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5.0 - USER MANUAL - BREVA – Sonic Machinery
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1. BREVA SONIC MACHINERY U Pe 7717 77 ROUTER E SWITCHER rn 00 swi sw2 LOOP 1 LOOP2 LOOP3 LOOP4 MIDI CH O O es A A A bp MIDI AUDIO ROUTER amp SWITCHER 9 0 USER MANUAL Characteristics LS42 is a multiple MIDI switcher which incorporates the functions of 4 audio loopers suitable for pedal effects commutation and 2 pure switches for the on off management of remote control devices for example the change of amplifiers channel multieffects by pass etc LS42 functioning principle is based on the use of BREVA SONIC MACHINERY exclusive technology which permits a SOFT function absolutely click less during commutation this guarantees an absolute TRUEBYPASS transparency thanks to the use of very high quality passive components such as ampoule REED relays and resistors as regard the circuits crossed by audio signal never connect LS42 to power signals for example audio power amps speaker out SOFT FUNCTION LS42 soft function selectable and memorizable independently on each memory location permits to carry out soft commutations without any kind of insertion noise click This action besides the absolute silent commutation inserts and disconnects the device managed through a short ascent descent gradual slope 70 100mS which creates a cross fade effect making the input of the selected loop more pleasant for example the connection of a pedal effect M
2. EARTH MANAGEMENT gt seno LOOP 1 return seno LOOP 2 return swt LOOP 1 GND SEND LIFT Loor 2 GND SEND LIFT dobl RETURN LOOP 4 SEND RETURN 10003 SEND LOOP 4 GND SEND LIFT 3 SEND LIFT AUDIO GND L DGT GND LIFT AUDIO AND DIGITAL EARTH MANAGEMENT This power supplier included LS42 packages is adaptable concerning the output voltage the polarity and the plug type In the package 6 plugs of different measures are supplied Use the one indicating 5 5 x 2 5 and insert it in the output plug coming from the power supplier Universal Adaptor according to the scheme beside Practically looking at the symbol indicating the polarity with the negative pole in the center Insert the plug until the two arrows are met E 5 5 2 5 3 3 y 11 sus 1 I Sexes 1 OK NO 2 a ls 6 las 1 sG Place the voltage selector on 9 Volt via Nino Bixio 2 21040 VEDANO OLONA VA www breva it info breva it BREVA SONIC MACHINERY MADE IN ITALY
3. IDI MANAGEMENT LS42 is managed via MIDI through a pedal a sequencer or any MIDI device able to send messages of program change control change according to standard MIDI It consist of one MIDI IN and one MIDI THRU and thanks to the 7 poles connector can be powered through phantom power Memorization on 128 memory locations Programming of MIDI receiving channel for PROGRAM CHANGE from 1 to 16 or OMNI Programming of MIDI receiving channel for CONTROL CHANGE on channels 15 no soft or 16 soft CASCADE CONNECTION It is possible to connect more than one LS42 by MIDI IN and THRU connections for example for the management of a pedal effects set composed by more than 4 elements As regard PROGRAM CHANGE there are no limits in choosing numbers for cascade connection As regard CONTROL CHANGE there is a limit of 4 units FREE RACK ASSEMBLAGE LS42 can be used in its free format fixed on the floor with a VELCRO or with an optional panel RP2 RACKMOUNT mounted on rack 19 RP2 can sustain one or two LS42 or other devices produced by ADVANCETUBETECH having the same size RPZ e Yu RACKMOUNT ee MIDI AUDIO ROUTER A om DIMENSIONS mm 210 x 100 x 44 WEIGHT 9 650 POWER SUPPLY 9VCC 500mA 2 5mm standard coaxial plug AUDIO CONNECTIONS standard JACK 1 4 MIDI CONNECTIONS standard DIN 5 7 poles Connection LS42 can manage a chain of 4 loops for example 4 pedal effects connecte
4. MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT MIDI CH 16 SOFT At any time the sending of a message of PROGRAM CHANGE ignores any action of LS42 after the receiving of CONTROL CHANGE commands and maintains the condition memorized on presets memory locations 0 127 MIDI standard supports 127 controls of CONTROL CHANGE 1 127 to which specific control functions or simple ON OFF commands are assigned Some controls are standard but the main part are choosen by the producers BREVA SONIC MACHINERY has choosen for LS42 4 groups of control change 80 85 86 91 92 97 98 103 exclusively for ON OFF functions The parameters to be set on MIDI pedal or on other devices sending control change besides the number of control change that on some pedals is available only from 1 to 120 are the following value ON and OFF and MIDI transmission channel The most pedals sending control change commands through push buttons have these default values OFF 0 and ON 127 as required by LS42 For each push button on the pedal it is necessary to set also the MIDI channel CH 15 for NO SOFT commutation CH 16 for SOFT commutation BANK Set LS42 is set as default on BANK A and receive
5. control change control change control change control change control change BANK D control change 98 gt control change 99 gt control change 100 gt control change 101 gt control change 102 gt control change 103 gt value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 0 OFF value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON value 127 ON MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 16 MIDI CH 15 16 MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 16 MIDI CH 15 16 MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 16 MIDI CH 15 16 MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 NO SOFT MIDI CH 15 16 MIDI CH 15 16
6. d as in the scheme below Let the effects always active LS42 will provide or not the insertion according to the set programming SW1 and SW2 are two pure relays contacts and are able to manage any kind of on off control for example the channel change of an amplifier AMIDI controller pedal through MIDI IN of LS42 transmits the message for the program change OP128 power supply can be activated via phantom through a 7 poles cable MC7 from the same MIDI IN in LS42 020 SEND LOOP 1 RETURN LOOP 1 GND SEND LIFT Leio 2 GND SEND LIFT MADE IN ITALY Too i nu MIDI IN MIDI THRU lt O MIDI CONTROL AMPLIFIER amp Sr AMPLIFIER O o 888 lo Programming LS42 programming is very easy and intuitive There are two programming ways switches programming and MIDI SETUP programming managed by the push buttons When LSA2 is on it is set on switches programming In the following page MIDI SETUP mode is described LOOPS PROGRAMMING Choose a location through MIDI controller pedal Push once one of the 4 LOOP buttons the led becomes green loop connected SOFT SWITCH mode Pushing again the led becomes red loop connected NO SOFT mode Pushing again the led is off loop disconnected the loop is bypassed TRUEBYPASS Push STORE the condition is memorized lt is possible to set also the mixed SOFT and the NO SOFT c
7. g condition To verify the exact setting or to change it newly repeat the procedure from point 1 12 5 177 LOOP 1 LOOP 2 LOOP3 LOOP 4 SW1 SW 2 CH STORE P AUDIO ROUTER U amp SWITCHER Dem OMNI ACCESS PUSH BUTTONS TO THE FUNCTION AND TO BANK CHOICE Power supply LS42 power can be supplied through the 2 5mm coaxial plug placed on the back panel or through a DIN 7 poles connector with the MC7 cable optional For a correct functioning LS42 needs a continue 9V and a current af a least 400mA It is possible to use the phantom connection to power other LS42 in cascade a MIDI pedal or other devices working with the same voltage the only limit is the entity of the required current mA A 500mA power supply can power for example 1 x LS42 1 x OP128 or 1 x LS42 1 x MIDILOOP To serve devices it is necessary to have a stronger power supplier or to connect more power suppliers in parallel mode Earth management LS42 has microswitches to manage earth connections frequent cause of annoying background noises On the back panel there are three groups of microswitches In the two central groups it is possible to manage the earth regarding the SEND of every loop In the lateral group it is possible to manage the digital earth and the audio earth going to the metallic chassis In case of noises it is necessary to try various configurations until the best condition is reached SEND
