Orgautomatech MIDILECTOR S, MIDILECTOR SR User Manual

MIDILECTOR S & SR

Midi file reader / recorder on SD card

User manual (complete kit)

Introduction

Midilector S is a Midi file reader (and recorder for Midilector-SR) on SD card
intended to drive a midi decoder (as Midi_2org_64 for example). He can obviously
pilot any midi electronic instrument (piano, synthesizer, etc.)
It is delivered , without any case. It has been designed to be the most compact
possible and to be integrated into an organ panel or any other automatic music
instrument. The buyer is thus considered for having the technical knowledge
necessary for this.

Midilector is based on the Simon Lehmayr's open source project, Mr Midi:
www.mikrocontroler.net

Main features

• Play any standard midi files (format 0) from an SD Memory card. Files
may be organised into folders able to contain 255 songs each.

• Support any standard SD card from 128Mb up to 2 GO. A 128Mb card can
contain more than 2000 standard midifiles.

• Multi tracks 16 channel

• Board size: 116*52 mm

• 24*2 LCD screen with back light (optional button to switch off the light

and save battery).

• Tempo variations (+ or - 5%) while playing with 2 buttons

• Transpose while playing (+ or – semi-tone).

• Possibility of synchronisation: crank rotation can drive song start, tempo

and stop.

• Lyrics on screen when present in the file (Karaoke)

• Designed to be fitted into any musical instrument panel or case.

• Powered by any DC current 8 up to 18 volts

Midilector-SR is the version with recording capabilities. It comes with a second midi
socket for input midi datas, and a button for recording option.

Electric wiring

Very easy: + and – are marked on the boards. Don't worry, there is a polarity
protection. You can use either 9 volt battery or any DC power source from 8 up to
24 volts.
Here the way to link screen and main PCB :

You can adjust the contrast with the small potentiometer near the display connector.

Wire the keyboard this way only :

Midi wiring

Here is the right way to wire the Midi OUT external socket.

And the Midi IN external socket (Midilector SR)

The Midi sockets are to be fixed onto your instrument panel.
Wire a 5 pin DIN cable (midi standard) between your Midilector midi output and
your decoder board or electronic instrument MIDI IN socket
To record, you need to wire a midi cable between the Midi out of your Midi
keyboard or any other instrument and the Midi In of Midilector SR. There is no Midi
Thru, the entering datas are not displayed on Midi Out.

SD card preparation

Midilector S/SR arrives with a Sd card ready for use.
If you want to use another card (maxi 2 GO), you must first prepare it. On your
computer make sure it is formatted in FAT 16
One suppose the midi files has been adapted to your instrument. They must be saved
in format Midi 0. You can find on the internet freeware able to change any midi
format to another.
Transfer your files to the card. Just remember Midilector will read them in the order
they have been recorded.