DigiTech QUAD 400 User Manual

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MIDI

System Exclusive

Documentation

DDIIII

Wednesday, May 8, 1996

Manual Version 1.0

Digitech Studio Quad & 400 SysEx

DigiTech Studio Quad & 400 SysEx

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

MIDI Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

General Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Request One Program - 01(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Receive One Program - 42(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Request Bulk Dump - 49(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Receive Bulk Dump - 57(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Request Utilities Settings - 11(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Receive Utilities Settings - 12(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Request Input Level Settings - 13(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Receive Input Level Settings - 14(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Request Parameter Value - 17(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Receive Parameter Value - 18(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Request All Current Parameter Values - 23(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Receive All Current Parameter Values - 24(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Request Module Configuration-25(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Respond Module Configuration-26(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Receive Key Scan Code - 54(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Receive Hold Key Scan Code - 55(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Respond Key Accepted - 56(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Select Program - 1F(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Reset Program - 20(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Reset Device - 21(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Reset Factory Settings - 22(h). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Key Scan Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Misc Information and References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table of Contents

DigiTech Studio Quad & 400 SysEx

Introduction

This publication has been created to document the different types of MIDI System Exclusive control available in DigiTech MIDI Studio Quad and Studio 400 products. MIDI System Exclusive communication allows a user to control a device directly through MIDI in a very powerful and flexible manner. Much care has gone into creating and testing this documentation but DigiTech can not guarantee 100% accuracy, nor can DigiTech be held responsible for presets and data lost in a product from System Exclusive Information use.

A working knowledge of the MIDI Version 1.0 Detailed Specification can be useful while implementing any manufacturer's SysEx commands. For a copy of the MIDI spec contact:

MIDI Manufacturers Association 5316 West 57th Street Los Angeles, California 90056 USA (213) 649-6434

It is a good practice to back up any user programs and/or user algorithms in the device before you begin to work with SysEx commands due to the fact that incorrect commands can produce unexpected results. Should you encounter any discrepancies between this documentation, and a DigiTech S-DISC™ MIDI, product please feel free to contact us at:

DOD Electronics Corp. Attn: Product Management Dept. 8760 South Sandy Parkway Sandy, Utah 84070 USA (801) 566-8800 http:///www.digitech.com

Introduction

Digitech Studio Quad & 400 SysEx

DigiTech Studio Quad & 400 SysEx

Basic MIDI Info

MIDI Channels

The Studio Quad and Studio 400 can be set so that they communicate on 1 of 16 discrete MIDI channels. Some devices may also be set up to ttansmit or receive information on all channels in an Omni mode or to none of the channels in a Disabled mode. Please refer to the Studio Quad and Studio 400’s user manuals for further information.

Program Changes

When the Studio Quad or Studio 400 is set to communicate on one or all of the MIDI channels, it will recognize a Program Change command. If the number is legal (e.g. within the device’s range of selectable programs) the DigiTech device will respond by changing to the new program. MIDI sends Program Changes 0 through 127. DigiTech devices begin their program numbering with 1, thus Program Change 0 will select program 1. The Studio Quad and Studio 400 also allows the user to ‘re-map’ the Program Change commands so that Program Change 0 could call program 135, if so desired. Please refer to the Studio Quad and Studio 400 ’s user manuals for further information.

Continuous Controllers

A MIDI Continuous Controller may be ‘Linked’ to nearly any available parameter in the Studio Quad or Studio 400. CC links (Modifiers) and their ranges are treated uniquely in each program with the assignments being saved only if they are stored as part of the program. Please refer to the Studio Quad and Studio 400 ’s user manuals for further information.

Channel Pressure

DigiTech products treat Channel Pressure as simply another type of Continuous Controller which can be linked to parameters for control.

Pitch Bend

Pitch Bend information is a higher resolution controller that is not supported in DigiTech products, due to the density of the information and the resources needed to process it properly. Many MIDI control products offer the ability to map Pitch Bend to normal Continuous Controllers if a user wanted to control a parameter with a device such as a Pitch Bend Wheel.

DigiTech Studio Quad & 400 SysEx

The general format for the System Exclusive information is as follows (note: all SysEx values are displayed in Hexadecimal format, along with this symbol (h) for clarification):

Hex Value

Definition

F0(h) System Exclusive ‘Begin Message’ byte 00(h), 00(h), 10(h) Manufacturer’s ID Number (DOD/DigiTech)

0n(h) n = Unit’s Device or SysEx Channel number (minus one)

e.g. 00(h) is device or SysEx Ch 1

01(h) is device or SysEx Ch 2 etc... 0F(h) is device or SysEx Ch 16

dd dd = device ID number 46(h) identifies the Studio Quad

47(h) identifies the Studio 400

pp pp = Procedure number. The different procedure’s names and general formats

are described in the Procedures Section (page 5).

dd(1)1, dd(1)2......dd(n)1, dd(n)

dd = Data as needed by procedures. Since the standard MMA MIDI Specification

reserves 80(h) through FF(h) (decimal numbers 128 through 255) for specific commands, a split byte format is adopted for all data communication in this SysEx implementation. dd(n)2denotes the 1st through 7th bits of the n

byte and dd(n)

denotes th 8th bit of the nthbyte. Note: All data that is requested or received, is in split byte format unless noted otherwise.

