DigiTech RP21D User Manual

I

These symbols are internationally accepted symbols that warn of potential
hazards with electrical products.The lightning flash means that there are
dangerous voltages present within the unit.The exclamation point indicates
that it is necessary for the user to refer to the owners manual.

These symbols warn that there are no user serviceable parts inside the unit.
Do not open the unit. Do not attempt to service the unit yourself. Refer all
servicing to qualified personnel. Opening the chassis for any reason will void
the manufacturer’s warranty. Do not get the unit wet. If liquid is spilled on
the unit, shut it off immediately and take it to a dealer for service.

Disconnect the unit during storms to prevent damage.

U.K. Mains Plug Warning

A molded mains plug that has been cut off from the cord is unsafe.
Discard the mains plug at a suitable facility. Never under any circum-

stances should you insert a damaged or cut mains plug into a 13
amp power socket.Do not use the mains plug without the fuse cover

in place. Replacement fuse covers can be obtained from your local retail­er. Replacement fuses are 13 amps and MUST be ASTA approved to
BS1362.

Safety Instructions

Notice for customers if your unit is equipped with a power cord.

Warning:This appliance must be earthed.

The cores in the mains lead are colored in accordance with the following
code:

Green and Yellow - Earth Blue - Neutral Brown - Live
As colors of the cores in the mains lead of this appliance may not corre­spond with the colored markings identifying the terminals in your plug, pro­ceed as follows:

•The core which is colored green and yellow must be connected to the
terminal in the plug marked with the letter E, or with the earth sym­bol, or colored green, or green and yellow.

•The core which is colored blue must be connected to the terminal
marked N, or colored black.

•The core which is colored brown must be connected to the terminal
marked L, or colored red.

This equipment may require the use of a different line cord, attachment
plug, or both, depending on the available power source at installation.If the
attachment plug needs to be changed, refer servicing to qualified service
personnel who should refer to the table below.The green/yellow wire shall
be connected directly to the unit’s chassis.

Warning: If the ground plug is defeated, certain fault conditions in the unit
or in the system to which it is connected can result in full line voltage
between chassis and earth ground. Severe injury or death can then result if
the chassis and earth ground are touched simultaneously.

LIVE

E

NEUTRAL

EARTH GND

CONDUCTOR

L

N

BROWN

BLUE

GREEN/YEL

BLACK

Normal Alt

WIRE COLOR

WHITE
GREEN

Warning

For your protection, please read the following:

Water and Moisture:Appliances should not be used near water

(e.g. near a bathtub,washbowl, kitchen sink, laundry tub, in a wet
basement, or near a swimming pool, etc.) Care should be taken so
that objects do not fall and liquids are not spilled into the enclosure
through openings.

Power Sources: The appliance should be connected to a power
supply only of the type described in the operating instructions or as
marked on the appliance.

Grounding or Polarization: Precautions should be taken so that
the grounding or polarization means of an appliance is not defeated.

Power Cord Protection: Power supply cords should be routed so
that they are not likely to be walked on or pinched by items placed
upon or against them, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from the
appliance.

Servicing: To reduce the risk of fire or electrical shock, the user
should not attempt to service the appliance beyond that described in
the operating instructions.All other servicing should be referred to
qualified service personnel.

For units equipped with externally accessible fuse recepta­cle: Replace fuse with same type and rating only.

Electromagnetic Compatibility

Operation is subject to the following conditions:

•This device may not cause harmful interference.

•This device must accept any interference received, including
interference that may cause undesired operation.

•Use only shielded interconnecting cables.

•Operation of this unit within significant electromagnetic fields
should be avoided.

II

DECLARATION OF CONFORMITY

Manufacturer’s Name: Digitech Electronics
Manufacturer’s Address: 8760 S. Sandy Parkway

Sandy, Utah 84070, USA

declares that the product:

Product Name: RP21, RP21D
Product Options: All (requires a Class II power adapter that conforms to the requirements of

EN60065, EN60742, or equivalent.)

conforms to the following Product Specifications:

Safety: EN 60065 (1993)

IEC 65 (1985) with Amendments 1, 2 & 3

EMC: EN 55013 (1990)

EN 55020 (1991)

Supplementary Information:

The product herewith complies with the requirements of the Low Voltage Directive
73/23/EEC and EMC Directive 89/336/EEC as amended by Directive 93/68/EEC.

Digitech

President of Digitech
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Tel: [phone]
Fax: [phone]

Effective February 10, 1999

European Contact: Your Local Digitech Sales and Service Office or

International Sales Office
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Tel. [phone]
Fax [phone]

We at Digitech are very proud of our products and back-up each one we sell with the following warranty:

1. The warranty registration card must be mailed within ten days after purchase date to validate this warranty.

2. Digitech warrants this product, when used solely within the U.S., to be free from defects in materials and workmanship under
normal use and service.

3. Digitech liability under this warranty is limited to repairing or replacing defective materials that show evidence of defect,
provided the product is returned to Digitech WITH RETURN AUTHORIZATION, where all parts and labor will be covered up to a
period of one year. A Return Authorization number may be obtained from Digitech by telephone. The company shall not be liable
for any consequential damage as a result of the product's use in any circuit or assembly.

4. Proof-of-purchase is considered to be the burden of the consumer.

5. Digitech reserves the right to make changes in design, or make additions to, or improvements upon this product without
incurring any obligation to install the same on products previously manufactured.

6. The consumer forfeits the benefits of this warranty if the product's main assembly is opened and tampered with by anyone other
than a certified Digitech technician or, if the product is used with AC voltages outside of the range suggested by the
manufacturer.

