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Summary of Contents for G-Lab LINE MIDI SWITCHER

  • Page 3: Table Of Contents

    Version 1.0 Table of contents Structure __________________________________________________________ 3 Power supply ______________________________________________________ 5 Control Ground Lift (CTRL GND) switch ________________________________ 5 Working mode switches _____________________________________________ 6 Way of connecting __________________________________________________ 7 AB GND and ACD GND ground switches _______________________________ 9 MIDI functions_____________________________________________________ 10 Technical parameters ______________________________________________ 13 FCC Compliance___________________________________________________ 14 Declaration of Conformity ___________________________________________ 15...
  • Page 4 Dear Customer! Thank you for choosing our product. LINE MIDI SWITCHER (LMS-1) is a bidirectional, passive switcher of the audio signal with galvanic separation between A, B, C, D outputs/inputs. The LMS-1 can be used as amps switcher in “one of four” mode (guitar connected to an input of selected amp) without occurring of the ground loops.
  • Page 5: Structure

    Structure 1 - output/input D 8 - output/input A 2 - ACD GND grounds switch 9 - input/output Y 3 - output/input C 10 - CTRL GND ground switch 4 - DS1 and DS2 – working mode switches 11 - 9V power supply connector 5 - MIDI channel settings switch 12 - MIDI IN input 6 - output/input B...
  • Page 6 14 - power supply indicator 19 - C output/input „ON” switch 15 - A output/input activity indicator 20 - C output/input activity indicator 16 - A output/input „ON” switch 21 - D output/input „ON” switch 17 - B output/input activity indicator 22 - D output/input activity indicator 18 - B output/input „ON”...
  • Page 7: Power Supply

    Power supply LMS-1 should be supplied from 9V (DC) regulated source with capacity 100 mA or more. Before plugging the power supply please check the pin polarization. The device is protected against opposite polarity. If this protection switches on it is needed to disconnect the power supply and wait few minutes before reactivation of the device.
  • Page 8: Working Mode Switches

    Working mode switches The LMS-1 posses two working modes set by DS1 switch - DS1=OFF, one input/four outputs, Y IN/ABCD OUT, this working mode enables for example to choose the amp to which the guitar will be plugged in - DS1=ON, four inputs/one output, ABCD IN/Y OUT, this working mode enables to choose signal source (e.g.
  • Page 9: Way Of Connecting

    Way of connecting Scheme No. 1 (on the inside front cover of the manual) shows the way of connecting in mode one input – four outputs (Y IN/ABCD OUT). Scheme No. 2 (on the inside back cover of the manual) shows the way of connecting in mode four inputs –...
  • Page 11: Ab Gnd And Acd Gnd Ground Switches

    AB GND and ACD GND ground switches In the mode one input/four outputs (Y IN/ABCD OUT). The AB GND and ACD GND grounds switches enable to set the grounds connections in the way that eliminates ground loops occurring or to connect the grounds in order to eliminate hums and switching noises.
  • Page 12: Midi Functions

    In the mode four inputs/one output (ABCD IN/Y OUT). When the guitars (or other signal sources not connected to the grounding) are connected to the ABCD inputs the AB GND and ACD GND switches should be set to ON position. MIDI functions To set the MIDI channel on which the LMS-1 receives the commands serves the MIDI CHANNEL rotatable knob.
  • Page 13 The table below shows the functionality of Program Change commands. OUT/IN OUT/IN Prog Prog Ch No Ch No Prog Ch No = 4+1(when A=ON)+2(when B=ON)+4(when C=ON)+8(when D=ON)
  • Page 14 The table below shows the functionality of Control Change commands. CONTROL CHANGE NUMBER VALUE 0 – 31 32 – 63 64 – 95 96 – 127 Prog Ch No * *- according to the table above...
  • Page 15: Technical Parameters

    Technical parameters Dimensions: width 205 mm depth 70 mm height 38 mm Weight 0,45 kg Maximal input signal 30 dBu Power supply 9V DC (8,6 up to 9,5V regulated) Current consumption 100 mA...
  • Page 16: Fcc Compliance

    FCC Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 17: Declaration Of Conformity

    Declaration of Conformity ELZAB S.A., ul. Kruczkowskiego 39, 41-813 Zabrze, Poland, declare under sole responsibility, that the following product: G LAB Line Midi Switcher LMS-1 conforms with requirements of the EC Council Directives: ● 2006/95/EEC Low Voltage Directive, ● 2004/108/EEC Electromagnetic Compatibility, and holds CE mark.
  • Page 18 DO NOT PLACE THIS PRODUCT INTO THE WASTE CONTAINER ! This device is marked with a cross-lined waste container symbol according 2002/96/EU Directive Waste Electric and Electronic Equipment. Such marking informs that after usage equipment can not be trashed together with other household waste. An user obligation is to return wasted equipment to a party collecting wasted electric and electronic equipment.

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Lms-1

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