Classic 'AGO' MIDI Pedalboard (MPD) User Manual
Contents
1. e An on board push button provides user selectable functions such as transpose output velocity volume level and output MIDI channel e Ifthe MKSC 4A is purchased with the Classic MIDI Pedalboard it will be shipped fully installed How it works As shown on the schematic included at the end of this document Figure 4 the PIC16F876 microprocessor forms the heart of this system It is a serial micro processor containing RAM and EEPROM as well as the operating program all in one device It operates at a frequency of 20 MHz and has three ports One port JP4 is used only for matrix inputs from the keys The other two ports are used for outputs to the keys as well as input and outputs for MIDI In and Out and miscellaneous devices Among the latter is U3 which is for expansion of the EEPROM memory when this board is used in other applications The microprocessor scans each keyswitch separately Keyboard wiring is minimized by wiring the keyswitches in an 8x8 matrix The key switches must therefore be wired in groups of eight However to avoid two or more keys being read as being On together through back circuits and causing phantom notes each key switch MUST have a series diode type 1N4148 or similar These diodes which may be fitted either side of the switches Classic AGO MIDI Pedalboard Page 10 http www midiworks ca as convenient must be wired so that the cathodes the end with the black band go to the JP1 con2. Figure 7 Classic AGO MIDI Pedalboard wiring schematic a 17 Figure 8 Organ Shoe Waring secin roen inon ranee cae desanaas guanoad desea payaqa A us pakai 18 EE eh EE 19 Classic AGO MIDI Pedalboard Page 2 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD DISCLAIMER Information contained in this user manual is proprietary and is provided solely for the use of customer information and service The information contained herein shall not be duplicated used or disclosed for design procurement manufacturing or any other purpose in whole or in part without the written consent of ARTISAN CLASSIC ORGAN INC Information contained in this manual does not constitute any legal contract Although thoroughly edited for correctness neither Classic Organ Works nor any of their employees makes any warranty express or implied or assumes any legal responsibility for the accuracy completeness or usefulness of any information Information is subject to change without notice We appreciate any comments and suggestions to improve this manual Classic AGO MIDI Pedalboard Page 3 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD INTRODUCTION Congratulations on your purchase of the Classic AGO MIDI Pedalboard This beautiful deluxe wood veneer pedalboard uses a combination of heel and toe springs to produce an aut
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5. Analog Input to MIDI Channel Sets the MIDI channel on which a given analog input will operate 1 2 3 Press amp release programming push button Press amp release F 1 Analog Input 0 or G 1 Analog Input 1 or A 1 Analog Input 2 To add MIDI Channel 1 8 press amp release F 2 and then one of first 8 white keys or To add MIDI Channel 9 16 press amp release G 2 and then one of first 8 white keys Press amp release Enter key A 2 To enter default value MIDI Channels Off skip step 3 Select Analog Input Function Defines the function of a given analog input Press amp release programming push button Press amp release F 1 Analog Input 0 G 1 Analog Input 1 or A 1 Analog Input 2 Press amp release D 2 Select desired function by pressing one the following white keys C1 Low Level calibration of an Analog Input D1 High Level calibration of an Analog Input El MIDI Volume Control F1 MIDI Expression Control G1 MIDI Tuning Control A1 Ahlborn Crescendo B1 MIDI Realtime SysEx Master Volume Control C2 MIDI Realtime SysEx Master Coarse Tuning D2 MIDI Realtime SysEx Master Fine Tuning C3 Disable Analog Input Press amp release Enter key A 2 To enter default Analog Input Function 14 skip step 4 if Low Level gt High Level Analog Inputs actions are inversed Cancel Follow this procedure to cancel entered data before pressing Enter key A2 Classic
