44
Appendices
Index
AAB REPEAT .....................................9, 15, 41
AC.PROCESSOR................................25, 27
ALL DELETE .......................................21, 38
AMP ................................20, 22, 23, 24, 34
Audio Interface .......................................33
AUDIO ROUTING ....................................34
BBacking Up ...............................................36
BEST 30 ...........................................9, 10, 11
CCapacity ....................................................35
CAPTURE ...............................................9, 16
Card Locked! ............................................40
Card Read Error! .....................................40
Card Write Error! .....................................40
CD IMPORT ...............................................19
CD RIPPING ..............................................19
Center Cancel ..........................................15
CHORUS ....................................................30
COMP ....................................25, 27, 34, 39
Connecting ..............................................18
CONVERT .......................................9, 15, 38
Cursor Button .............................................5
DData Too Long! ........................................40
Data Too Short! .......................................40
DAW ............................................................34
DELAY....................................22, 29, 30, 32
Dial .................................................................5
Digital Audio Workstation ..................34
EE ect Parameters ...................................20
E ects ........12, 13, 20, 22, 36, 37, 38, 44
ENTER Button .............................................5
EQ ..................................................22, 26, 28
ERASE ............................................................9
Error ............................................................40
EXCHANGE ........................................12, 21
EXIT Button .................................................5
EXPORT...........................................9, 38, 41
EZ CHARACTER .......................................30
FFACTORY RESET ......................................39
FLANGER .....................................25, 27, 30
footswitch ...........................25, 29, 32, 39
FX ...........................................22, 25, 32, 34
GGuitar Level .................................................8
IIMPORT ...........................................9, 17, 19
Importing Songs ......................16, 17, 19
INITIALIZE ..........................................12, 21
INPUT GAIN ................................31, 41, 44
Input Sensitivity .....................................31
JJS-8 Song .........................3, 10, 11, 18, 35
LLCD .............................................................39
LIMITER ...............................................25, 27
Lock ............................................................35
M
MENU button ...............................9, 11, 12
MENU Button .............................................5
Metronome ..............................................14
MP3 ..........3, 9, 15, 18, 19, 23, 35, 38, 41
NNo Card! ....................................................40
No File! .......................................................40
NOISE SUPPRESSOR ..............................28
OOCTAVE...............................................25, 27
OD/DS .................................................25, 26
PPAN ...............................................25, 28, 29
PATCH BACKUP ......................... 36, 37, 39
PATCH NAME ...........................................21
PEDAL ...................................25, 26, 32, 39
PEDAL SETTING ......................................32
PHASER........................................25, 27, 30
Play .....3, 5, 8, 14, 15, 16, 25, 32, 33, 34,
...............................................................40, 44
Playing ...................................................8, 33
Play Mode ....................................................5
Power Button ...............................5, 41, 43
Protect ..................................35, 38, 40, 42
Protected! .................................................40
RRe-Amp .....................................................34
REC ................................5, 9, 27, 32, 34, 37
Recording .............................2, 3, 9, 35, 43
Recording Time ......................................35
REMAIN ........................................................5
REMOVE ....................................................11
REVERB ...............................................22, 30
RHYTHM .............................................11, 23
ROTARY ........................................ 25, 28, 32
Routing.........................................................2
SSaving E ects ...................................13, 20
SD Card .............................3, 35, 36, 37, 43
SD CARD .....................................11, 35, 39
SD card Write/Protect Function ........ 35
SEARCH ............................9, 10, 11, 16, 19
Selecting Songs .....................................10
SET PATCH .........................................31, 38
SOLO ............................................12, 24, 32
Song Information ...........................19, 38
Song List Editor .................10, 11, 18, 19
Song Name .......................................19, 38
SPEAKER SW ............................................31
SPEED ......................14, 15, 25, 28, 30, 32
Stop .................................................8, 32, 33
Switching E ects ................................... 12
SYSTEM SETTING ............................31, 39
TTempo ........................................................15
Too Many Songs! .................................... 40
Top Screen ..................................................5
TREMOLO ...........................................25, 27
Troubleshooting ....................................41
Tuner ..........................................................14
UUnformatted! ..........................................40
UNI-V ...................................................25, 28
Unsupported Card! ...............................40
Unsupported Format! ..........................40
USB Audio Interfaces............................33
USB (COMPUTER) ............................34, 39
USB Driver ................................................33
USB MEMORY ...................................11, 39
W
WAH ..............................................25, 26, 32
WAV ................3, 9, 18, 19, 27, 28, 35, 41
WRITE ....................................12, 13, 20, 21
Speci cations
JS-8: Audio Player with Guitar Effects
(eBand)
AD Conversion • 24-bit + AF method (GUITAR/
MIC IN)
• 24-bit (AUX IN)
DA Conversion • 24-bit
Sampling
Frequency
• 44.1 kHz
Effect Patches • Preset: 130
• User: 100
Nominal Input
Level
• GUITAR/MIC IN: -20 dBu
( INPUT GAIN=GUITAR)
• GUITAR/MIC IN: -32 dBu
( INPUT GAIN=MIC)
• AUX IN: -15 dBu
Input Impedance • GUITAR/MIC IN: 1 Mohm
• AUX IN: 22 kohms
Nominal Output
Level
• PHONES: -10 dBu
• LINE OUT: -10 dBu
Output Impedance • PHONES: 44 ohms
• LINE OUT: 1 kohm
Connectors • GUITAR/MIC IN (1/4 inch
phone type)
• AUX IN (Stereo miniature
phone type)
• PHONES (Stereo miniature
phone type)
• LINE OUT (RCA phono type)
• CTL1,2/EXP (1/4 inch TRS
phone type)
• USB ( Type A)
• USB ( Type B)
• DC IN
Current Draw • 400 mA
Dimensions • 264 ( W) x 166 (D) x 201 (H)
mm
• 10-7/16 ( W) x 6-9/16 (D) x
7-15/16 (H) inch
Weight • 1.7 kg
• 3 lbs 12 oz
(excluding AC adaptor)
Accessories • AC adaptor (PSB-1U)
• SD card (1 Gbyte)
• Owner’s Manual
• Roland Service (Information
Sheet)
Options • Footswitch (BOSS FS-5U)
• Dual Footswitch (B0SS FS-6)
• Expression Pedal (Roland EV-
5, BOSS FV-500L, BOSS FV-
500H)
• Footswitch Cable (Roland
PCS-31L)
0 dBu = 0.775 Vrms
In the interest of product improvement, the specifications
and/or appearance of this unit are subject to change
without prior notice.
AF method (Adaptive Focus method)
This is a proprietary method from Roland & BOSS
that vastly improves the signal-to-noise (S/N) ratio
of the A/D and D/A converters.