Hardware manual

Crest Audio Inc. NexSys v. 3.0
14. MIDI Interface
NexSys and the Event Scheduler can interact with MIDI equipment via the optional NexSys
MIDI Interface. MIDI (Musical Instrument Digital Interface) equipment can range from sig-
nal processing devices and show controllers to mixing consoles.
The NexSys MIDI Interface is bi-directional and can send or receive MIDI data. Patches, a
common MIDI construct, may be sent directly by creating a MIDI device within NexSys.
Patches and more complex MIDI data strings may be received by the Event Scheduler.
The patch changes may be made part of a Snapshot or they may be manually cued and fired.
In addition MIDI functions may be automated when programmed in conjunction with the
Event Scheduler
Refer to section 13 for advanced use of MIDI commands with the Event Scheduler.
14.1 Creating a MIDI Device within NexSys
MIDI devices must be manually added to NexSys because AutoPlan recognizes a MIDI
Interface but cannot recognize third party MIDI equipment attached to it. To add a MIDI
device, open the destination group window or the Plan Inventory then select D
evice | New
| MIDI from the menu. Setup the MIDI device with the Setup Dialog that appears below.
MIDI Device Setup Window
14.2 Recalling MIDI Patches
In order to send a MIDI patch you must first open its control
window. Double click on the Device in either the Plan Inventory
window or the group window containing the MIDI device (rep-
resented by a DIN connector.) Select or type the desired patch
number and press Execute. Remember, NexSys MIDI devices are
limited to sending patches; they cannot receive them.
MIDI Patch control window
This same procedure will ready the MIDI device to be saved as part of a snapshot. To do so,
execute the patch and then save or update the snapshot. In this way, patches can be sent
along with gain changes in a NexSys snapshot.
Third party devices must be configured to act upon a patch change manually - refer to the
respective devices owner’s manual.
Each MIDI Interface has 2
MIDI Out Ports. Each MIDI
Out can address 16 MIDI
channels.
MIDI equipment at this
channel will receive patch
changes from this NexSys
MIDI device
Software Manual Page 14.1