G-Lab Midi 2 x Loop User Manual
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G-Lab Midi 2 x Loop User Manual

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  • Page 3: Table Of Contents

    Version 2.3 Table of contents Structure ___________________________________________________ 4 Scheme and signal path description ____________________________ 5 Manual loops switching_______________________________________ 5 MIDI channel setting _________________________________________ 5 Controlling via MIDI commands ________________________________ 5 DS2 ground lift switch ________________________________________ 8 Power supply _______________________________________________ 8 Possible using of the M2L _____________________________________ 8 Parameters ________________________________________________ 13 MIDI implementation chart ___________________________________ 14...
  • Page 5 Dear Customer, Congratulations for choosing our G LAB product! MIDI 2 x LOOP (M2L) is a loops’ switcher controlled by MIDI interface or manually, by using the buttons. M2L should be controlled by programmable MIDI controller (which enables to program and send chosen MIDI PROG CHANGE or CTRL CHANGE commands for any controller’s preset).

  • Page 6: Structure

    Structure 1 - MIDI channel settings switcher 7 - LOOP 1 signal input (RETURN) 2 - DS1 micro switch 8 - LOOP 1 signal output (SEND) 3 - DS2 micro switch 9 - Signal input connector 4 - Signal output connector 10 - Power supply connector 5 - LOOP 2 signal input (RETURN) 11 - MIDI input...

  • Page 7: Scheme And Signal Path Description

    Scheme and signal path description M2L has true passive signal path (without signal boosting and buffering elements). Owing to this the M2L doesn’t influence the guitar tone (doesn’t change the tone and doesn’t cut the signal). It is recommended to use the M2L to "exclude"...
  • Page 8 DS1=OFF – received is the units’ digit of program number (decimal digit is ignored) The table below shows the Program Change command functionality. Using the DS1 micro switch enables controlling two M2L units by one Program Change command (see example below).
  • Page 9 Scheme of connection in series of two M2Ls...

  • Page 10: Ds2 Ground Lift Switch

    M2L looper can be also controlled by single Control Change command or by separate controllers of the particular functions. The tables below show functionality of Control Change commands depending from the DS1 switch setting. DS2 ground lift switch DS2 micro switch serves to connect controlling circuit ground to main signal ground.
  • Page 11 Scheme of M2L connection to the amp’s effect loop...
  • Page 12 Scheme of extending GSC with two effect loops...
  • Page 13 A/B/Y switcher...
  • Page 14 Two stereo effects’ switcher (TRUE BYPASS)

  • Page 15: Parameters

    Parameters Dimensions (depth x width x height) 205 x 70 x 38 mm Weight 450 g Maximal input signal 30 dBu Power supply 9V DC (8,7 to 9,4V), 60 mA...

  • Page 16: Midi Implementation Chart

    MIDI implementation chart G LAB MIDI 2xLOOP M2L rev. 1.04 17.11.2008 Function Transmitted Recognised Basic Channel Default Changed 1-16 Mode Default Messages Altered Note Number True Voice Velocity Note ON Note OFF After Touch Keys Channels Pitch Bend Control Change 7, 80-83,85 Prog Change 1-4,10-14,20-24,30-34,40-44,100-101...

  • Page 17: Fcc Compliance

    Declaration of Conformity ELZAB S.A., ul. Kruczkowskiego 39, 41-813 Zabrze, Poland, declare under sole responsibility, that the following product: G LAB/ MIDI 2 x LOOP (G LAB M2L) conforms with requirements of the EC Council Directives: ● 2006/95/EEC Low Voltage Directive, ●...
  • Page 18 DO NOT PLACE THIS PRODUCT INTO THE WASTE CONTAINER ! This device is marked with a cross-lined waste container symbol according to 2002/96/EU Directive on Waste Electric and Electronic Equipment. Such marking informs that after usage equipment can not be trashed together with other household waste.

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