6. for the on board electronics is regulated down to 5V by a voltage regulator U2 A bridge rectifier D11 corrects the polarity of voltage and thus allows a co axial power jack of either positive or negative inner polarity to be used When the supply is present the processor will indicate that all is well by flashing the Heartbeat LED D16 Classic AGO MIDI Pedalboard Page 11 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD MIDI APPLICATIONS The Classic AGO MIDI Pedalboard can be connected to MIDI devices such as sequencers MIDI sound modules and computer based synthesizer software The convenient MIDI merge feature re transmits MIDI messages received on the MIDI IN connector A chart showing support of various MIDI parameters is shown below Table 2 MIDI Parameters supported FUNCTION TRANSMITTED RECOGNIZED COMMENTS Channel Yes Note 2 Yes Note 1 Key On Off Program Change or Ahlborn Stops Control Data ea CITO IA E RS Controllers Yes Note 1 Yes Note 4 Volume Yes Note 4 Expression Yes Note 5 Sustain Program Change Yes Note 6 Yes Note 1 AP System Exclusive Note 7 System Real Time Clock Yes Note 1 Yes Note 1 Start Stop System Reset Yes Note 1 All notes off Yes Note 1 Yes Note 1 NOTES 1 2 3 NOOSA All MIDI data received on MIDI In is re transmitted on MIDI Out Note data is transmitted on whichever channel is ac
7. ge oe og aw El 5 0 H U ad 84 04 8 4 Ho Ki 0 E gt d O dD e D E A m Figure 4 Pedalboard Key Map Table 1 Functions Accessible with the Programming Push Button Setting Parameter MIDI Function 1 Press amp release programming push button 2 Press amp release D 2 Defines the type of MIDI 3 To select MIDI Note On Off function press amp release first white key messages sent by the C1 pedalboard or To select MIDI Program Change function press amp release second white key D1 Or To select Ahlborn Stops Control function press amp release third white key El 4 Press amp release Enter key A 2 To enter default function Note On Off skip step 3 Classic AGO MIDI Pedalboard Page 7 http www midiworks ca Setting Parameter MIDI Function Parameter Sets the base key C1 value The MIDI Function Parameter sets MIDI Key Number for C1 Key if Note On Off function is selected Program Change Number for C1 Key if Program Change function is selected and Ahlborn Stop Number for C1 Key if Ahlborn Stops Control function is selected 1 Press amp release programming push button Press amp release C 2 3 Press amp release F 2 and then one of first 13 white keys to enter Tens of Cl Key Number digits 0 12 example For a value of 111 which has eleven tens hit key G2 For a value of 5 which has zero tens hit key C1 Press amp release G 2 and the
8. www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD INSTALLATION The Classic AGO MIDI Pedalboard is shipped fully assembled and requires only MIDI and power connections to operate The heart of the pedalboard is the MKSC 4A MIDI Keyboard Scan computer which performs key scanning transposition volume adjustment and MIDI channel output select It has a 2 1mm co axial DC power connector and two connectors for MIDI input and MIDI output A picture of the connectors is shown below Classic SET PUSH BUTTON MIDI IN MIDI OUT LED POWER Figure 2 Required Connections POWER Plug the 9 Volt DC power supply included into the 2 1mm co axial power connector MIDI OUT Plug the included 6 foot MIDI cable into the MIDI OUT connector and to the MIDI device you wish to control MIDI data is output from the pedalboard to other MIDI devices via this connector MIDI IN optional Plug a standard MIDI cable from the MIDI OUT port of another MIDI device into the MIDI IN connector This connector receives MIDI data from other MIDI devices and re transmits it through the MIDI OUT port as described above SET PUSH BUTTON No installation is necessary The push button switch is used to configure the pedalboard Along with the pedalboard keys it sets the output MIDI channel velocity level and transposes the entire pedalboard up one octave and back to default Classic AGO MIDI Pedal
