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General| Type | Drum Sound Module |
|---|---|
| Polyphony | 16 voices |
| Trigger Inputs | 12 |
| MIDI | In, Out, Thru |
| Outputs | Headphone |
| Dimensions | 19" |
| Effects | Reverb |
| Inputs | Trigger inputs |
| Display | LED |
| Power Supply | 9V AC |
| Sounds | 500 |
Details the D4's core features including sound count, sample rate, trigger inputs, MIDI implementation, and output capabilities.
Procedure to ensure warranty is active and receive product updates.
Guide to connecting the D4, selecting Drum Sets, and auditioning sounds.
Explains fundamental concepts and terminology for using the D4.
Overview of the D4's front panel buttons, display, and controls.
Sets the lowest MIDI note (36-96) the D4 responds to, shifting assignments in parallel.
Configures D4 to Omni mode or a specific MIDI channel for data reception/transmission.
Selects if MIDI Out/Thru passes incoming data or acts solely as an output.
Activates or deactivates D4's response to Program Change commands for Drum Set selection.
Lists and explains MIDI controllers the D4 responds to, like Data Slider and Volume.
Creates a map for incoming Program Change numbers to specific D4 Drum Sets.
Backs up D4 data using System Exclusive format to external devices like DataDisk.
How D4 automatically loads compatible D4 System Exclusive data from MIDI In.
Details rack mounting for easy access to the Preview button and ventilation.
Instructions for connecting audio outputs to monitoring systems and headphones.
Connects MIDI source to D4 MIDI In and distributes signals via MIDI Out/Thru.
Connects non-MIDI pads and audio signals to D4 trigger inputs.
Guide for connecting the AC adapter, emphasizing using the supplied unit.
Step-by-step guide for powering on the D4 and monitoring system safely.
How to select and view Drum Sets using the Drum Set button and Data wheel.
Explains sound organization into Banks and how to audition them.
Assigns specific drum sounds to MIDI notes using Voice, Bank, and sound selection.
Defines a 'voice' as a sound-generating element with parameters like sound, tuning, volume, and panning.
Explains the temporary memory buffer for editing Drum Sets and its importance for changes.
Defines defaults as automatic settings and explains their use for saving time and convenience.
Describes the 5-octave MIDI note range (36-96) and the effect of the Root Note feature.
Details the eight Function buttons (Voice, Tune, Mix, etc.) for parameter editing.
Explains navigation and selection using cursor buttons on the LCD display.
Describes accessing additional parameter screens for functions like MIDI and Ext Trig.
How to use the Data wheel to change parameter values and the period indicator.
Function of Store for saving edits and Note Chase for selecting notes.
Function of the velocity-sensitive Preview button for auditioning sounds.
How to select and view Drum Sets using the Drum Set function button and Data wheel.
Steps to save edited Drum Sets, including naming and overwriting data.
Instructions to recall and load factory-programmed Drum Sets into memory.
Select drum notes for editing via cursor or Note Chase, triggering sounds.
Select drum sounds by Bank and sound number using the Voice button and Data wheel.
Adjust the pitch of a drum sound using the Tune button, with semitone or cent adjustments.
Adjust Volume and Pan parameters for a drum sound using the Mix button.
Assign a drum sound to Main or Aux stereo outputs using the Output button.
Select a Drum Set using the Drum Set button and Data wheel.
View Trigger input, characteristics, and associated note using the Ext Trig button.
Set drum sound Mode (Multi, Single, Group 1/2) to control voice stealing.
View the root note for the selected drumset using the MIDI button.
Copy Voice, Tune, Mix, Output, and Group parameters from one note to another.
Sets the lowest MIDI note (36-96) the D4 responds to, shifting assignments in parallel.
Configures D4 to Omni mode or a specific MIDI channel for data reception/transmission.
Selects if MIDI Out/Thru passes incoming data or acts solely as an output.
Activates or deactivates D4's response to Program Change commands for Drum Set selection.
Lists and explains MIDI controllers the D4 responds to, like Data Slider and Volume.
Creates a map for incoming Program Change numbers to specific D4 Drum Sets.
Backs up D4 data using System Exclusive format to external devices like DataDisk.
Step-by-step guide on saving D4 MIDI data to an Alesis DataDisk.
How D4 automatically loads compatible D4 System Exclusive data from MIDI In.
Step-by-step guide on loading D4 MIDI data from a DataDisk via MIDI.
Introduces five user-controllable trigger parameters: VCURVE, XTALK, DCAY, NOISE, and GAIN.
How to select one of the 12 input triggers for editing its parameters.
Assigns a MIDI note number to each trigger input, associated with a drum sound.
Adjusts trigger velocity sensitivity (VCURVE) for playing styles and pad variances.
Sets crosstalk, decay, and noise floor level for each trigger independently.
Adjusts XTALK parameter to resolve interaction or "crosstalk" problems between pads.
Adjusts DCAY level to prevent a pad from "double triggering" or emitting ghost notes.
Adjusts NOISE parameter to suppress false triggering from ambient noise or stage vibrations.
Sets GAIN parameter to adjust transducer signal strength for reliable triggering.
Selects footswitch function: Hi Hat Pedal or Drumset Advance.
Replicates realistic hi-hat effects using a footswitch and drum pad.
Introduction to MIDI, its history, and how it standardizes musical data.
Explains MIDI In/Out jacks and their functions for transmitting and receiving MIDI data.
Classifies MIDI messages into Channel (Voice, Mode) and System types.
Focuses on Voice messages like Note On/Off, Velocity, Pressure, and Program Change.
Explains MIDI Mode messages (Omni, Mono/Poly) and their implementation in the D4.
Describes System Common messages like Song Position Pointer, System Exclusive, and Timing Clock.
Lists recommended books for further information on MIDI topics.
Recommends a video for an overview of MIDI concepts and applications.
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