Boss RC-20 User Manual

3
Contents
Main features.............................................................................................2
Contents.....................................................................................................3
Panel Descriptions....................................................................................4
Installing batteries ....................................................................................7
Making connections..................................................................................8
Turning the power on/off............................................................................................ 9
Important < Caution when turning off the power >............................................. 9
Recording a guitar or vocal performance to create a phrase loop ....10
Recording a phrase from CD/MD to create a phrase loop ..................12
Playing/overdubbing along with a saved phrase.................................16
Using the RC-20 for practicing—Phrase Trainer..................................18
Creating minus-one data ............................................................................................ 18
Practicing at a different tempo................................................................................... 19
Playing back in various ways ................................................................20
Using the pedal to switch phrases (Phrase Shift).................................................... 20
Play back a phrase backward (Reverse Playback).................................................. 21
Playing a phrase only once (One-shot Playback).................................................... 21
Saving or deleting a phrase ...................................................................22
About memory............................................................................................................. 22
Write Protect mode..................................................................................................... 22
Saving a phrase ............................................................................................................ 23
Erasing a saved phrase (Delete)................................................................................. 23
About the tempo and time signature.....................................................24
Setting the tempo......................................................................................................... 24
Setting the time signature........................................................................................... 25
What is Loop Quantize?.............................................................................................. 25
About the guide tone ..............................................................................26
Troubleshooting......................................................................................27
Specifications..........................................................................................28
USING THE UNIT SAFELY......................................................................29
IMPORTANT NOTES ...............................................................................32
Index.........................................................................................................34

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)