7. The foregoing is in lieu of all other warranties, expressed or implied, and Digitech neither assumes nor authorizes any person to
assume any obligation or liability in connection with the sale of this product. In no event shall Digitech or its dealers be liable
for special or consequential damages or from any delay in the performance of this warranty due to causes beyond their control.

Digitech™, S-DISCII™, Whammy™, and Silencer II™ are registered trademarks of the Harman Music Group Incorporated.

NOTE: The information contained in this manual is subject to change at any time without notification. Some information contained in this
manual may also be inaccurate due to undocumented changes in the product or operating system since this version of the manual was
completed. The information contained in this version of the owner's manual supersedes all previous versions.

III

Table of Contents

Safety Information....................................................................................................I

Declaration of Conformity ......................................................................................II

Warranty ..................................................................................................................III

Table of Contents ....................................................................................................IV

Section One - Introduction

Congratulations........................................................................................................1

Included Items ........................................................................................................1

Product Features......................................................................................................1

Quick Start................................................................................................................2

A Guided Tour of the RP21 ..................................................................3

The Front Panel......................................................................................3

The Rear Panel ......................................................................................4

Getting Started....................................................................................................5

Making Connections ..............................................................................5

Mono ....................................................................................................5

Stereo ....................................................................................................6

Direct to Console ..................................................................................6

Digital Output ........................................................................................6

Powering................................................................................................7

About the RP21 ......................................................................................7

Program Mode ......................................................................................7

The Display ............................................................................................7

The Programs ........................................................................................8

The Footswitches....................................................................................8

The Expression Pedal ............................................................................8

The Effects..............................................................................................8

Preamp/Analog Modules ........................................................................9

Digital Effects Modules ..........................................................................9

Section Two - Editing Functions

Selecting a Program ..............................................................................10

Creating Programs..................................................................................10

Preamp Defaults......................................................................................10

Editing the Preamp ................................................................................10

The Preamp Effects ................................................................................10

Compressor............................................................................................11

Wah........................................................................................................13

Tube Distortion......................................................................................13

Saving a Distortion Default ....................................................................14

Solid State Distortion..............................................................................15

10 Band Graphic EQ ..............................................................................16

Noise Gate..............................................................................................17

Master Preamp Setting ..........................................................................19

Storing a User Preamp Default ............................................................21

Naming a Default ....................................................................................21

Default List ..............................................................................................22

Digital Effects ..........................................................................................24

Configuration Chart................................................................................24

Changing Effects......................................................................................25

Effect Types..............................................................................................28

Choruses & Flangers ..............................................................................28

Chorus ..................................................................................................28

Flanger ..................................................................................................30

Phaser....................................................................................................31

Pedal Phaser ..........................................................................................31

Rotary Speaker ......................................................................................32

Trmolo and Panner................................................................................32

Temolo ..................................................................................................33

Panner ..................................................................................................33

Delays ....................................................................................................33

Multi Effects Modules ............................................................................35

Reverse Delay ........................................................................................36

Time Warp ............................................................................................36

Samplers................................................................................................36

Reverb....................................................................................................37

Gated Reverb..........................................................................................38

Detuners ................................................................................................40

Pitch Shifters and Harmony....................................................................41

Whammy Effects ....................................................................................43

Auto Wah................................................................................................43

Equalizers ..............................................................................................44

Graphic Equalizers ................................................................................44

Parametric Equalizers ............................................................................45

Master Mix ..............................................................................................46

Cabinet Emulator ..................................................................................46

Storing/Copying Programs ....................................................................47

Section Three - Advanced Topics

Footcontroller Fuctions ........................................................................48

Assigning Programs................................................................................48

Assigning on/off Functions....................................................................48

Expression Pedal Assignments ............................................................49

Assigning the Wah ..................................................................................50

Assigning Morph or Volume ..................................................................50

Modifiers..................................................................................................51

Dynamic Filters ......................................................................................51

Low Frequency Oscillators ....................................................................51

MIDI CC’s ..............................................................................................51

Assigning a Modifier ..............................................................................51

Viewing, Changing, or Deleting Assignments ....................................52

Tuner ........................................................................................................53

Section Four - Utilities

Output Mode............................................................................................54

Cabinet Emulator....................................................................................54

MIDI Channels ........................................................................................54

Program Receive Map ............................................................................55

Program Transmit Map..........................................................................55

SysEx Channel and MIDI Merge ..........................................................56

SysEx Dump ............................................................................................56

Program Dump........................................................................................57

User Defalut Dump ................................................................................57

Assigning a MIDI CC to Pedals ............................................................58

Bank Names

....................................................................................59

Volume Pedal Update ............................................................................59

Factory Reset ..........................................................................................59

Recalibrating the Expression Pedal ....................................................60

Section Five - Appendix

Factory Program List ..................................................................................61

Specifications ..........................................................................................62

MIDI Implementation Chart..................................................................63

IV

RP21D User’s Guide Section One - Introduction

Section-1 Introduction

Congratulations on your purchase of the Digitech RP21D!

The DigiTech RP21D is one of the most powerful preamp processors in the world. The exclusive dual preamp paths, and palette of great
digital effects, combined with the flexible routing and a digital output make the RP21D an extremely versatile sound shapingtool for your
music in the studio or on stage. This user’s guide is your key to understanding how to get the most out of the RP21D. Please read it carefully
and familiarize yourself with the controls.

