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General| Type | MIDI Foot Controller |
|---|---|
| Number of Switches | 10 |
| Expression Pedal Inputs | 4 |
| USB | Yes |
| Display | LCD |
| Power Supply | 9V DC |
| MIDI I/O | In, Out, Thru |
| Footswitches | 10 programmable footswitches |
Details the main display, button displays, soft buttons, and footswitches on the Mastermind GT.
Explains connections for Expression Pedals, USB ports, and External Switches on the left side.
Details Remote In, MIDI Out, Accessory Power Out, Power Input, and XLR connectors.
Describes how presets are organized into banks and how to navigate them.
Details the function of Instant Access (IA) buttons for controlling specific effects or features.
Explains how to navigate button pages, use IA Store, and activate IA Mode for expanded control.
Guides on selecting device manufacturers and models from the database or using the Generic setting.
Details essential device parameters like MIDI channel, default buttons, and preset name retrieval.
Explains how to retrieve preset names from an effect processor to use on the Mastermind GT.
Details the MIDI cable connections, including single cable and phantom power options.
Outlines the steps to configure the Mastermind GT for the Axe-Fx, including device selection and button setup.
Explains how to select presets, use IA buttons, Tuner, and Tempo features with the Axe-Fx.
Provides steps to diagnose and resolve communication problems between the GT and Axe-Fx.
Describes how Slave Mode allows the GT to control effect block states on the Axe-Fx.
Details the process for enabling and configuring Slave Mode for the Axe-Fx.
Explains the MIDI cable connections and phantom power options for the KPA.
Guides on setting up the Mastermind GT for the KPA, including device selection and button configuration.
Describes using presets, IA buttons, Tuner, and Tempo with the KPA.
Addresses common communication problems between the GT and KPA.
Explains how Slave Mode allows the GT to control effect block states on the KPA.
Details the process for enabling and configuring Slave Mode for the KPA.
Explains MIDI cable and phantom power connections for RJM products.
Provides crucial notes and warnings regarding phantom power when connecting RJM products.
Details how to connect multiple RJM devices in a MIDI chain.
Outlines the setup process for RJM products, including device selection and MIDI channels.
Explains how to use the Swap Buttons function to rearrange button locations on the controller.
Describes how to copy a button's function to another location, creating identical controls.
Clarifies how preset buttons work and how their assignment differs from other buttons.
Guides on assigning specific device functions to buttons using the Assign Buttons menu.
Details how to edit individual actions assigned to buttons for fine-grained control.
Explains how to assign secondary functions to buttons when they are held down.
Describes how to configure IA buttons to cycle through multiple states with custom names and colors.
Allows editing the name of a preset for display on the buttons and main screen.
Enables assigning specific button pages to display when a preset is loaded.
Allows setting a specific tempo for each preset when MIDI clock is active.
Overrides global expression pedal and external switch settings for individual presets.
Enables a unique button page to be displayed when a specific preset is selected.
Allows up to 10 actions to be assigned to a preset, executing MIDI messages or system functions.
Stores the on/off state of IA buttons with each preset for automatic recall.
Sets Program Change messages sent to devices when a preset is selected.
Details how to edit Program Change and Bank numbers for specific devices within a preset.
Guides on creating and editing songs, which are groups of presets for specific song sections.
Explains how to select songs from a list and edit their names and assigned presets.
Guides on creating and editing setlists, which order songs for performances.
Explains how to select and activate a setlist for live performance use.
Details the SP1-RJM expression pedal, its toe switch, and LED features.
Guides on setting up expression pedals, including controller number, min/max values, and device assignment.
Explains the process of calibrating expression pedals for optimal performance.
Details how to assign continuous controller (CC) numbers and parameters to expression pedals.
Explains how to set a switch point for the expression pedal to trigger actions.
Describes how to group expression pedals to control different parameters with button presses.
Illustrates the wiring diagram for connecting external switches to the Mastermind GT.
Explains how MIDI bank and program numbers translate to presets when no setlist is active.
Details how MIDI messages select songs and presets in Song/Setlist Mode.
Explains MIDI message interpretation when setlists are active but bank messages don't control songs.
Describes how incoming CC messages can control Instant Access (IA) buttons.
Allows setting a persistent "go-to" preset accessible from any other preset.
Explains button types for accessing menus for pages, presets, songs, and setlists.
Allows direct input of a preset number to recall it.
Enables IA buttons to synchronize their states across different button pages.
Describes tap tempo functionality and MIDI clock synchronization as master or slave.
Explains how to create and use macros for predefined sequences of actions.
Loads saved settings from a USB flash drive into the system.
Saves the current system settings to a USB flash drive for backup.
Introduces the GT Editor software for easier parameter editing and backups.
Explains how to select buttons within various setup menus.
Details the text entry interface for editing names on GT/10 and GT/16 models.
Explains the number entry interface for editing values on GT/10 and GT/16 models.
Describes the keyboard interface for text and number entry on the GT/22 model.
Details the use of special characters like backslash and carat for button naming.
Allows setting the currently visible button page for easier navigation.
Enables Song and Setlist Mode and selects the active setlist or all songs.
Navigates to the menu for defining and configuring connected MIDI devices.
Navigates to the menu for editing button types, names, and actions.
Navigates to the menu for setting parameters specific to each button page.
Navigates to the menu for editing preset names, actions, and MIDI messages.
Navigates to the menu for configuring MIDI input and output parameters.
Navigates to the menu for system maintenance and low-level parameter configuration.
Navigates to the menu for adjusting display brightness and contrast.
Allows configuring button groups for exclusive activation.
Enables editing parameters for connected external switches.
Navigates to the menu for configuring expression pedal behavior.
Facilitates copying a button's configuration to another location.
Allows swapping the positions of two buttons on the controller.
