• Is the device set to react to Program Change? Are you positive? There might be several switches for this. How about Bank Select? System Exclusive? (You will be able to see if SysEx is needed to select Patches by looking in the Patch Manager. See page 110).
• Are you sending on the correct MIDI Channel? Remember that if you open the Patch Manager from the Studio Module menu, Patch changes are always sent out on the MIDI Channel you have entered in Setup, for its Single/Parent Modes.
• If the device can't handle Running Status (if it is very old), turn this off in Cubase.
• If you came in to the Patch Manager via the Arrange window, please see below.
• If the device has a Program Change map, either disable this or reset it to its default value.
• If you came in to the Patch Manager via the Arrange window, check the "Arrange Window" heading below.
• Does this device driver have a Macro Editor?
• Do you really have any Patches in memory to edit?
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• Are you sure the device is not accessed via a List Driver or Hybrid Driver?
• If you are using the Generic driver, did you Load/Receive and data yet?