RJM MINI EFFECT GIMZO X User Manual
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RJM MINI EFFECT GIMZO X User Manual

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MINI EFFECT GIMZO X
User's Manual
®
RJM Music Technology, Inc.

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Summary of Contents for RJM MINI EFFECT GIMZO X

  • Page 1 MINI EFFECT GIMZO X User’s Manual ® RJM Music Technology, Inc.
  • Page 2 MINI EFFECT GIMZO X User’s Manual Version 1.0 August 1, 2021 RJM Music Technology, Inc. 2525 Pioneer Ave #1 Vista, CA 92081 E-mail: support@rjmmusic.com Web: www.rjmmusic.com...
  • Page 3 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Copyright © 2021 RJM Music Technology, Inc. All Rights Reserved. RJM and the RJM logo are registered trademarks of RJM Music Technology, Inc. Mini Effect Gizmo X and Mastermind are trademarks of RJM Music Technology, Inc.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION FRONT PANEL REAR PANEL CONNECTING MONO AND STEREO DEVICES Mono Connections Stereo Connections Mixing Mono And Stereo Effects Mono In, Stereo Out Effects SPECIAL FEATURES Audio Buffer Built-In Tuner Function Switches Fuzz Mode MIDI USAGE Program Changes Continuous Controllers Bank Selection Loop Order Selection...

  • Page 5: Introduction

    INTRODUCTION Thank you for purchasing the Mini Effect Gizmo X audio loop switcher! The Mini Effect Gizmo X (aka MEGX) is the latest version of our switching technology that we’ve been providing to musicians for over 15 years. The Mini Effect Gizmo X offers 6 stereo-capable loops with programmable loop order. We also include a stereo version of our acclaimed buffer circuit to help preserve your tone, and a TRS function switch jack that allows you to control analog features like amplifier channel switching or tap tempo on a pedal.

  • Page 6: Front Panel

    FRONT PANEL MINI EFFECT GIZMO RJM MUSIC TECHNOLOGY HOLD TO STORE LOOPS SWITCHES BUFFER Loops 1 through 6 - These buttons turn audio loops 1 through 6 on and off. Each button lights up to indicate that the corresponding audio loop is active.

  • Page 7: Rear Panel

    REAR PANEL TUNE OUT SND1 SND2 SND3 SND4 SND5 SND6 FN SW MIDI OUT MIDI IN 9VDC 200mA RTN1 RTN2 RTN3 RTN4 RTN5 RTN6 Tune Out - This output is designed to connect to an external tuner. The output is driven by the internal buffer, before it goes through any of the loops.
  • Page 8 supply to the MEGX for normal operation. It’s safe to connect both USB and a DC power supply to the MEGX at the same time. Power – This unit requires power supply of 9 to 12 volts DC. The plug should be a 5.5mm/2.1mm barrel connector, similar to those used in most effects pedals.

  • Page 9: Connecting Mono And Stereo Devices

    CONNECTING MONO AND STEREO DEVICES The Mini Effect Gizmo X is capable of switching mono or stereo effects. Its input, output and loops can be all mono, all stereo or a combination thereof. The only audio feature of the MEGX that’s always mono is the tuner output.

  • Page 10: Mono In, Stereo Out Effects

    • If a stereo loop is followed by a mono loop, the left side of the stereo signal is sent to the mono loop. Typically, you would put all of your mono effects before the stereo effects so that the stereo image is never lost.

  • Page 11: Special Features

    SPECIAL FEATURES AUDIO BUFFER Using long cables or many effects may degrade the guitar signal, causing it to lose clarity and definition. The audio buffer is used to “strengthen” the guitar signal and preserve sound quality. The effect may vary from subtle to significant, depending on the length and quality of cables and type of effects used in your rig.

  • Page 12: Fuzz Mode

    Custom cable - it’s possible to make adapter cables that adapt from the MEGX’s function switch jack to the proprietary footswitch jack on certain amps. Custom cable builders like Best-tronics are able to make these cables. The default settings for each switch are latching and normal (non-inverted). These settings will work with the majority of amps.

  • Page 13: Midi Usage

    MIDI USAGE PROGRAM CHANGES The Mini Effect Gizmo X can receive MIDI messages from any MIDI controller. You can store different switch settings for MIDI program numbers 0 through 127 in MIDI banks 0 through 7, for a total of 1024 presets.

  • Page 14: Continuous Controllers

    CONTINUOUS CONTROLLERS In addition to supporting MIDI Program Change messages, the Mini Effect Gizmo X supports MIDI Continuous Controller messages. The following Continuous Controllers are supported by default: Continuous Controller Value Function 0…63 Loop 1 off CC80 64…127 Loop 1 on 0…63 Loop 2 off...

  • Page 15: Bank Selection

    Note 1: Loops 7-12 only available when using the Split Mono feature Any of these CC number assignments can be changed using the Mini Effect Gizmo X editor. BANK SELECTION MIDI only allows for 128 unique program numbers. To get around this limitation, MIDI banks are used. To select a preset beyond the 128 limit, you first send a bank select message, then a program change.
  • Page 16 If not all loops are specified, they will automatically be added to the end of the loop order, in numerical order. For example, if you send: F0 00 01 5B 15 23 00 04 02 F7 The resulting loop order would be 4, 2, 1, 3, 5, 6, 7, 8, 9, 10, 11, 12 As you can see, the loop order always contains all 12 possible loops (see the Split Mono Mode section...

  • Page 17: Setup Mode

    SETUP MODE Setup mode allows you to do some basic configuration of the Mini Effect Gizmo X with no computer required. To access all of the configuration options, the Mini Effect Gizmo X editor is also available. SELECTING MIDI CHANNEL Configuring the MIDI channel is a very important first step in setting up the Mini Effect Gizmo X.

  • Page 18: Function Switch Invert

    FUNCTION SWITCH INVERT When controlling devices using a function switch, you may find that the thing you’re controlling is turned on when the function switch LED is off, and vice-versa, If this is the case, you can invert the function switch to fix the situation.

  • Page 19: Fuzz Mode

    FUZZ MODE Fuzz Mode lets you specify that certain loops contain pedals that don’t work well with buffers, so that the Mini Effect Gizmo X can disable the buffer when the pedal is active and the buffer would interfere with its operation.

  • Page 20: Connecting To A Computer Or Tablet

    CONNECTING TO A COMPUTER OR TABLET The Mini Effect Gizmo X’s USB-C port allows you to connect it to a variety of devices. It’s a class compliant MIDI device, meaning that it will work on most computers and tablets without the need to install any driver software.

  • Page 21: Example Wiring Diagrams

    EXAMPLE WIRING DIAGRAMS...

  • Page 25: Advanced Feature: Split Mono Mode

    ADVANCED FEATURE: SPLIT MONO MODE The Mini Effect Gizmo X has the ability to split its stereo loops so that instead of left and right sides, the loops are divided into two separate mono loops. This can give you up to 12 mono loops. This is considered an advanced configuration, because it requires extra care in cabling and setup.

  • Page 26: Specifications

    SPECIFICATIONS 9.25 (W) x 4 (D) x 1.7 (H) inches Dimensions 23.5 (W) x 10.2 (D) x 4.3 (H) cm Weight 1.3 lb 0.6 kg 9 Volts DC or AC @ 200mA (either polarity) Power 5.5mm OD, 2.1mm ID x 9.5mm barrel connector (BOSS-style) 9VDC, 800mA maximum current when using provided AC Phantom Power adaptor...

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