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Alesis D4/D5 Drum Modules Service Manual ii. 02/19/ PREFACE. This document is intended to assist the service technician in the operation. ALESIS D4 Reference Manual CHAPTER 1 – INTRODUCTION 51 CHAPTER 1: INTRODUCTION Thank you for purchasing the Alesis D4 Drum Sound. 00 10/17/95 Alesis D4/D5 Drum Modules Service Manual i 02/19/03 PREFACE This document is intended to assist the service technician in the operation.

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This chart simulates the waveform of a snare drum hit.

A chart of actual part designations appears below the trigger input circuit on the schematic. If the root note is changed from 36 to 35, then all notes will be triggered by a note one value lower than the existing assignment — e.

Trigger note assignments are recalled as part of a Drum Set whenever a new set is selected.

Using the Group function section 3. To enter All Test mode: Reproduction in whole or in part in any form or medium without express written permission from Sonic State is prohibited. If you cancel the recall operation by pressing one of the eight Function buttons, any Drum Set you recalled will remain in the edit buffer but Drum Sets will remain unchanged.

U30 does the actual decoding of the bit pair, providing the single Chip Enable needed to access the desired sample. Pressure Indicates the pressure applied to a keyboard after pressing a key.

Alesis D4 Quick Setup Manual

Most of the trigger manufacturers supply several pieces of mounting tape with their laesis products. While listening to the main outs, adjust the DAC trimpot for minimum distortion. Note that when the examines the states of the trigger inputs, it doesn’t use a specific amplitude to trigger on, rather it looks for a large change in amplitude over a short period of time.


Continuous Controller Footpedals, breath controllers, and modulation wheels can vary sounds as you play, thus adding expressiveness.

Alesis D4 Manuals

J2 or J1 header backwards up to rev Bs. These are Global settings that apply to all Drum Sets. Suppose three drum pads are mounted on a single drum stand while set up on a noisy stage. This data can be understood by MIDI-compatible computers and computer-based musical instruments. The first page is the Drum Set Root Note screen, which says: Note Off Corresponds to a key being released; values are the same as note on.

Full text of “Alesis D4 Service Manual”

Each click of the knob will call up a new drum sound, until you reach either the highest- or lowest-numbered sound within the Bank. Rotate the Data knob and select the note to which you want to assign a alesia drum sound.

In keeping potential problems to a minimum, it is always a good idea to try to keep some distance between your pad or drum kit, and nearby speaker cabinets especially bass cabinets. It starts with the Main Left channel. Use the Data wheel to select the desired Drum Set.

Saving to a Drum Set overwrites any existing data in that Drum Set.

With certain pads it may not be necessary to adjust this parameter. If both MSB and LSB messages have not allesis sent, any data entry, data increment, or data decrement messages will alter the parameter selected by the user as indicated by the cursor position in the display. There are Program Change command numbers. Big aoesis There are two ways to select the drum sound to be edited or previewed: If it isn’t assigned already, assign an open hi hat sound to the note triggered by Trigger Input 1.


Alesis D4 Manuals

This should make it possible to lower the XTALK value, which will allow the pad sensitivity to increase. Plug the left Main output into the left channel of your amp or mixerand the right Main output into the right channel.

The gain is the most important parameter in the D4. Not only do the type and size of drum make a big difference, but things such as; if the drum is single or double headed, the tension of the head sthe muffling, and the trigger placement all play very important roles in getting good results and proper “tracking” of your play.

A higher value adjustment equals greater suppression of the signal, a lower value equals less suppression. If possible, make two backups, and store the second backup in a different physical location from the primary backup.