Your RP21D was carefully assembled and packaged at the factory. Before you proceed any further, make sure the following items are
included:

• (1) User’s Guide

• (1) RP21D Preamp Processor

• (1) DigiTech Warranty Card

• (1) PS0940 or PS0920 Power Supply

Please take a moment to fill out the warranty registration card, and be sure to save all packing materials. The warranty is your safeguard in
the unlikely event that the unit requires servicing, and the packing materials should be used to return the unit.

Once again, thank you for your purchase, and enjoy your RP21D.

RP21D Features:

• Dual Preamp Path

• Built-in Expression Pedal

• Tube Preamp (12AX7)

• Full Band Width Effects (20 Hz-20 kHz)

• 24-bit Signal Path, 48-bit Internal Data Path

• Up to 4 Digital Effects at once

• Flexible Effect Routing

• S-DISC II Processing

• Programmable Speaker Cabinet Emulator

• Chromatic Tuner

• Full MIDI Implementation

• S/PDIF Digital Outputs

• Continuous Control of All Effects and Parameters

• Simple User Interface

1

RP21D User’s Guide Section One - Introduction

Quick Start

The RP21D comes with 128 pre-programmed factory presets, and 128 user presets. You will find that from the factory, the user presets are
exact duplicates of the factory presets. This allows you to experiment without running the risk of losing any of the original sounds contained
in the RP21D.

For those of you who prefer to burn now and read later, we’ve included this Quick Start section to get you up and running.

Making Connections:

Connect your instrument to the input jack on the rear panel. Connect from the Left Output (for mono operation), or the Left and Right
Outputs (for stereo operation) to the input(s)of your amplifier(s) or power amp.

Apply Power:

Turn the Output knob on the rear panel of the RP21D all the way down (fully counter clockwise). Connect the plug of the PS0940 power
supply to the power jack on the RP21D. Connect the other end of the PS0940 power supply to an AC outlet. Begin playing your instrument
and adjust the Input Level knob until the Input Clip LED flashes with strongest signal, then slightly reduce the Input Level. Turn the power of
your amplifier(s) to the on position. Gradually increase the Output knob to achieve the desired volume.

Select Program:

Use the Footswitches or the Data Wheel to scroll through the different programs. Once you have found some Programs that suit your taste,
you can alter the sounds to your specific needs. By pressing the Effects button, you can roll the Data Wheel to access any of the effects
contained within your selected Program. The 1-4 buttons will select the specified parameters related to each effect. The Next Page, and
Previous Page buttons will display all of the pages of related effect parameters. Once a parameter has been selected, you may increase or
decrease the parameter value with the Data Wheel. You can adjust any of these parameters to your liking, and remember that you are not at
risk of losing any sounds so, don’t be afraid to experiment.

2

RP21D User’s Guide Section One - Introduction

A Guided Tour of the RP21D

The Front Panel

1. Footswitches - The footswitches are used to call up Programs, change banks, access the tuner, bypass all effects, turn individual effects

on and off, or change the value of a specific parameter.

2 Display - The display provides all information regarding the current Program, parameter edit functions, utility set up, and tuning

indications.

3. Store Button- The Store button is used to save your custom edits to the user Programs. This button will light when changes have been

made to any Program, indicating that to retain these changes, they must be stored.

4. Program Button- The Program button lights to indicate that you are in the Program mode as opposed to edit mode. While in Program

mode, the RP21D provides access to all Programs, and the ability to turn effects on or off. You cannot modify your
Programs in the Program mode. This button can act as an escape key taking you out of edit mode, or if you are
already in Program mode, you can toggle from factory to user Programs by pressing and holding this button.

5. 1-4 Buttons - These buttons will access the parameters shown in the display. Each parameter in the display will have a number next to

the parameter. The parameters can be accessed by pressing the button corresponding to the the numbered parameters.

6a. Preamp Button - The Preamp button will provide direct access to the effect modules in the Preamp section of the RP21D. This button

will light when you are editing modules in the Preamp section.The modules in the Preamp section include the
Compressor, Analog Wah, Tube Distortion, 10 band Graphic EQ for the Tube Distortion, Solid State Distortion, 10
band Graphic EQ for the Solid State Distortion, and Noise Gate. Successive presses of the preamp button will
advance to the next effect module in the Preamp section.

6b. Effects Button - The Effects button provides direct access to the effect configurations as well as the individual digital effect modules.

This button will light while you are editing effects in the digital section of the RP21D.Successive presses of the Effects
button will advance to the next digital effect module in the current configuration.

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3

6c. Utility Button - This button will provide access to the utility functions in the RP21D. This button will light when you are in the Utility

menu.Once in the Utility menu, you may use the Previous Page and Next Page buttons to select any of the 15 pages of
Utilities. The Utility menu includes Output mode, MIDI functions, System Exclusive dumps, Bank Names,
Reinitialization menu, and Expression Pedal Calibration menu.

6d. Previous Page Button - The RP21D may have several “pages” of parameters or menus for a particular section of programing. The

Previous Page button will allow you to step backwards through these pages of menus or parameters.
Successive presses of the Previous Page button will back step by one page for each press. This button will
light when an effect or menu contains more than one page.

6e. Next Page Button - The RP21D may have several “pages” of parameters or menus for a particular section of programing. The Next

page button will allow you to advance forward through the pages or menus. Successive presses of the Next Page
button will advance forward by one page for each press. This button will light when an effect or menu contains
more than one page.

6f. Assign Button - The Assign button is used to assign Programs, effect on/off functions, or parameters to the expression pedal,

footswitches, or MIDI CC’s. It is also used for viewing pedalboard assignments, or adjusting minimum/maximum
values of assigned parameters. This button will light while in the assignment menu. Making assignments is as easy as
selecting the Program or parameter that you wish to assign, pressing the assign button once, and selecting the
footswitch or pedal that you wish to use to access the Program or parameter. See page 48 for more on assigning
functions to the pedalboard.

