Answer: Bulk dumps are performed by the MPX 100 by following this procedure:
MIDI Dumps allow you to back up the 16 User programs, the currently running program, or your System Mode settings and Learned patch assignments, to a storage device (typically, a sequencer).

MIDI Dumps are performed in System Mode. To perform a dump of the User programs, the current program, or all of the System Mode parameter settings:

1. Press and hold Bypass for 2 seconds. The Bypass and Store LEDs will blink slowly to indicate you are in System Mode.

2. Turn VARIATION to:
14 to dump the User porgrams
15 to dump the current program
16 to dumpt the System settings and Learned patch assignments

3. Press Store to execute the dump.

4. Press Bypass to exit System Mode.