Korg PX4B User manual
2
Precautions
Location
Using the unit in the following locations can re-
sult in a malfunction.
• In direct sunlight
•
Locations of extreme temperature or humidity
• Excessively dusty or dirty locations
• Locations of excessive vibration
• Close to magnetic fields
Power supply
Please connect the designated AC adaptor to
an AC outlet of the correct voltage.
Do not connect it to an AC outlet of voltage
other than that for which your unit is intended.
Interference with other electrical de-
vices
This product contains a microcomputer.Radi-
os and televisions placed nearby may experi-
ence reception interference. Operate this unit
at a suitable distance from radios and televi-
sions.
Handling
To avoid breakage, do not apply excessive force
to the switches or controls.
Care
Iftheexteriorbecomesdirty, wipe it with a clean,
dry cloth. Do not use liquid cleaners such as
benzene or thinner, or cleaning compounds or
flammable polishes.
Keep this manual
After reading this manual, please keep it for
later reference.
Keeping foreign matter out of your
equipment
Never set any container with liquid in it near
this equipment. If liquid gets into the equipment,
3
THE FCC REGULATION WARNING (for U.S.A)
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules.These limits are designed to
provide reasonable protection against harmful inter-
ference in a residential installation.This equipment gen-
erates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications.However, there is no guarantee that
interference will not occur in a particular installation.If
this equipment does cause harmful interference to ra-
dio or television reception, which can be determined
by turning the equipment off and on, the user is en-
couraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit dif-
ferent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV tech-
nician for help.
Unauthorized changes or modification to this system
can void the user’s authority to operate this equipment.
CE mark for European Harmonized Standards
CE mark which is attached to our company’s products
of AC mains operated apparatus until December 31,
1996 means it conforms to EMC Directive (89/336/
EEC) and CE mark Directive (93/68/EEC). And, CE
mark which is attached after January 1, 1997 means it
conforms to EMC Directive (89/336/EEC), CE mark Di-
rective (93/68/EEC) and LowVoltage Directive (73/23/
EEC).
Also, CE mark which is attached to our company’s prod-
ucts of Battery operated apparatus means it conforms
to EMC Directive (89/336/EEC) and CE mark Direc-
tive (93/68/EEC).
it could cause a breakdown, fire, or electrical
shock.
Be careful not to let metal objects get into the
equipment. If something does slip into the
equipment, unplug the AC adaptor from the wall
outlet.Then contact your nearest Korg dealer
or the store where the equipment was pur-
chased.
4
Contents
Introduction-------------------------- 6
Main features ----------------------- 6
Turning on the power ------------- 8
Battery Low display --------------------- 8
Controls and connectors ---------- 8
LCD screen------------------------------- 10
Making connections ------------- 11
Initial Settings --------------------- 12
Quick Edit ------------------------------- 12
Play mode ------------------------- 13
1.Selecting a program---------------- 13
2.Master level -------------------------- 13
3.Bypass/Mute ------------------------- 14
4.Tuner ----------------------------------- 14
5.Specifying the
function of the Value Dial--------- 15
6.Key Lock function ------------------- 16
Rhythm mode --------------------- 17
1.Rhythm Pattern ---------------------- 17
2.Tempo---------------------------------- 18
3.Rhythm Reverb Level --------------- 18
4.Rhythm Level ------------------------- 18
Chain Pattern settings ---------------- 19
Phrase Trainer mode ------------ 19
1.Select the recording mode -------- 19
2.Recording ----------------------------- 21
3.Playback ------------------------------ 21
4.Pause ---------------------------------- 22
AUX Pitch mode ------------------ 22
Edit mode -------------------------- 23
1.Select the effect
that you wish to edit --------------- 24
5
2.Editing each effect ------------------ 24
1) DYNA (Dynamics &
Preamp Modeling) -------------- 24
2) AMP (Amp Modeling) --------- 24
3) CAB (Cabinet Modeling) ----- 25
4) MOD (Modulation &
Filter Effect Modeling) --------- 25
5) DLY (Delay Effect Modeling)- 25
6) REV
(Reverb Effect Modeling) ----- 26
7) NR (noise reduction)----------- 26
8)TX (Infrared transmitter) ------ 26
9) RENAME ------------------------- 27
10) WRITE --------------------------- 27
3.Reloading the factory programs -
28
Troubleshooting------------------- 28
Effect Parameter------------------ 30
DYNA (Dynamics &
Preamp modeling) ----------------- 30
AMP (Amp Modeling)----------------- 31
CAB (Cabinet modeling) ------------- 34
MOD (Modulation &
Filter Effect Modeling) ------------ 34
About the
Intelligent Pitch Shifter--------- 37
DLY (Delay Effect Modeling) -------- 38
REV (Reverb Effect Modeling) ------ 38
Preset Program Name ---------- 39
Rhythm Pattern List -------------- 40
Specifications---------------------- 41
6
Introduction
Thank you for purchasing the TONEWORKS
PANDORA PX4B Bass Personal Multi Effect
Processor. In order to enjoy your PANDORA
PX4B, please read this owner’s manual care-
fully and retain it for future reference.
