Owner's Manual
201a
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” (p. 42) and “Important Notes” (p. 43). 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, this owner’s manual should be read in its entirety,
and it should be saved and kept on hand as a convenient reference.
202
Copyright © 2009 BOSS CORPORATION
All rights reserved. No part of this publication may be
reproduced in any form without the written permission of
BOSS CORPORATION.
Printing Conventions and icons in This Manual
Text or numerals
enclosed in
square brackets [ ]
Indicate buttons.
[WRITE] WRITE button
Indicates information that you should
be aware of when using the JS-8.
Indicates supplementary information
about an operation.
Indicates information about a conve-
nient operation.
(p. **)
Indicates a reference page.
Technology that simulates existing physical structures,
materials, and the like using different, virtual means is
called “modeling technology.”
COSM (Composite Object Sound Modeling) is a technical
innovation from Roland that combines a number of such
sound-modeling technologies to create new and unique
sounds.
Checking the Package Contents
• JS-8
• AC Adaptor (Roland PSB-1U)
• Owner's Manual ( This document)
• SD Card
• Roland Ser vice (Information Sheet)
Contents
Main Features ...................................................2
Setting Up the JS-8 ...........................................4
Basic setup for the JS-8 ....................................................................4
Basic operation of the JS-8 .............................................................5
Using the JS-8 with Other Devices ..............................................6
Play Your Guitar with Songs as Your
Backing .......8
Playing Songs ......................................................................................8
Playing Songs on USB Memory ................................................8
Recording Performances ................................................................9
Selecting Songs ................................................................................10
Switching E ects..............................................................................12
Saving E ects ...............................................................................13
Convenient Practice Functions ...................................................14
Tuner/Metronome.......................................................................14
Phrase Trainer ...............................................................................15
Importing Songs .............................................16
Importing Songs from CD Players and Other Devices .......16
Capturing Songs from Various Sound Sources .....................17
Using the JS-8 Song List Editor ......................18
Convenient Functions ....................................20
Advanced Editing of E ect Parameters ...................................20
Saving E ects ....................................................................................20
About the JS-8's Internal E ects ................................................22
Adjusting the Guitar and Mic Input Sensitivity ....................31
Turning O the Internal Speakers ..............................................31
Calling Up the E ect Stored in a Song (Patch Sync) ...........31
Using Foot Switches and Expression Pedals ..........................32
Using USB Audio Interfaces .........................................................33
Using Commercial SD Cards ........................................................35
Initializing SD Cards ....................................................................35
Backing Up .........................................................................................36
Recovering Backed Up Data (RECOVER) ..................................37
Song Settings
(Song Information/Protect/E ects/Song Name) .................38
Converting songs and transferring them between media
..........38
Various System Settings ................................................................39
Appendices .....................................................40
Error Messages .................................................................................40
Troubleshooting...............................................................................41
USING THE UNIT SAFELY ................................................................42
Important Notes ...............................................................................43
Index ....................................................................................................44
Speci cations ...................................................................................44