8. onditions SWITCHES PROGRAMMING Choose a location through MIDI controller pedal Push once one of the Swx buttons the led becomes red ACTIVE SWITCH the contact is closed Pushing again the led is off SWITCH DISCONNECTED the contact is open Push STORE the condition is memorized Loops and switches programming can be carried out in a sole session SWITCHES LOOPS BIEVA o 05 5 MIDI AUDIO ROUTER amp SWITCHER LOOP 1 LOOP2 LOOP3 100 4 S MIDI CH OMNI MIDI Setup MIDI SETUP programming concerns PROGRAM CHANGE only For CONTROL CHANGE please refer to the follow page Push MIDI CH button MIDI SETUP mode is ON and the leds flash Push OMNI button all the leds flash and LS42 is able to receive from all the 16 MIDI channels Push OMNI again LS42 returns to standard mode Only the leds of AB buttons are active To select MIDI receiving channel 1 16 please refer to the table below e Y 00000000 gt 00000000 00000000 n 000000090 y A B O O 0 O O O 0 0 0 0000000 After choosing the desired SETUP push STORE or wait for a few seconds LS42 returns to SWITCHES mode the setup is memorized Br 5 o 0 LOOP 1 LOOP2 LOOP3 LOOP4 SW1 SW 2 3 4 MIDI AUDIO ROUTER MIDI CH STORE sr u SE SWITCHER a i eN OMNI MIDI CH selection MIDI Control Change Each one of
9. s on control changes 80 81 82 83 84 85 as described in the previous table Since it is necessary to perform via MIDI a cascade connection for more than one unit each one of them must be set on a different bank to avoid that the sending of a MIDI controller may activate two or more of LS42 functions Example if two LS42 units should be cascade connected via MIDI and both on BANK acting a button on the pedal MIDI set on control change 87 the LOOP 2 of the first unit and the LOOP 2 of the second one will be ON Otherwise if the first LS42 unit should be set on BANK B and the second one on BANK C acting a button on pedal MIDI set on control change 87 only the LOOP 2 of the first unit will be ON since the one of the second unit will correspond to control change 93 In order to have access to the visualization function and to the bank change proceed as following described referring to the picture below 1 make sure that LS42 is off and that the plug or phantom 7 poles is disconnected 2 Push the buttons A and B and keep them pushed 3 Insert the power supply plug or phantom 7 poles 4 release the buttons A and B There are only 5 seconds available in order to visualize the green led corresponding to the bank set default bank A letter A and to modify the condition pushing one of the other buttons A B C D At the due time LS42 will automatically exit from this function memorizing the change and returning to the normal workin
10. the 4 loops and of the 2 switches of LS42 can be controlled via MIDI independently in real time through a device able to send messages of CONTROL CHANGE i e A MIDI footcontroller having this advanced function LS42 reacts to CONTROL CHANGE commands in this way value 0 LOOP OFF value 127 LOOP ON LS42 supports different commands for SOFT or NO SOFT function MIDI CH 16 receives SOFT commands and MIDI CH 15 receives NO SOFT commands SW1 and SW2 command is received both on CH15 and CH16 LS42 does not receive messages of CONTROL CHANGE on MIDI channels from 1 to 14 LS42 recognizes 6 numbers of CONTROL CHANGE please refer to the note at the bottom of the page assigned to each function and distributed on 4 banks to allow the use of 4 cascade units to control 16 LOOPS and 8 SWITCHES LS42 is set as default on BANK A control changes80 81 82 83 84 85 but it can be set on one of the other 3 banks according to the procedure described in the following page BANK SET value 0 SW OFF value 127 SW ON The table below shows the 4 banks with the corrispondences between control change number LS42 functions control change values and receiving MIDI channel of control change BANK A control change control change control change control change control change control change BANK B control change control change control change control change control change control change WY WE NE WE N BANK C control change
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