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General| Brand | DigiTech |
|---|---|
| Model | GSP-21 |
| Category | Music Pedal |
| Language | English |
Essential safety guidelines for operating the GSP-21, covering voltage, water, and electrical storms.
Steps for installing, powering, connecting cables, and setting up the GSP-21 for initial use.
Guidance on adjusting input/output levels and selecting programs to start using the GSP-21.
Detailed explanation of the GSP-21's front panel buttons, displays, and LEDs for operation.
How to adjust input and output signal levels using the front panel controls.
Description of all input/output jacks and connectors on the GSP-21's rear panel.
Details on MIDI IN/OUT/THRU ports and the fuse for connectivity.
How to connect instruments and amplifiers directly to the GSP-21 for mono or stereo output.
Configurations for using the GSP-21 within external effects loops.
How to navigate, select, and modify programs on the GSP-21.
Explanation of effect configurations and how they are selected and modified.
How to adjust individual effect parameters within a program.
Instructions for editing and saving program titles.
Procedures for saving new programs and handling accidental store operations.
How to discard unsaved program modifications and return to editing mode.
Detailed steps for changing program names using the TITLE button.
Using the COMPARE function to listen to original vs. edited program sounds.
How to access and navigate through the GSP-21's utility functions.
Options for selecting and configuring speaker simulation presets.
Setting the MIDI channel the GSP-21 listens to for incoming data.
Linking external MIDI program changes to GSP-21 programs.
Configuring the MIDI channel for outgoing data from the GSP-21.
Mapping GSP-21 programs to outgoing MIDI program changes.
Linking GSP-21 parameters to MIDI Continuous Controllers globally across all programs.
Setting up MIDI CC links that are specific to individual programs.
Utilities for sending all or single programs via MIDI.
Configuring the Foot Controller modes and assigning programs to patches.
Utility to reset all MIDI linkages, user programs, and footswitch patches.
Displaying software version and adjusting LCD contrast.
Overview of the foot controller's display and the bypass switch function.
Explanation of the Five Patch mode for accessing presets.
Explanation of the Ten Patch mode and its switch functions.
How to select programs using number input on the foot controller.
Description of the optional remote control's buttons and numerical program selection.
Introduction to reverberation effects and their parameters.
Details on Small Room, Large Room, Gated, Reverse, and Ultimate Reverb.
In-depth explanation of reverb parameters like Decay Time, Level, Diffusion, and Damping.
Explanation of Delay, Multi-Tap Delay, and their associated parameters.
Details on Chorus, Flanging, and their modulation parameters.
Flanger parameters and the function of the 7-band graphic equalizer.
Explanation of compression and its 'Compression Amount' parameter.
Description of Distortion, Rock Tube, Metal Tube, Overdrive, and Heavy Sustain types.
Explanation of Enhancer and Noise Gate effects and their parameters.
Guidelines for keeping the GSP-21 clean and checking connections.
Information on user-programmable memory battery and authorized repair services.
A list of acronyms and their full meanings used in the manual.
Information on GSP-21's compliance with FCC Class B digital device radio noise regulations.
Technical details including input/output levels, impedance, THD, SNR, dimensions, and weight.
Explanation of the ten programmable effects configurations and their creation.
Parameters for the first effect configuration (Compression, Distortion, EQ, Noise Gate, Enhancer).
Parameters for configuration 2, including Ultimate Reverb.
Parameters for configuration 3, featuring Gated Reverb and Mixer.
Parameters for configuration 4, including Reverse Reverb.
Parameters for configuration 5, including Chorus, Delay, and Reverb 1.
Parameters for configuration 6, including Flanger, Delay, and Reverb 1.
Parameters for configuration 7, including Chorus, Delay, and Reverb 2.
Parameters for configuration 8, including Flanger, Delay, and Reverb 2.
Parameters for configuration 9, including Chorus, 4-Tap Delay, and Mixer.
Parameters for configuration 10, including Flanger, 4-Tap Delay, and Mixer.
Blank sheets for users to record custom program configurations and titles.
Information or list of preset programs available from the factory.
A comprehensive list of MIDI controller numbers and their associated functions.
Explanation of the proprietary data transfer format used by DOD/DigiTech devices.
Details on the general structure and specific formats for GSP-21 data transfer.
Definitions of key terms and specific data formats for GSP-21 microcode and program dumps.
Procedures for requesting and downloading user programs via MIDI.
A chart detailing transmitted and recognized MIDI functions and system messages.
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