Main features
The PX4B is a highly versatile multi-effect de-
vice in a compact package. It makes it easy to
use Korg's proprietary " " modeling tech-
nology to create detailed and powerful model-
ing sounds.
122 types of effect variations
A maximum of seven effects can be used si-
multaneously.
IPE (Integrated Parameter Edit) system
Easy to adjust effect settings.
50 user and 50 preset programs
Amp modeling selector and control knobs
You can quickly and easily select ten types of
amp models and bass synths.
Infrared transmitter built-in
Infrared wireless headphones can be used for
remote wireless monitoring.
Backlit LCD
The LCD screen can be easily viewed even in
dark locations.
Auto Tuner function
This feature makes tuning fast and easy.You
can also tune without being heard (i.e., while
muted).
AUX pitch function
You can transpose an audio source from a CD
player or other device connected to the AUX
jack, and erases the bass from a song for play
along purposes (Bass Cancel function) --- a
great way to practice!
7
Rhythm function
The PX4B can play 100 rhythm patterns (in-
cluding metronome).Multiple patterns can also
be connected for successive playback.
Phrase Trainer function
Sound from a CD player or bass can be record-
ed (maximum of 31.7 seconds), and played back
as a loop. The playback speed can then be
slowed down without affecting the pitch of the
sound.The rhythm selected in Rhythm mode
and the bass output can also be recorded si-
multaneously.
TAP button
You can easily set the DelayTime or the tempo
of the Rhythm function to match the tempo of
the song.
Value dial
This lets you rapidly select programs or edit the
effects.
What is ?
(Resonant structure and Electronic
circuit Modeling System) is KORG’s propri-
etary sound modeling technology which
precisely reproduces the complex charac-
ter and nature of both acoustic and electric
instruments as well as electronic circuits in
real world environments. emulates
a wide variety of sound generation charac-
teristics including instrument bodies, speak-
ers & cabinets, acoustic fields, micro-
phones, vacuum tubes, transistors, etc.
8
Turning on the power
Remove the battery cover located on the bottom
of the PX4B by sliding it in the direction of the
arrow. Insert four AAA
alkaline batteries as
shown in the illustration.
Be sure to insert the bat-
teries observing the cor-
rect polarity.
Battery Low display
When the battery begins to run down, the Low
Battery icon will light.When this icon lights, re-
place the batteries as soon as possible.
Programs and other data (except for the data
being edited) will not be lost even if the battery is
removed and changed.
Batteries that have run down must be removed
from the PX4B. If you leave dead batteries in
the unit, malfunctions (battery leakage, etc.) may
occur. You should also remove the batteries
when you do not expect to use the PX4B for an
extended period of time.
An AC adapter is not included with this prod-
uct. It must be purchased separately.
Controls and connectors
1Control knobs
These knobs control the tone, and volume of
the amp modeling.
2Liquid Crystal Display (LCD)
3TUNE/BYPASS button
4EXIT button
This button returns youback to Play mode from
any mode.
9
5ENTER/REC button
This button is used to switch an effect on/off,
or to start recording in Phrase Trainer mode.
6Input level switch
Use this to adjust the input level (appropriate
for the output level of your bass).
7Amp Modeling selector
Select the type of amp modeling.
8▲/▼buttons
Use these buttons to select programs and edit
effects.
9OUTPUT jack
Connect this jack to your bass amp or head-
phones etc.
0INPUT jack
Connect your bass to this jack.
AAUX jack (stereo)
Connect this jack to a CD player or other au-
dio source.
BDC 4.5V
The separately sold AC adapter (DC 4.5V
) should be connected here.
C√/®buttons
Use these buttons to select the parameter that
you wish to edit, and to operate the Phrase
Trainer function.
DPower switch/Backlight switch
This switch turns the power On/Off, and also
turns the backlight On/Off.
Using the backlight and/or infra-red wireless
headphone transmitter, significantly shortens
the lifespan of the batteries.
EValue dial
Use this to adjust the master level, edit effects,
and select programs.
FTAP button
You can set the Delay Time by pressing this
button twice at the desired tempo of delay. In
Rhythm mode, you can set the tempo of the
rhythm in the same way.
GMode buttons
Use these buttons to enter the Rhythm, Phrase
Trainer, or AUX Pitch modes.
10
LCD screen
1Effect chain
This area indicates the on/off status of the
DYNA, AMP, CAB, MOD, DLY, and REV ef-
fects
2Program name/Effect type display
This area shows the program name or effect
type.When the PX4B is bypassed or muted,
this will display as the tuner.
3Low Battery icon
This icon will light when the batteries run down.
4Mode icons
These icons will light when you are in the AUX
Pitch, Phrase Trainer, or Rhythm modes.
5Infrared transmitter icon
This icon will light when the infrared transmit-
ter is on.
6Edit/Original icons
The EDIT icon will light when you enter Edit
mode. If the parameter or value being edited
matches the value that is written in the pro-
gram, the ORIG icon will light.
7Program number/value display
This displays the program number.
When you change the Master Level, its value
will be displayed here for several seconds.
During editing, this displays the parameter
values.
8Master/Value icons, bar graph
When MASTER is lit, the master level of the
program is indicated graphically. When VAL-
UE is lit, the value of the parameter is indicat-
ed graphically.
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