Limits the number of button pages accessible via page navigation.
Configures the action taken when a preset button is pressed a second time.
Allows the definition of custom System Exclusive (SysEx) messages.
Provides access to the menu for creating and editing macros.
Sets the display color for IA buttons that are not present in the current preset.
Configures how expression pedals can be grouped to control multiple parameters.
Determines if the first preset is indexed as 0 or 1 to match effect processors.
Controls whether the name of the current button page is displayed on the main screen.
Reverses the display order of menu items on the screen.
Makes the song name occupy the entire main display when enabled.
Sets the time in milliseconds required to activate a button's hold function.
Automatically changes the button page when a new preset is selected.
Automatically switches presets when bank buttons are used, loading the selected preset.
Shows the button page associated with the first preset in a bank as you navigate banks.
Configures the Mastermind GT to start on the last used preset upon power-up.
Loads saved settings from a USB flash drive into the system.
Saves the current system settings to a USB flash drive for backup.
Resets all preset names to their default values.
Resets all expression pedal groupings to their default settings.
Displays firmware versions and the electronic serial number.
Displays detailed error messages for system debugging.
Verifies the proper operation of the Mastermind GT.
Forces firmware updates for the button microprocessors.
Restores all settings to their factory default values.
Details the parameters within the Edit Device Menu, including Type, Name, MIDI Ch, and Assign Buttons.
Sets up a page of instant access buttons for controlling a specific device.
Configures expression pedals to control common features of a device.
Copies preset names from a connected device to the Mastermind GT.
Automatically reads preset and bank names from devices in real time.
Specifies the MIDI port (MIDI Out, Remote In, USB) used for device communication.
Adjusts the starting preset number to match the connected effect processor.
Limits the maximum Program Change number sent to a device.
Configures the type of MIDI bank messages the device accepts.
Limits the maximum bank number a device can accept.
Initializes PC messages for all presets for a specific device.
Controls whether CC messages are sent when presets change or IA buttons are pressed.
Controls whether Program Change messages are sent to the device.
Prevents sending the same PC message twice in a row to avoid audio issues.
Ignores incoming Program Change messages from a device.
Ignores incoming Continuous Controller messages from a device.
Removes a defined device from the Mastermind GT's system.
Assigns MIDI controllable functions of a device to buttons on the Mastermind GT.
Allows editing button type, name, color, and actions.
Scrolls through presets for a specific device without affecting others.
Configures a button as a general-purpose button executing button actions.
Activates or deactivates IA Mode, revealing IA buttons underneath other buttons.
Selects the next page or stores the current IA state to a preset.
Displays a menu of all available pages for quick selection.
Shifts the function of expression pedals within their assigned groups.
Displays a menu of all presets for quick selection.
Allows direct input of a preset number to recall it.
Sets a button to appear on every button page, regardless of current selection.
Sets the name displayed for a button in normal mode.
Determines the order in which presets are assigned to buttons within a bank.
Limits the range of pages accessible by page navigation buttons.
Configures the color of a button when it is on or off in normal mode.
Sets the name and color for buttons when they are in Instant Access mode.
Sets the display color for IA buttons when they are off in IA mode.
Groups IA buttons so only one can be active at a time.
Enables an IA button to cycle through multiple states (up to four).
Links IA buttons with the same first action to synchronize their states.
Allows incoming CC messages to control IA buttons based on their action list.
Controls whether a button sends its messages when a preset changes.
Allows a button to update its state automatically when a new preset is selected.
Designates buttons as tap tempo buttons that flash with the current tempo.
Configures a button to be momentary (on when pressed, off when released).
Ensures messages are sent only when a button is turned on by a preset.
Sets names and colors for each step in an IA button's cycle.
Selects the type of action to perform (CC, Note, PC, System, etc.).
Sets continuous controller number, on value, and off value for CC actions.
Sets program number for Program Change actions.
Sets note number and velocity for Note actions.
Defines Sysex messages to be sent for IA buttons or presets.
Sets system-level functions, like changing pages or modes.
Allows IA Mode to be turned on or off as a button action.
Allows macros to be executed as a button action.
Makes the Mastermind GT switch to a specific button page when pressed.
Recalls a particular preset when the associated button action is triggered.
Turns on the tuner display when the button action is selected.
Chooses a continuous controller from a list of functions for a device.
Sets parameters specific to each button page, like naming.
Defines preset-specific MIDI messages, names, and button page assignments.
Overrides global expression pedal settings for a specific preset.
Overrides global external switch settings for a specific preset.
Enables a custom button page to be displayed when a preset is selected.
Edits the actions assigned to a preset, similar to button actions.
Copies the current preset to a new location.
Details menu options for expression pedals, including Override, Name, SndOnPrst, Switch Grp, Calibrate, Device, CC Number.
Sets the minimum and maximum values sent by the expression pedal.
Assigns continuous controller functions to expression pedals.
Saves the current pedal position as a switch point for triggering actions.
Edits actions triggered by the expression pedal's switch position.
Sets options for button groups, such as send off messages and allow off.
Configures MIDI reception channel, bank/song behavior, and bidirectional MIDI.
Enables synchronized operation of multiple Mastermind GT units.
Merges received MIDI messages and retransmits them through the MIDI Out port.
Sets the Mastermind GT as a MIDI clock master or slave, or disables it.
Allows definition and editing of custom SysEx messages.
Allows editing of macros, including their name, force state, and actions.
Provides the physical dimensions for different Mastermind GT models.
Lists the weight for different Mastermind GT models.
Details the power input voltage and current specifications for the GT.
Outlines phantom power acceptance and important notes.
Details the voltage and current provided by the accessory power output jacks.
Describes the 6-pin XLR MIDI connectors and their pinouts for the GT/22.
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