9. AGO MIDI Pedalboard Press and hold first white key C1 Press amp release Enter key A 2 Release first white key C1 Page 9 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD MKSC 4A MIDI Keyboard Scan Computer for Matrix wired keyboards and pedalboards Description The brains of the Classic AGO MIDI Pedalboard is the MKSC 4A MIDI Keyboard Scan Computer This circuit board translates key switch action from keyboards and pedalboards into MIDI NOTE ONT or OFF commands It is a stand alone unit which adds MIDI capability to keyboards and pedalboards In particular the MKSC 4A is ideal for a new keyboard with high quality gold or silver low current contacts or reed switches wired in an 8x8 matrix with diodes Matrix wiring uses only sixteen wires to simplify the connections to a keyboard The Classic MIDI pedalboard includes a MKSC 4A board installed Principal Features Allows a new keyboard to operate MIDI equipment High quality low current contacts are arranged in an 8x8 matrix array for 61 note keyboards Switch de bouncing to prevent switching errors in keyboards with older switch contacts MIDI Channel set by a programming switch and pedal keys Non volatile memory allows the unit to store MIDI channel and other functions when power is removed MIDI input merge function allows other MIDI sources to simultaneously operate the same MIDI equipment
10. Classic Organ Works Classic AGO MIDI Pedalboard MPD User Manual Version 1 03 00 A Division of ARTISAN CLASSIC ORGAN INC Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD CONTENTS LS BIREN KEE 2 DESCH Roi 3 INTRODUCTION usaran adn RR risa earn 4 Figure 1 Parts list for the Classic AGO MIDI Pedalboard sss 4 TASSTE Organ TOPES nd iii ani 5 INSTALLATION RE 5 Figure 2 Required Connecttons cono aypa iiei aE i nn payalla sapa haapa ranas 5 Figure 3 Analog e E 6 CONFIGUR N Gini iia 7 Figure 4 Pedalboard Key Mad A a A LSC Se 7 Table 1 Functions Accessible with the Programming Pusbh Button 7 MEKSCA EE 10 DCS CHIP UO Nl ect an D unu am uk asun a a Sakamma aku usis 10 Principal ST u n nasa na p Su aQ n a Geese A oo S R R s na 10 HOWICWOKS e hu aa 10 MIDE APPLICATIONS ciscusecisiassusscesuapeesvossnccsssanas secunescoscospusonsssbacsoouspiiesvesisoedosboupassoauaneccesospnscusubaececsbsveis 12 Table 2 MIDI Parameters supported sss sese 12 SPECIFICATIONS EE 13 DHE TIS TONS E 13 Controls 2 35 u msn E n cay as n ices Sa s usun ub G u SN Sul 13 C OTMC CROWS se yuna sut toed ame case E 13 TROUBLESHOOTING iia ip 14 DIAGRAMS cosa csccienses ccatedesuvstasuasheadenconsesbuvsonsuasoucasessoubosuasaiihpsuosouaseseasesbonsusosuuessstepeseedantecessbeiwesvenstwasayeetes 15 Figure 5 Silk Screen of the MKSC 4A circuit board n nasa 15 Figure 6 MKSC 4A schematic eee eee eee 16
11. board Page 5 http www midiworks ca Remove black cover to expose analog input cable Analog Input Cable Cable is run through small notch Pedalboard Pedalboard w Exposed Input Cable Black Panel View Top View Figure 3 Analog Inputs ANALOG INPUTS Optional An analog input cable is hidden inside the pedalboard behind the black cover Remove the black cover and pull the cable out Run the cable through the small notch pictured leaving the 12 pin connector on the outside and restore the black cover Plug in analog organ shoes such as Expression Swell and Crescendo as illustrated in schematic on page 18 Classic AGO MIDI Pedalboard Page 6 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD CONFIGURING The Classic AGO MIDI Pedalboard provides the ability to configure a variety of parameters for its key and analog inputs These inputs are configured using the programming push button illustrated on page 5 along with the pedalboard keys In general 1 A pedalboard setting is configured by pressing and releasing the programming push button followed by a press and release sequence of pedalboard keys as defined in the list below 2 Only one setting can be configured per press of the programming push button on bel u ari 4 Nel H kel S o kai N D N wel m D a 0 S e A E D E 24 a EN kal E OG Pre SY v ci D og Oo 8 0858 A A a N H D d E dE QS o Y o vu A ot
