Midi 2 x Loop 4 User Manual Instrukcja obsługi Bedienungsanleitung
Version 2.
2
Dear Customer, Congratulations for choosing our G LAB product! MIDI 2 x LOOP (M2L) is a loops’ switcher controlled by MIDI interface (by Program Change or Control Change commands) or manually, by using the buttons. Using the MIDI commands it is also possible to mute the signal (e.g. for silent tuning). M2L can be controlled by every MIDI controller and it is particularly recommended as an extension of the G LAB guitar system controllers GSC.
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 6 - LOOP 2 signal output (SEND) 12 - MIDI copy (THRU) 1 - Power supply indicator 2 - Loop 1 status indicator 3 - Loop 1 on/off button 4 - Loop 2 on/off button 5 - Loop 2 status indicator 4
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 switcher button to exclude from the effects’ signal path the effects without true bypass function. Controlling by MIDI provide galvanic separation from controlling device. It is recommended to use 9V DC from separated source.
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).
Scheme of connection in series of two M2Ls 7
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. If the 9V power supply circuit is fully separated from any other groundings it is recommended to switch DS2 to ON position.
Scheme of M2L connection to the amp’s effect loop 9
Scheme of extending GSC with two effect loops 10
A/B/Y switcher 11
Two stereo effects’ switcher (TRUE BYPASS) 12
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 13
MIDI implementation chart G LAB MIDI 2xLOOP M2L rev. 1.04 Function 17.11.2008 Transmitted Recognised X X 1 1-16 X X Note Number True Voice X X X X Velocity Note ON Note OFF X X X X After Touch Keys Channels X X X X Pitch Bend X X Control Change X 7, 80-83,85 Prog Change X 1-4,10-14,20-24,30-34,40-44,100-101 System Excl.
EMC/EMI & Certificate of conformity EMC/EMI This device has been designed and manufactured to conform with directives and standards in the field of safety operations and electromagnetic interference. This device uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However in spite of performing below standards there is no guarantee that interference will not occur in a particular installation.
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. An user obligation is to return wasted equipment to a party collecting wasted electric and electronic equipment.
COMPANY ADDRESS ELZAB S. A. ul. Kruczkowskiego 39, 41-813 Zabrze, Poland phone +48 32 272 20 21, fax +48 32 272 81 90 Web site ................................................................. www.glab.com.pl Export Department ................................................ phone +48 32 272 30 51 inter. 34, +48 32 272 20 21 inter. 366 e-mail: rydygier@elzab.com.pl Technical Support .................................................. phone +48 32 272 26 23 +48 32 272 20 21 inter. 419, 220 e-mail: help@glab.
