Instruction/ maintenance manual of the product AXB-MIDI AMX
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instruction manual AXlink Bus Controllers AXB-MIDI MIDI Interface.
AMX Limited W arranty and Disc laimer AMX Corporation warrants its products to be free of defects in material and workmanship under normal use for three (3) years from the date of purchase from AMX Co.
T able of Contents i AXB-MI DI MIDI Interf ace T able of Contents Product Information ........ ................ ................. ................ .............. .............. ............ 1 Installation ................. ................ ...........
ii AXB-MIDI MIDI Interface T able of Contents.
Product Information 1 AXB-MI DI MIDI Interf ace Pr oduct Inf ormation The AXB-MIDI MIDI Interface is an Axcess de vi ce for pass-through and control of Musical Instrument Digital Interface (MIDI) protocol signal s. This unit can act as a MIDI matrix switcher .
Product Information 2 AXB-MIDI MIDI Interface AXB-MIDI Specifications (Cont.) Input buff er • 3,072 bytes Output buff er (AXlink) • 6,143 bytes Max.
Installation 3 AXB-MI DI MIDI Interf ace Installation Setting the DEVICE DIP Switch The 8-position DIP switch (see FIG. 1) sets the AX link device number for the AXB-MIDI. The device number must match the number assigned in the Axcess software program.
Installation 4 AXB-MIDI MIDI Interface AXlink Wiring Gu idelines The follo wing table lists wire sizes and maximum lengths allo wable between the AXB-MIDI and the Central Controller power supply . The maximum wi ring lengths are based on 13.5 VDC @ 100 mA av ailable at the Central Con troller's po wer supply output cable end.
Installation 5 AXB-MI DI MIDI Interf ace accommodate the 75 mA draw of the AXB-MIDI. Make sure to connect the GND and +12 VDC wire on the AXB-MIDI AXlink connector end. Do not connect the optional +12 VDC power supply wire to the Central Controller's power supply side of the AXlink connector .
Installation 6 AXB-MIDI MIDI Interface Y ou will need a flat-blade tool (non-conducting ) that can be slipped under th e lithium battery to pry it up and out of the socket. The location of the Lithium battery on the circuit bo ard is shown in FIG. 7. 1.
Programming 7 AXB-MI DI MIDI Interf ace Pr ogramming Send Commands Send_Commands contro l AXB-MIDI signal routing by the Central Controller . The AXB-MIDI supports the Send_Com mands described below .
Programming 8 AXB-MIDI MIDI Interface IN A and IN B MIDI Signal Routing The following table sho ws all routing value possibilities for IN A and IN B incoming MIDI signals in relation to the AXB-M IDI rear panel connectors. The value determines where the IN A and IN B MIDI signals will be routed.
Programming 9 AXB-MI DI MIDI Interf ace MIDI Pr ogramming Most MIDI command strings consist of a status byte follo wed by one or two data bytes. The most notable exception to this is the Sy stem Exclusive which starts with a status b y te of $F0, has 4 or more data bytes, then ends with a status byte of $F7.
Programming 10 AXB-MIDI MIDI Interface SEND_STRING MIDI,"$B0 + (MIDI_CHANNEL - 1), CONTROLLER, VALUE" Specific example set volume to 50% on MIDI ch 5: MIDI_CHANNEL = 5 5 - 1 = 4 $B0 + 4 = $B.
Programming 11 AXB-MI DI MIDI Interf ace Summary of MIDI Messages The following information refers to MIDI messages and Control Change Messages. The following table lists and describe s Channel V oice.
Programming 12 AXB-MIDI MIDI Interface The following table lists and desc ribes System Common messages : Channel V oice Messages (Cont.) Status (D7---D0) Data By tes (D7---D0) Description 1100nnnn • 0ppppppp • Program Change. • This message sent when the patch number changes.
Programming 13 AXB-MI DI MIDI Interf ace The follo wing table lists and describes System Real-T ime Messages: The follo wing table lists and describes Channel Mode messa ges: System Real-Time Messages Status (D7---D0) Data By tes (D7---D0) Description 11111000 • Timing Clock.
Programming 14 AXB-MIDI MIDI Interface Channel Mode Messages (Cont.) Status (D7---D0) Data By tes (D7---D0) Description 1011nnnn (Cont.) • All Notes Off.
Programming 15 AXB-MI DI MIDI Interf ace.
AMX reserves the right to alter specif ications with out no tice at a ny time. brussels • dallas • los ang eles • mexico city • philad elphia • shanghai • singapor e • tampa • toronto* • yo rk 3000 research drive, richardson, TX 75082 USA • 469.
An important point after buying a device AMX AXB-MIDI (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought AMX AXB-MIDI yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data AMX AXB-MIDI - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, AMX AXB-MIDI you will learn all the available features of the product, as well as information on its operation. The information that you get AMX AXB-MIDI will certainly help you make a decision on the purchase.
If you already are a holder of AMX AXB-MIDI, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime AMX AXB-MIDI.
However, one of the most important roles played by the user manual is to help in solving problems with AMX AXB-MIDI. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device AMX AXB-MIDI along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