12. ed at the back of the pedalboard is flashing e Make sure you have the correct MIDI connections MIDI OUT should be connected to the MIDI IN port on sound modules and MIDI equipment to send MIDI data to that equipment The Pedalboard MIDI IN port can be left unconnected If you wish to have MIDI equipment output MIDI data to the pedalboard then connect the MIDI OUT port on MIDI equipment to the Pedalboard MIDI IN port e Check that the MIDI device connected to the Pedalboard is one that is approved by the MIDI Manufacturers Association MMA All MIDI devices should conform to MMA hardware and software specifications however there are some products which might not MMA is the recognized organization to ensure compatibility between different MIDI manufacturers 2 There is no MIDI output and the green LED located at the back of the pedalboard is not flashing e Make sure you have the DC adaptor plugged into a working power outlet e Make sure you have the correct MIDI connections MIDI OUT should be connected to the MIDI IN port on sound modules and MIDI equipment to send MIDI data to that equipment The Pedalboard MIDI IN port can be left unconnected If you wish to have MIDI equipment output MIDI data to the pedalboard then connect the MIDI OUT port on MIDI equipment to the Pedalboard MIDI IN port 3 One or more of the keys do not produce a MIDI sound The others are fine e Check
13. ge 18 Figure 8 Classic AGO MIDI Pedalboard Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD WARRANTY Classic Organ Works warrants the Classic AGO MIDI Pedalboard to be free from defects in materials and workmanship under normal use for a period of ONE YEAR from the delivery date This warranty applies only if the product is owned by the original purchaser who has the bill of sale This warranty explicitly excludes any cables provided with the Classic AGO MIDI Pedalboard which may become defective as a result of normal wear and tear In the event of a defect in materials or workmanship please contact Classic Organ Works immediately Defects due to shipping should be reported within 15 days for insurance claim purposes For all other defects Classic Organ Works agrees to repair or replace all defective parts of said products which are returned transportation prepaid for inspection at its service centre within the period of the warranty The conditions of the warranty are that the equipment had not Been altered Been subjected to misuse improper maintenance or negligence Been damaged by excessive voltage or incorrect installation and connections Had its serial number or any part altered defaced or removed In the event that Classic Organ Works determines the product requires repair because of user misuse or regular wear it will assess a fair repair or replacement fee The customer will have the o
14. hentic organ pedalboard feel while conforming to the exacting specifications of the American Guild of Organists Constructed using the classical methods of organ builders the Classic AGO MIDI pedalboard is also a technologically advanced musical device The pedalboard magnetic reed switches connect to the built in Classic MIDI Keyboard Scan Computer MKSC 4A The electronics on this board perform MIDI merge velocity volume level transpose and selectable MIDI channel output functions Other MIDI devices may be chained with this pedalboard to produce a single MIDI output stream The pedalboard can output notes at different velocity volume levels The transpose function allows organists to select their preference for the starting pitch associated with the first pedalboard key A selectable MIDI channel output allows transmission of MIDI information on any one of sixteen standard MIDI channels The Classic AGO MIDI pedalboard is shipped fully assembled and requires only MIDI and power connections MIDI devices are connected to the MIDI IN and MIDI OUT connectors using standard MIDI cables The Classic AGO MIDI pedalboard conforms to the MIDI Manufacturers Association MMA specification For more information please visit http www midi org Pedal Board with MKSC 4A DC adaptor MIDI cable User Manual Figure 1 Parts list for the Classic AGO MIDI Pedalboard Classic AGO MIDI Pedalboard Page 4 http