7. Data Wheel - This rotary knob is used to scroll through Programs, adjust parameter values, or change the status of any function

currently selected in the display.

8. Expression Pedal - The Expression Pedal is used for real time control of parameters during performance. This pedal may control

volume in one Program, wah in another Program, morph between the tube and solid state preamp in another
Program, or vary the delay time in yet another Program. Individual boundaries may be set up for the minimum and
maximum parameter values that will be accessed by the Expression Pedal. See page 49 for more on making
expression pedal assignments.

Rear Panel

1. Input Jack - This is where your signal enters the RP21D. Connect from the output of your instrument to this jack.

2. Input Level - This knob adjusts the strength of the signal as it enters the RP21D. Set this level so that the clip LED lights occasionally

with strong signals.

3. Clip LED - This LED will light when the input signal is overdriving the input of the RP21D. The Input Level knob should be adjusted in

conjunction with watching this LED. The Clip LED should light occasionally with strong signal.

4. Output Level - This knob controls the level of signal coming out of the RP21D.

5. Right Output - This jack should be used for stereo applications. Connect from this output to the input of a second amplifier, or the

right input of a stereo power amp.

4

RP21D User’s Guide Section One - Introduction

6. Left/Mono Output - This output should be used for all stereo and mono applications. Connect from this jack to the input of your

amplifier, or the left input of a stereo power amp. If the RP21D is to be used in a mono application, set the Output
Mode to mono in the utility menu.

7. Headphone Output - This jack delivers a speaker compensated, stereo signal. Connect stereo headphones to this jack. Do not connect

a mono jack here as doing so may damage the output driver.

8. Power Input - This connector is used to power the RP21D. Use only the DigiTech PS0940 power supply provided.

9. MIDI In - This jack is used to receive all incoming MIDI data intended to control the RP21D. Connect from this jack to the MIDI out of

a sequencer, MIDI controller, or MIDI storage device.

10. MIDI Out/Thru - This jack is used for all MIDI data being sent out of the RP21D. Connect from this jack to the MIDI input of any

external MIDI devices that you wish to control. The MIDI Thru function of this jack simply sends out the same
information that is received at the MIDI In of the RP21D.

11. S/PDIF Output - This is the digital output from the RP21D. The signal at this output is in a digital format, and is to be connected to a

digital S/PDIF input such as those found on digital recorders.

Getting Started

Making Connections

Before connecting the RP21D, make sure that the power to your amplifier is turned off, and that the power to the RP21D is disconnected.
There is no power switch on the RP21D. To turn the RP21D on, simply plug the power supply in to an AC outlet. To turn the RP21D off,
unplug the power supply from the AC outlet.

There are several different amplification options available when using the RP21D. You may run mono into an amp or power amp, stereo into
two amps or a stereo power amp, direct into a mixing console, or a combination of amp(s) and mixing console. The following diagrams
show the connections for some of these options.

Mono

Connect your guitar to the input of the RP21D. Connect the Left Mono output of the RP21D to the instrument input on your amplifier, or to
the line input of a power amp. Set the Output Mode to mono in the utility menu.

Input

Left Mono output

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5

RP21D User’s Guide Section One - Introduction

Stereo

For stereo operation connect the guitar to the input of the RP21D. Connect from the RP21D’s Left/Mono output to the input of one amplifier
or channel of a power amp. Connect from the Right output of the RP21D to a second amplifier, or to a second channel of a power amp.

NOTE: The RP21D is a preamp. Running The RP21D signal into the input of a combo guitar amplifier will preamplify the signal again adding
noise and possibly feedback. When using a guitar amp, it is best to connect the guitar to the input of the RP21D and the output of the RP21D
to the effect return of the amplifier.

Direct to a Mixing Console

The RP21D can be connected directly to the inputs of a house PA system, or to a recording console. Connect the guitar to the input of the
RP21D, and from the outputs of the RP21D to the channel inputs of the mixing console. Be sure to engage the RP21D’s Cabinet Emulator in
this application. See page 46 for more on selecting the Cabinet Emulator.

Digital Output

The RP21D includes a digital S/PDIF output enabling you to eliminate multiple analog to digital, and digital to analog conversions when
recording digitally. Simply connect from the S/PDIF output of the RP21D to the S/PDIF input on your digital mixer or recorder. The RP21D
will deliver a digital signal to your digital mixer or recorder. You must have S/PDIF inputs on the receiving device in order to use this output.
You may use the analog and digital outputs of the RP21D simultaneously.

ATTENTION: Do not connect this output to analog auxilary, CD, phono, or tape inputs on consumer electronic devices. It is not compatible

with these inputs.

