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VERSION 2
Features, Benefits, and Operation
© 2013, 2015 Decibel Eleven

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Summary of Contents for Decibel Eleven Switch Doctor

  • Page 1 VERSION 2 Features, Benefits, and Operation © 2013, 2015 Decibel Eleven...
  • Page 3: Table Of Contents

    Setup Mode.................17 Programming Presets............22 Factory Reset...............24 Specifications..............25 Declaration of Conformity Decibel Eleven declares that this product complies with the European Union Council Directives and Standards requirements for the Low Voltage Directive (2006/95/EC) and the EMC Directive (2004/108/EC). © 2013 Decibel Eleven...
  • Page 4: Introduction

    INTRODUCTION The Switch Doctor is a fully programmable MIDI control pedal which includes four relay true-bypass audio loops, and two switch control functions. It is designed to be a central control unit for switching amplifier and effect configurations. It features the ability to...
  • Page 5: Connections

    DC power jack, center negative connection. MIDI If using other MIDI devices, connect the MIDI OUT of the Switch Doctor to the MIDI IN of the first MIDI device using a 5-pin MIDI cable. Additional MIDI devices can be connected from the MIDI THRU or MIDI OUT of the first device.
  • Page 6 pedal input, and connect the pedal's output to the loop RETURN jack. One or more pedals may be connected in series within a pedal loop. It may be useful in some cases to combine similar types of pedals into a single loop, where only one of the pedals will be used at a time.
  • Page 7: Expression Pedal

    Expression Pedal An expression pedal can be used to send MIDI Continuous Controller data via the MIDI OUT jack. A standard passive expression pedal can be connected to the rear panel EXP. PEDAL jack using a standard stereo 1/4” cable (tip-ring-sleeve). It is also possible to use a volume pedal as an expression pedal by connecting with a standard “insert”...
  • Page 8: Rear Panel Diagram

    REAR PANEL DIAGRAM...
  • Page 9: Example Connection Diagrams

    CONNECTION EXAMPLES Fig. 1 – Basic setup with amp channel switching and MIDI expression pedal Fig.2 - Expanded setup with optional multiple pedals per loop and MIDI amp control...
  • Page 10 2 MIDI Expression pedals. The first unit is set to Preset Mode for selecting presets, and the synced second unit is set to Direct Mode for instant access to all of it's loops and switches. For even greater flexibility and control, this type of setup can also be created using a Decibel Eleven Pedal Palette as the second synced unit.
  • Page 11 CONNECTION EXAMPLES (CONT'D) Fig.4 - Expanded setup using Switch Doctors with DB11 Loop Expander. This setup is capable of 8 pedal loops and 2 control function switches (or 6 pedal loops and 4 control function switches), 3 MIDI Program Changes, 8 MIDI Control or Note messages, and 1 MIDI Expression pedals. The Loop Expander is completely controlled through the Switch Dr. interface and transparently adds another 4 loops to the Switch Dr.
  • Page 12: Top Panel Controls

    TOP PANEL CONTROLS...
  • Page 13: Operation Basics

    EDIT switch. Preset Mode When the Switch Doctor is powered up for the first time, it is in Preset Mode. The numeric display will read 01 and the blue preset LEDs will cycle from left to right.
  • Page 14 Preset Mode operation. Preset Data A Switch Doctor preset is capable of making multiple changes to your setup with a single button press. This can include all of the functions listed in the introduction section of this manual.
  • Page 15: Direct Mode

    selecting the preset (preset numbers will be displayed as flashing until selected). When the desired preset number is displayed, it can be selected and loaded by pressing the middle EDIT switch. In Split Mode, the middle LED strip is used exclusively to indicate the current status of the instant access switches on the bottom row.
  • Page 16: Pedal Bypass Loops

    MIDI CC or NOTE messages from Direct Mode, you can enable only loops and amp switches on one single page (see SETUP – d . Ty on page 21)] Saving instant access switches to a preset When in Direct Mode, all of the switch and loop states can easily be saved as a preset by pressing and holding the EDIT switch until the blue EDIT LED lights.
  • Page 17: Input Buffer

    - even when all your pedals are OFF. The Switch Doctor is a true bypass switcher, which means that, when all of the pedal loops are switched off, your guitar signal goes directly from the input jack to the output jack, bypassing all of the cables, connectors and pedals in the effect chain.* In order...
  • Page 18: Midi Expression Pedal

    The Switch Doctor can send up to three Program Changes on three different MIDI channels. (see SETUP MODE – Setup Functions on page 17) MIDI Continuous Controller Switches MIDI Continuous Controller messages are often used as ON/OFF type switches for toggling functions, loops, or effect blocks within a MIDI device.
  • Page 19: Setup Mode

    127 for program changes. Since most devices label their presets from 1 to 128, the Switch Doctor displays them as 1 to 128. The actual MIDI message sends as 0 to 127. Switch Dr. presets come factory default programmed with PC.1 enabled and set to send a unique MIDI Program Change number (000..127) for each preset.
  • Page 20 127 for program changes. Since most devices label their presets from 1 to 128, the Switch Doctor displays them as 1 to 128. The actual MIDI message sends as 0 to 127. Press the ► switch to view the current MIDI Channel for Program Change 3. Use the + / - switches to edit the current channel.
  • Page 21 (MIDI Program Change Receive) This is the setting for syncing to incoming MIDI Program Changes. When a MIDI Program Change message is received on this channel, the Switch Doctor will respond by recalling one of the 128 presets. Press the ► switch to view the current MIDI Channel. Use the + / - switches to edit the current channel.
  • Page 22 001 – 128 in the numeric display. This can be useful when using the Switch Doctor as a simple MIDI controller since the preset number displayed is the same as the MIDI Program Change number transmitted* (when PC1 is enabled).
  • Page 23: Exiting Setup Mode

    Press the + switch to initialize the receiver. The display will flash In while it waits for incoming MIDI system exclusive data appropriate for the Switch Doctor. To cancel the input request, press the ▲ or ▼ switch. ddt (Data Dump Transmit) For transmitting a MIDI data dump of all of the memory (including presets and global settings).
  • Page 24: Programming Presets

    PROGRAMMING PRESETS While in Preset Mode, first select the preset to be programmed. Then, press and hold the EDIT switch until the blue EDIT LED lights. The display will show the first enabled function to be programmed. Use the ▲ and ▼ footswitches to step through the enabled functions to be programmed.
  • Page 25 CC.B (MIDI Control Changes B) - OR – NT.B (MIDI Note B) As MIDI CC messages: Use the bottom row switches 1,2,3,4 to set the ON or OFF states for each of the four controller switches assigned to Continuous Controller Switches B (CCB) in Setup Mode.
  • Page 26: Factory Reset

    FACTORY RESET To restore the Switch Doctor to it's factory default settings, first disconnect power to the unit. Next, hold down the – and + footswitches (2 & 3) simultaneously while connecting power to the unit. The display will scroll factory reset erase all, followed by: n y.
  • Page 27: Specifications

    SPECIFICATIONS Bypass method: Relay True Bypass or Analog Buffered. Function Switches: Latching or Momentary, Normally-Open or Normally-Closed Buffer Specifications: Type: Discrete Class A, JFET input Input Impedance: 1 MΩ Max. Input Level: +12 dBu Frequency Response: +0.0/-0.2 dB, 10 Hz - 100 kHz S/N Ratio: >96 dB, 0 dBV ref.

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