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16. n one of first 10 white keys to enter Units of Cl Key Number digits 0 9 example For a value of 111 which has 1 unit hit key D1 For a value of 5 which has 5 units hit key Al Press amp release Enter key A 2 To enter default value 36 skip steps 3 and 4 MIDI Channel Select Sets the pedalboard MIDI output channel Press amp release programming push button Press amp release C 1 For MIDI Channel 1 8 press amp release F 2 and then one of first 8 white keys or For select MIDI Channel 9 16 press amp release G 2 and then one of first 8 white keys Press amp release Enter key A 2 To enter default value 1 skip 3 Velocity Value Sets the key velocity which controls the volume Classic AGO MIDI Pedalboard Press amp release programming push button Press amp release D 1 Press amp release F 2 and then one of first 13 white keys to enter Tens of Velocity Value digits 0 12 example For a value of 111 which has eleven tens hit key G2 For a value of 5 which has zero tens hit key C1 Press amp release G 2 and then one of first 10 white keys to enter Units of Velocity Value digits 0 9 example For a value of 111 which has 1 unit hit key DI For a value of 5 which has 5 units hit key Al Press amp release Enter key A 2 To enter default value 127 skip steps 3 and 4 Page 8 http www midiworks ca Setting Parameter Add
17. nector side of the matrix the board inputs The scanning system is such that when a high output 5V is present on JP4 1 the first 8 keys are read in as a group on JP1 1 8 A key down causes a high signal at a JP1 pin only while JP4 1 is high The scan then progresses to JP4 2 and JP1 1 8 are read again and so on up to JP4 8 after which the sequence is repeated continuously the last three switch inputs are not used on a 61 note keyboard but could be Bottom C is Key 1 corresponding to JP1 1 JP4 1 Thus all the keys are read sequentially from bottom to top Every eighth cathode switch is joined to JP1 1 for keys 1 9 17 25 33 41 49 57 Similarly every eighth one 2 10 18 is joined to JP1 2 and so on up to JP 1 8 The JP1 connector will always be fully wired no matter what size the keyboard The first eight keys C G have all their anode sides joined together to JP4 1 The next eight G D all go to JP4 2 etc up to JP4 8 which has only the top five keys of a 61 note keyboard On a 32 note pedalboard only the first 32 switches are present so JP4 5 8 will not be used All the input pins of JP1 are voltage protected by shunting diodes D1 to D8 These clamp any incoming spikes or static to the 5 volt range of the supply Transient suppression diode D17 protects the programming input output The eight JP4 outputs are protected against external static by dual diodes D9 D12 which shunt negative voltage excursions Power
18. ption to pay this fee and have the unit repaired and returned or not pay this fee and have the unit returned un repaired Classic Organ Works will not be liable for consequential special indirect or similar damages or claims including loss of profit or any other commercial damage and in no event will Classic Organ Works liability for any damages to the purchaser or any other person exceed the price paid for the product regardless of any form of the claim Classic Organ Works specifically disclaims all other warranties expressed or implied Specifically Classic Organ Works makes no warranty that the product is fit for any particular purpose This warranty shall be interpreted and governed by applicable laws in the province of Ontario Canada If any provision of this warranty is found void invalid or unenforceable it will not affect the validity of the balance of the warranty which shall remain valid and enforceable according to its terms In the event any remedy hereunder is determined to have failed of its essential purpose all limitations of liability and exclusion of damages set forth herein shall remain in full force and effect Classic Organ Works 2800 John Street Unit 4 Telephone 905 475 1275 or 1 888 812 9717 Markham Ontario Canada Facsimile 905 475 2735 L3R 0E2 Email midisupport organworks com Web www midiworks ca Document MPD Manual 001 doc Revised March 30 2005 Classic AGO MIDI Pedalboard Page 19 http www m