Pan

Mute

-10

0

+5

+10

-20

-30

-°

-5

L / R

Mute

L / R

Mute

L / R

Mute

L / R

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

Pan

-5

-4

-3

-2

-1

0

+1

+2

+3
+4
+5

1234

-10

0

+5

+10

-20

-30

-°

-5

-10

0

+5

+10

-20

-30

-°

-5

-10

0

+5

+10

-20

-30

-°

-5

Mute

L / R

5

-10

0

+5

+10

-20

-30

-°

-5

Mute

L / R

6

-10

0

+5

+10

-20

-30

-°

-5

Mute

L / R

7

-10

0

+5

+10

-20

-30

-°

-5

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Aux 1

0

2

46

8

10

Aux 2

0

2

46

8

10

Mute

L / R

8

-10

0

+5

+10

-20

-30

-°

-5

Right Output Left (Mono) Output

Input

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D

Stereo 100 Power Amp

Input

Right output

Right input

Left Mono output

Left input

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6

RP21D User’s Guide Section One - Introduction

Powering the RP21D

Once the audio connections have been made, connect the 4 pin connector of the power adapter to the power jack on the back of the RP21D
and the other end to an AC outlet. Begin to play your guitar while adjusting the Input Level on the back panel of the RP21D. The Input Level
should be adjusted so the clip LED lights occasionally on the strongest peaks of your signal.
At this point, turn the Output Level of the RP21D all the way down (counterclockwise). Then turn the power to your amplifier(s) on. Set the
amp(s) to a clean setting and set the tone controls to a flat EQ response (on most amps, this would be 0 or 5 on the tone controls). Turn
the Output Level of the RP21D up to achieve the desired volume level.

About the RP21D

Program Mode

When you first apply power to the RP21D, it will power up in Program mode. Program mode is indicated when the Program button is lit and
is the mode used while you are performing. Using the footswitches while in Program mode allows you to access different Programs, turn
effects on and off, access the tuner, bypass all effects, change banks, or adjust the values of any parameters assigned to the expression pedal.
Rotating the Data Wheel selects Programs in the Program mode.

The Display

Understanding what the RP21D’s display is telling you is crucial to getting the most out of what the RP21D has to offer. There are several
different sections to the display, and each section is telling you what the RP21D is currently doing, or listing options to alter the current
sound.

A. Factory/User Icon - This section of the display tells you whether you are currently using a factory Program, or a user Program.

Pressing and holding the Program button for 2 seconds will switch between the factory and user Programs.

B. Program Number - In Program mode, this section of the display will show the number of the currently selected Program. In tuner

mode, this section of the display will show the name of the note that you are tuning.

C. Program Name - This line of the display will show the name of the Program currently active.

D. Parameter Values - This section of the display will appear when you are editing a Program. Each of the 4 sections represent an effect

parameter and the value of that parameter. Accessing any of these 4 parameters is done with the 1-4 buttons to the
right of the display. Once the parameter has been accessed, the value may be adjusted with the Data Wheel.

E. Speaker Icon - This icon is displayed when the speaker simulator is active in the Program.

F. Signal Flow - This section of the display shows the order of the effect modules and the configuration being used in the digital section of

the RP21D. Each box represents a separate effect. A bypassed effect will be indicated by a horizontal line going through
the effect box.

G. Input Signal/Tuner - This section of the display will show the strength of the input signal to the Effects section. This section of the

display also functions as a tuning indicator. While in the tuner mode, the Program number will show the note you
are tuning, and this line will provide indications as to whether you are sharp, flat, or in tune.

H. Bank/Page Number - This section of the display will show the Bank number that is currently active when you are in Program mode.

While in edit mode, this section will show how many pages of parameters are associated with a particular editing
function, and which page you are currently on.

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7

RP21D User’s Guide Section One - Introduction

The Programs

Programs are named and numbered locations of sounds that have been programmed into the RP21D. Programs can be recalled with the
footswitches or the Data Wheel. The RP21D comes with 128 factory and 128 user Programs available. The factory Programs will not allow
you to store any changes to them. The user Programs are locations where your creations may be stored. You will notice that the 128 user
Programs are exact duplicates of the 128 factory Programs. This allows you to make your own Programs without worrying about losing any
of the sounds that the RP21D came with.

When you select a Program, the name and number of the Program will be shown in the display. An icon directly beneath the number of the
Program will indicate whether the Program is a factory Program or a user Program. Depending on whether or not you have changed any
footswitch assignments, the top row of footswitches may have one or more LEDs lit, indicating the status of the effects assigned to those
switches.

The RP21D includes a variety of different Programs. Go ahead and audition several of the Programs. Once you have found some sounds that
are close to what you are looking for, you can edit those Programs until they are exactly what you want.

The Footswitches

The RP21D includes 12 footswitches which can be assigned to perform different functions. The footswitches can call up Programs, turn
effects on or off within a Program, change banks, bypass the Program, or access the tuner. Other functions can also be performed with the
footswitches such as setting up a delay time by tapping your foot on a switch in time with the tempo of a song. You can also use the
footswitches to change a parameter to a specific value.

From the factory, the footswitches have been set up to call up Programs with the bottom row (switches 1-5), and turn effects on and off with
the top row (switches 6-0). You may change assignments to any of these ten switches to suit your needs. For more on assigning the
switches, see page 48. The top and bottom switches on the far right (next to the expression pedal) cannot be reassigned. These switches are
permanently assigned to advance banks with the top switch, or decrement banks with the bottom switch. The top right switch will also
bypass the current Program by pressing and holding the switch. The bottom right switch will access the tuner by pressing and holding the
switch.

The Expression Pedal

As you go through the different Programs that came in the RP21D, you will find that the expression pedal has different functions. This pedal
can be assigned to control any parameter of any effect in the RP21D. Rocking the pedal back and forth will change the value of the
parameter that the pedal has been assigned to control. You may assign minimum and maximum values (stop points) for each parameter that
you control with the pedal. For more on assigning the expression pedal, see page 49.

The Effects

Creating your own signature sound with the RP21D is easy and intuitive. The RP21D is divided into two sections of effect modules: the analog
or preamp modules, and the digital effect modules. Each section may be accessed individually for the purpose of modifying the available
effect modules.

