Summary of Contents for Lekholm DM48
- Page 1 DM48 DIGITAL CHROMATIC HARMONICA USER MANUAL Revision J covering firmware version 1.16 © 2017 Lekholm Instruments AB...
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Page 2: Table Of Contents
Contents Important general notes ......................3 Introduction ..........................4 Overview of the DM48 ........................4 Important notes on MIDI and wind instruments ..............4 Software settings and functions ..................6 Quick start guide ........................... 6 Changing and restoring default settings ................... 6 Adjustable parameters ........................ -
Page 3: Important General Notes
Please read these notes carefully before using the DM48 chromatic harmonica MIDI controller. • The DM48 it designed to be played in the same pressure range as a fine acoustic chromatic harmonica. When properly setup, it should respond swiftly to gentle blowing force. While the pressure sensors are rated to... -
Page 4: Introduction
USB MIDI” standard) and power. The supplied USB cable allows the DM48 to be connected to a Mac or PC, and using a suitable converter such as the Apple Lightning to USB adapter, it can also be connected to portable devices such as iPads/iPhones. - Page 5 When two notes are triggered and one of them is released, this may cause the second one to go silent, too. By default, the DM48 is therefore set to block double triggering of the same note. This is controlled by Double notes parameter (see below).
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Page 6: Software Settings And Functions
By connecting the USB cable, the DM48 should immediately become selectable as an input MIDI device in your favorite music software without any special drivers. The default settings on the DM48 give a good starting point and few changes should be needed for an initial setup. Parameters will return to default as soon as you turn it off and on again, so there is no need to be afraid to explore different settings. -
Page 7: Sensitivity
Although undocumented in the menu graphics, the right arrow will act as an extra slider button (see 3rd slider intv below) when this mode is active. Modltn trig lvl The DM48 can send “modulation” MIDI CC messages (controller 1), which on... -
Page 8: Modltn Sens
2nd slider intv On the DM48, it is possible to use to use the arrow keys as a extra slider buttons (see 2nd/3rd slider below). This setting determines the interval, in semitones, by which the second slider (left arrow) will shift the current tuning. -
Page 9: 2Nd/3Rd Slider
MIDI file that can be shared with others. After selecting Receive tuning , the DM48 is ready to receive a tuning which will replace the current one. Simply choose DM48 as your output MIDI device in your sequencer and then play back a previously recorded tuning. -
Page 10: Midi Channel
Channel used for sending MIDI messages (normally 1 ). This setting also allows the DM48 to be set to multichannel mode . In this configuration, the holes will transmit MIDI data on different channels. The number of channels can be selected, with for example Multich. -
Page 11: Firmware Version Check
button for two seconds to store the current settings as a preset in the currently selected slot. Note that Settings A/std is always loaded at startup. Stored settings are recalled immediately when selected on this menu page, and corresponding tunings will also be loaded. Additionally, MIDI program change messages will be sent in cases when loading a preset causes this parameter to change. -
Page 12: Setup Examples And Guidelines
(song loading disabled, but otherwise full functionality at no cost) it is a bargain at $13. These instruments expect MIDI CC no. on the DM48 to be set to 2 (Breath). They do not correctly handle double triggering of the same note, meaning that Double notes should be set to Block (see General notes in MIDI and wind instruments above). -
Page 13: Multichannel Setup In Reason
However, this may put a lot of load on the computer, in addition to being more time consuming to set up. 1. Set MIDI channel on the DM48 to Multich. 1-4 . The holes will now transmit data on four different MIDI channels. -
Page 14: Untethered Playing Using A Smartphone
(see https://www.tobias-erichsen.de/software/rtpmidi.html). The approach described here is thus not a feature of the DM48 per se , but it becomes very useful with a small handheld instrument. -
Page 15: Lid Removal And Breathing Resistance Adjustment
Lid removal and breathing resistance adjustment The breathing resistance can be adjusted individually for each hole by means of 12 screws inside the DM48. By adjusting these screws, one can mimic the uneven resistance pattern encountered on a regular harmonica (less resistance on the lower holes).
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