19. the connectors on JP1 and JP4 of the MKSC 4A circuit board There might be loose or damaged wires or connectors which need to be replaced e Check to make sure that the keys were not damaged during shipping 4 You have tried all the suggestions above but still do not have a working Pedalboard e Contact Classic Organ Works Classic AGO MIDI Pedalboard Page 14 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD DIAGRAMS U R7 PIC16F876 m N a st SC CES L JP8 JP5 Ci Ek oa JP6 Figure 5 Silk Screen of the MKSC 4A circuit board Classic AGO MIDI Pedalboard Page 15 http www midiworks ca 002 EZ 1990190 APPSIMUL 00ZZZOL LO NI 19QUINN quewinoog Vr OSYW ZHONET RT ge Y DINA EINES HHOP 0987 Sum ko 2 810 DASHYA Z JANSEN YIOV3H ANN IXA Md IXA LAALNO H LIMS LNANI H LIMS LAGNT HOLIMS mr Eur Zur Z k o 6dr m L Rss ER No lr e6OL ZOWSOISLNT ZN 4040 sa LISTIA d o_o oe ZC L9S99d z L Z L O Oo vd Dr L 199194 z L gr Gd LMS no o S 2 gE Oa K RAN l a VeeLyNL 90 4
20. tive The key inputs are not velocity sensitive The Velocity value sent with notes may be changed from the default value 100 via pedalboard configuration Volume or Expression may be sent on the currently active channel via pedalboard configuration Sustain On Off will be transmitted on the currently active channel Program Change messages may be sent on the currently active channel or on Channel 16 SysEx messages received in MIDI In will be re transmitted on MIDL Out SysEx messages to control stops on Ahlborn Archive modules may be generated by operating the programming switch and then pressing a key Not presently implemented Classic AGO MIDI Pedalboard Page 12 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD SPECIFICATIONS Dimensions Pedalboard Front Width 53 5 inches 135 9 cm Back Width 37 5 inches 95 25 cm Height 5 inches 12 7 cm middle E key MKSC 4A Circuit Board Width 4 875 inches 12 38 cm Height 2 25 inches 5 72 cm Depth 0 90 inches 2 3 cm plus cable connectors length Controls MIDI Channel Select Accessible by pressing and releasing the programming push button followed Transpose Velocity by a press and release sequence of pedalboard keys documented in the Analog Input and MIDI configuration section of this manual Function Connections Inputs Pedalboard Programming Switch MIDI Power Inputs MKSC 4A Key Switches JP1 Outpu
21. ts Pedalboard MIDI Outputs MKSC 4A Key Switches JP4 Classic AGO MIDI Pedalboard Active low 510 Ohm load via LED to 5V OV typical to operate DIN 5 pin Socket Standard MIDI signals optically isolated 5 12V DC 50 mA typical Co axial Power Jack 2 1mm ID 6mm OD Either polarity Active high 5V typical 10k Ohm load to OV 1 Group of 8 Pins 0 025 Square 0 3 long 0 1 pitch for 8 pin Molex or MAS CON connector DIN 5 pin Socket Standard MIDI signals Active high 5V typical source 810 Ohms 1 Group of 8 Pins 0 025 Square 0 3 long 0 1 pitch for 8 pin Molex or MAS CON connector Page 13 http www midiworks ca Classic Organ Works CLASSIC AGO MIDI PEDALBOARD MPD TROUBLESHOOTING The Classic AGO MIDI Pedalboard has been designed for years of worry free use It is a ready to use device that requires no assembly or programming with the exception of user selectable functions like MIDI channel transpose and output velocity level It is extremely reliable and works with all MIDI devices conforming to the MIDI Manufacturers Association specification The pedalboard requires power and MIDI connections Once these connections have been made the pedalboard is ready for use Each pedalboard is thoroughly tested at our factory before being shipped However if the pedalboard does not function correctly upon delivery follow these guidelines 1 There is no MIDI output and the green LED locat
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