8

RP21D User’s Guide Section One - Introduction

Preamp/Analog Modules

Access to all of the preamp modules is accomplished by pressing the Preamp button. Once pressed, an effect module in the preamp section
of the display will begin to flash indicating which module you have accessed. Successive presses of the Preamp button will advance to the
next module in the preamp section. Each module will have various parameters available for editing. Each parameter will be preceded by a
highlighted number between 1 and 4. Use of the 1-4 buttons will select the corresponding numbered parameter. There may be more than
one page of parameters associated with the effect module. This will be indicated by the Next and Previous Page buttons being lit. The bottom
left corner of the display will show which page you are on, and how many pages are associated with that effect. When you have selected the
parameter to be edited, rotating the Data Wheel will change the value of the parameter. You will be able to hear your changes in real time.

Digital Effects Modules

Access to all of the digital effects modules is accomplished by pressing the Effect button. The first press of the Effect button will take you to
the configuration menu of the digital section. The RP21D includes 15 different configuration to choose from. Each configuration will change
the signal routing through the digital effects, the number of effect modules, and the processing power available to each of the effect modules.
Every time that you change configurations, you will start out with a “blank slate” of digital effect modules. In other words, changing the
configuration will cause all digital effect modules to default to “thru modules,” meaning that you will have to choose the effect for each
module. Once you have selected the desired configuration, press the Effects button again and the first module in the selected configuration
will begin to flash indicating which module you are about to edit. Successive presses of the Effects button will advance to the next module in
the digital section of the RP21D. After you have selected the module that you wish to edit, use the 1-4 buttons to select the parameter that
you want to modify. There may be more than one page of parameters associated with the effect module. This will be indicated by the Next
and Previous Page buttons being lit. The Bank/Page section of the display will show which page you are on, and how many pages are
available. When you have selected the parameter to be edited, rotate the Data Wheel to change the value of the parameter. You will be able to
hear your changes in real time.

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RP21D User’s Guide Section One - Introduction

Section Two - Editing Functions

Selecting a Program

When creating or editing a sound, you must first start by choosing a Program. The Program number does not necessarily need to be the
location which you intend to have the sound reside, as you can save your creation to any user Program number during the store process.
You do have to start with one of the user or factory Programs. It is not possible to start with a completely empty Program. Pick a Program
which will be your starting point.

Creating Programs

The RP21D lets you create your own Programs, or fine tune the original settings to suit your needs. Editing and creating is a very simple
process that doesn’t require a lot of time dedicated to learning the menus. Once a Program has been edited to your liking, you may store
those settings to any of the 128 user Programs. Remember that the user Programs are duplicates of the factory Programs so, you are not at
risk of losing any of the sounds that the RP21D came with.

Preamp Defaults

Once you have selected the Program, press the Preamp button once. All of the modules in the Preamp section will begin flashing in the
display. This is the default page of the Preamp. A default is a way of quickly getting several effects and/or parameters set up without having to
Program each one individually. It remembers the settings of all of the preamp effect modules and will set all parameters to the values stored
in the default. There are 30 factory and 30 user preamp defaults in the RP21D. You can choose one of the factory preamp defaults that suits
your needs, or tailor your basic sound to get a custom preamp tone that you will want to use for several other Programs. You can then store
your custom default to a user default location. Then when you create a new Program in which you wish to use that same preamp tone, all
you have to do is select the same default setting. This saves you the time and hassle of reprograming the preamp every time you create a
Program.

Editing the Preamp

Let’s suppose that you are not going to use a default for the preamp, or that you are going to create a custom default setting. This means that
you will need to edit all the effects in the preamp individually. To access the effects within the preamp, press the preamp button twice. The
Compressor box will begin to flash indicating that you are about to edit the compressor module. Successive presses of the preamp button
will advance through all of the effect modules in the preamp section. Once you reach the end of the preamp modules, the RP21D will “loop
around” and start at the beginning again. Every module will have parameters associated with that effect available for editing. These
parameters will be shown in the 1-4 positions of the display. To adjust any of these parameters, press any of the 1-4 buttons and an arrow
will appear next to the corresponding parameter. Rotate the Data Wheel to change the value of that parameter.

When the preamp has been edited to suit your requirements, you may store the settings to a user default for use in other Programs, or move
on to editing your digital effects within the current Program.

The Preamp Effects

The preamp contains a total of 7 different effects. The effects were laid out in the most logical and best sounding order and cannot be
changed. The guitar signal can go through any or all of the modules. The first effect that your guitar goes through is the compressor. The
output of the compressor is then fed to the Wah. After the Wah effect, the signal can be split and run through two discrete Distortion paths.
Each Distortion path has a dedicated Equalizer. The expression pedal can be assigned to morph between the two Distortion paths (see page
50 for more information on morphing). The outputs of the Equalizers are sent into a Noise Gate which is the end of the Preamp effect
modules. Each effect in the preamp (except for the Wah) includes a default menu exclusive to that effect.

10

RP21D User’s Guide Section Two - Editing Functions

Compressor

Compression is a tool that sets boundaries for the strength of your guitars signal. A bi-product of containing a signal within these boundaries
is long lasting sustain, as well as a tight, smooth texture. Selecting the Compressor is done by pressing the Preamp button until the
Compressor module is flashing in the display. The display will look something like this:

The display will show three things about the Compressor.

1. This is showing that the type of effect you are about to edit is a Compressor, and that the effect is on. The number 1 icon before the word
“on” indicates that in order to access the on/off parameter, you need to press the number 1 button. The status can then be changed by
rotating the Data Wheel.

