into loops.

Recording from External Sources

CD;MD Recording Procedure

Detailed steps for recording audio from CD or MD players.

Playing and Overdubbing

Phrase Playback and Overdubbing

Instructions for playing saved phrases and adding new layers via overdubbing.

Saving Recorded Phrases

Phrase Trainer Functions

Creating Minus-One Data and Tempo Practice

How to record phrases with vocals removed and practice at different tempos.

Advanced Playback Options

Phrase Shifting, Reverse, and One-Shot Playback

Memory Management

Saving and Deleting Phrases

Saving and Erasing Phrase Data

Procedures for saving and deleting recorded phrases.

Tempo and Time Signature

Tempo Settings and Automatic Tempo

Time Signature and Loop Quantize

Time Signature Setting and Loop Accuracy

Troubleshooting

Common Operational Issues and Solutions

Safety Information

Warnings, Cautions, and General Usage

Explains safety symbols, warnings, and essential rules for safe operation.

Electrical and Physical Safety

Adaptor, Cord, and Personal Safety

Safety guidelines for power adaptors, cords, hearing, and physical handling.

Battery and Maintenance Safety

Battery Handling, Disposal, and Cleaning

Safety guidelines for batteries, disposal, and unit cleaning.

Important Notes

Battery, Power, Placement, and Maintenance Advice

Boss RC-20 Specifications

General

Type	Loop Station
Number of Memory Banks	11
Sampling Frequency	44.1 kHz
Input Impedance	1 MΩ
Output Impedance	1 kΩ
Power Supply	9V DC (PSA-series adapter)