F7(h) System Exclusive ‘End Message’ byte

General SysEx Format

Digitech Studio Quad & 400 SysEx

DigiTech Studio Quad & 400 SysEx

In the following section, SYS_HEAD refers to a valid System Exclusive header. The System Exclusive header starts with the System Exclusive status byte, and includes all bytes through the DigiTech device type. F7(h) is the System Exclusive ‘Message End’ byte. All SysEx numbers in the format definition of each procedure are given as hexadecimal values, along with this symbol (h) for clarification. Binary numbers are identified with this symbol (b).

REQUEST ONE PROGRAM (01h)

SYS_HEAD, 01(h), yy1, yy2, zz1, zz2F7(h)

When yy = 00(h) . . . . . .User bank is selected

When yy = 01(h) . . . . . .Factory bank is selected

zz . . . . . . . . . . . . . . . . . .The Program number, 1-100 User (00-63(h)) or 1-191 Factory (00-BE(h))

When a Request One Program procedure is received, the Studio Quad or Studio 400 will respond with a

Receive One Program procedure.

RECEIVE ONE PROGRAM (42h)

SYS_HEAD 42(h), vv(1)1, vv(1)2, vv(2)1, vv(2)2, yy1, yy2, zz1, zz2, dd(1st)1,dd(1st)2, ... dd(nth)1, dd(nth)2, F7(h)

vv . . . . . . . . . . . . . . . . . .software version number

When yy = 00(h) . . . . .User bank is selected

When yy = 01(h) . . . . . . Factory bank is selected

zz . . . . . . . . . . . . . . . . . .The Program number, 1-100 (00-63h)

dd(n) . . . . . . . . . . . . . . . Program data

The Receive One Program procedure is used to load a program into the Studio Quad or Studio 400. The number of program bytes to be received (n) is different for each program. If the Studio Quad is sent a Receive One Program procedure where the program number is not a valid RAM destination, it will be ignored. For an example of the Studio Quad or Studio 400 Program Dump format, please see Misc Information (page 11).

REQUEST BULK DUMP (49h)

SYS_HEAD, 49(h), F7(h) When a Request Bulk Dump procedure is received, the Studio Quad or Studio 400 will respond with a

Receive Bulk Dump procedure.

Procedures

DigiTech Studio Quad & 400 SysEx

RECEIVE BULK DUMP (48h)

SYS_HEAD 48(h), dd(1st)1dd(1st)2, ... dd(nth)1, dd(nth)2, F7(h)

dd(n) . . . . . . . . . . . . . . . Bulk Dump Data

The Receive Bulk Dump procedure is used to load all User Programs into the Studio Quad or Studio

400. A software version number is imbedded in the data.

REQUEST UTILITIES SETTINGS (11h)

SYS_HEAD, 11(h), F7(h) When a Request Utilities Settings procedure is received, the Studio Quad or Studio 400 will respond

with a Receive Utilities Settings procedure.

RECEIVE UTILITIES SETTINGS (12h)

SYS_HEAD 12(h), vv(1)1, vv(1)2, vv(2)1, vv(2)2, cc1, cc2, nn1, nn2, pp1, pp2, pp1, pp2,

yy (1st)1,yy(1st)2, zz(1st)1,zz(1st)2... yy(128th)1,yy(128th)2, zz(128th)1,zz(128th)2, F7(h)

vv . . . . . . . . . . . . . . . . . .software version number

cc . . . . . . . . . . . . . . . . . .Screen Contrast (range = 00(h) ~ 07(h))

nn . . . . . . . . . . . . . . . . . .MIDI Merge On/Off (Studio 400 only)

pp . . . . . . . . . . . . . . . . . .Program Autoload (range = 00(h) ~ 01(h)

yy, zz . . . . . . . . . . . . . . . .Program Map Settings (MIDI Program changes 1 ~ 128 = map)

When yy = 00(h) . . . . . .User Bank is selected

When yy = 01(h) . . . . . .Factory Bank is selected

When yy = 02(h) . . . . . .and zz =00(h), Bypass toggle is selected

zz . . . . . . . . . . . . . . . . . . Program Number.

The Receive Utilities Settings procedure is used to load the Utilities settings into the Studio Quad or Studio 400.

REQUEST INPUT LEVEL SETTINGS (13h)

SYS_HEAD, 13(h), F7(h) When a Request Input Level Settings procedure is received, the Studio Quad or Studio 400 will respond

with a Receive Input Level Settings procedure.

Procedures

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