2. This is the default setting for the Compressor. The Compressor default shown here is factory default 5 (F5)which is a heavy Compression
setting. The number 4 which precedes the F5 value, indicates that in order to access the default parameter, you must press the number 4
button. The default can then be changed by rotating the Data Wheel. See page 22 for a complete list of defaults.

3. The bottom corner of the display is showing that there are 3 pages of parameters associated with the Compressor, and that you are on the
first of these three pages. The next and previous page button can be used to access the other pages of parameters associated with the
Compressor.

When you access page two of the compression parameters, the display will look something like this:

The display it now telling you four more things about the Compressor parameters

1. This is the Compressors Threshold parameter. The Threshold is the strength the incoming signal must be before the compression will
start. A signal above this level will be compressed, a signal below this level will not. The number 1 icon is telling you that in order to
access the Threshold parameter, you must press the number 1 button. Then you can adjust the Threshold value by rotating the Data
Wheel.

2. This is the Compressors Ratio parameter. The Ratio is the amount of compression that will be applied to the signal once the Threshold
has been exceeded. In the display shown above, the Ratio is 9 to 1 (the 1 is implied). A Ratio of 9 to 1 means that for every 9 dB of
incoming signal, there will only be a 1 dB increase in output. The number 2 icon is telling you that in order to access the Ratio parameter,
you must press the number 2 button. Then you can adjust the Ratio value by rotating the Data Wheel.

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RP21D User’s Guide Section Two - Editing Functions

3. This is the Compressors Attack Time parameter. The Attack Time parameter adjusts the length of time that it takes the compressor to
reach the full Ratio once the Threshold has been exceeded. The number 3 icon is telling you that in order to access the Attack Time
parameter, you must press the number 3 button. Then you can adjust the Attack Time value by rotating the Data Wheel.

4. This section of the display is telling you that there are three pages of Compression parameters, and that you are currently on the second
page. Pressing the Next Page button will advance you to the third page of Compression parameters.

Once you access the third page of Compression parameters the display will look something like this:

There are now two things that the display is telling you:

1. This is the Compressors Output Level parameter. Since there are no other parameters on this page, you do not need to press any buttons

to access the parameter. The number 1 button will default as the selected parameter. You can use the Data Wheel to adjust the Compressors
Output Level.

2. This section of the display is telling you that you are on page 3 of 3. There are no more pages of parameters to display. Pressing the Next
Page button will wrap around to page 1 of 3.

If you made any changes to the Compressor’s parameters, you can save your changes to a user default for the Compressor. This will allow
you to quickly recall all of these Compression settings when creating another Program just by choosing the user default. To save your
Compression settings to a user default, you will have to return to page 1 of 3, and the display will look something like this:

The number 3 icon is telling you that in order to store your Compressor settings to a default, you must press the number 3 button. Once you
press the number 3 button, the RP21D will take you into a naming menu to give your compressor default setting a custom name. See page
21 for more information on naming functions.

NOTE: The Store option for saving a Compressor default will not appear if you did not make any changes to the compressors parameters.

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RP21D User’s Guide Section Two - Editing Functions

Wah Wah

The RP21D includes an analog Wah effect which can be assigned to the expression pedal and controlled just like a stand alone Wah pedal.
You access the Wah by pressing the Preamp button until the Wah module in the display is flashing. With the Wah module flashing, the display
will look something like this:

The display is now telling you 4 things about the Wah effect:

1. This is the Wah on/off parameter. The number 1 icon is telling you that in order to access the on/off parameter, you must press the
number 1 button. Then you can turn the Wah effect on or off by rotating the Data Wheel.

2. This is the Wah Pedal Position parameter. The number 2 icon is telling you that in order to access the Pedal Position parameter, you must
press the number 2 button. Then you can assign the wah effect to the Expression Pedal by pressing Assign once, and rocking the Pedal
back and forth once.

3. This parameter is the Wah Type. The number 4 icon is telling you that in order to access the Wah curve response, you must press the
number 4 button. Then you can select the different curves of Wah by rotating the Data Wheel.

4. This section of the display is telling you that there is only one page of Wah parameters. Pressing the Next Page button will have no affect.

Tube Distortion

The RP21D contains a real 12AX7 tube capable of creating a wide variety of clean and distorted tones. The flexibility of the distortions
created by the tube are entirely up to you, and the way you set the distortion up. To access the Tube Distortion module, press the Preamp
button until the Tube module is flashing. The display will look something like this:

The display is now telling you three things about the Tube Distortion parameters:

1. This is showing that the type of effect you are about to edit is Tube Distortion, and that the effect is on. The number 1 icon before the

word “on” indicates that in order to access the on/off parameter, you must press the number 1 button. The status can then be changed by
rotating the Data Wheel.

2. This is the default setting for the Tube Distortion. The Tube Distortion default shown here is factory default 7 (F7)which is a Dirty
Distortion setting. The number 4 icon which precedes the F7 value, indicates that in order to access the default parameter, you must press
the number 4 button. The default can then be changed by rotating the Data Wheel. See page 22 for a complete list of defaults

3. The bottom corner of the display is showing that there are 2 pages of parameters associated with the Tube Distortion, and that you are on
the first of these two pages. The Next or Previous Page buttons can be used to access page 2 of the Tube Distortion parameters.

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RP21D User’s Guide Section Two - Editing Functions

Once you have accessed page 2 of the Tube Distortion, the display will look something like this:

The display it now telling you three more things about the Tube Distortion parameters.

1. This parameter is the Tube Distortion Type. There are four types of Tube Distortion to choose from including Warm Clean, Bright Clean,
Dirty Tube, and Saturated Tube. The number 2 icon is telling you that in order to access the Tube Distortion Type, you must press the
number 2 button. You can then select the Type of Tube Distortion by rotating the Data Wheel.

2. This is the Tube Distortion Gain parameter. The Gain is the amount of distorion and is adjustable from 0 to 100. The number 4 icon is
telling you that in order to access the Gain parameter, you must press the number 4 button. You can then change the Tube Distortion Gain
value by rotating the Data Wheel.

3. This section of the display is telling you that you are on page 2 of 2. There are no more pages of parameters to display. Pressing the Next
Page button will wrap around to page 1 of 2.

Saving a Distortion Default

If you made any changes to the Tube Distortion parameters, you can save your changes to a user default for the Tube Distortion. This will
allow you to quickly recall all of these Distortion settings when creating another Program just by choosing the user default. To save your
Tube Distortion settings to a user default, you will have to return to page 1 of 2, and the display will look something like this:

The number 3 icon is telling you that in order to store your Tube Distortion settings to a default, you must press the number 3 button. Once
you press the number 3 button, the RP21D will take you into a naming menu to give your Tube Distortion default setting a custom name. See
page 21 for more information on naming functions.

NOTE: The Store option for saving a Tube Distortion default will not appear if you did not make any changes to the Tube Distortion
parameters.

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RP21D User’s Guide Section Two - Editing Functions

Solid State Distortion

In addition to the Tube Distortion, the RP21D also includes a solid state Distortion. Both the tube and solid state Distortions may be run
simultaneously or separately. Each Distortion has a separate 10 band Equalizer. To access the solid state Distortion module, press the
Preamp button until the Dist module is flashing. The display will look something like this:

The display is now telling you three things about the Distortion parameters:

1. This is showing that the type of effect you are about to edit is Distortion, and that the effect is on. The number 1 icon before the word

“on” indicates that in order to access the on/off parameter, you must press the number 1 button. The status can then be changed by
rotating the Data Wheel.

2. This is the default setting for the Distortion. The Distortion default shown here is factory default 4 (F4)which is a Low Fuzz Distortion
setting. The number 4 icon which precedes the F4 value, indicates that in order to access the default parameter, you must press the
number 4 button. The default can then be changed by rotating the Data Wheel. See page 22 for a complete list of defaults.

3. The bottom corner of the display is showing that there are 2 pages of parameters associated with the Distortion, and that you are on the
first of these two pages. The Next or Previous Page buttons can be used to access page 2 of the Distortion parameters.

Once you have accessed page 2 of the Distortion, the display will look something like this:

The display it now telling you three more things about the Tube Distortion parameters.

1. This parameter is the Distortion Type. There are four types of Distortion including Grunge, Fuzz,Overdrive, and Heavy Sustain. The number
2 icon is telling you that in order to access the Distortion Type, you must press the number 2 button. You can then select the Type of
Distortion by rotating the Data Wheel.

2. This is the Distortion Gain parameter. The Gain is the amount of distortion and is adjustable from 0 to 100. The number 4 icon is telling
you that in order to access the Gain parameter, you must press the number 4 button. You can then change the Distortion Gain value by
rotating the Data Wheel.

3. This section of the display is telling you that you are on page 2 of 2. There are no more pages of parameters to display. Pressing the Next
Page button will wrap around to page 1 of 2.

If you made any changes to the Distortion parameters, you can save your changes to a user default for the Distortion. This will allow you to
quickly recall all of these Distortion settings when creating another Program just by choosing the user default. See the previous section for
instructions on saving a Distortion default .

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RP21D User’s Guide Section Two - Editing Functions

10 Band Graphic Equalizer

The RP21D includes two 10 band Graphic Equalizers in the preamp section, one for each of the distortion paths. To access either one of the
Graphic Equalizer modules, press the Preamp button until the desired EQ module is flashing. The display will look something like this:

The display is now telling you three things about the Graphic EQ module:

1. This is showing that the type of effect you are about to edit is the 10 Band Graphic EQ, and that the effect is on. The number 1 icon before

the word “on” indicates that in order to access the on/off parameter, you must press the number 1 button. The status can then be
changed by rotating the Data Wheel.

2. This is the default setting for the Graphic EQ. The default shown here is factory default 10 (F10)which is a Punch setting. The number 4
icon which precedes the F10 value, indicates that in order to access the default parameter, you must press the number 4 button. The
default can then be changed by rotating the Data Wheel.See page 22 for a complete list of defaults.

3. The bottom corner of the display is showing that there are 5 pages of parameters associated with the Graphic EQ, and that you are on the
first of these five pages. The Next button can be used to access page 2 of the Graphic EQ parameters.

Once you have accessed page 2 of the Graphic EQ, the display will look something like this:

The display it now telling you three more things about the Graphic EQ parameters.

1. This parameter is the volume Level of the Graphic EQ. The number 1 icon is telling you that in order to access the Graphic EQ Level, you
must press the number 1 button. You can then adjust the Level by rotating the Data Wheel.

2. This is the Phase parameter of the Graphic EQ. The phase options are in phase and 180 degrees out of phase. The number 3 icon is
telling you that in order to access the Phase parameter, you must press the number 3 button. You can then change the Phase by rotating
the Data Wheel.

3. This section of the display is telling you that there are 5 pages of EQ parameters, and that you are currently on the second page. Pressing
the Next Page button will advance you to the third page of EQ parameters.

Pages 3, 4, and 5 of the Graphic EQ are all similar, each displaying the center frequencies available. Pages 3, 4, and 5 will look something
like this:

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GATE

SEAMLESS

BANK

EQDIST



12

3

16

RP21D User’s Guide Section Two - Editing Functions