DigiTech Midi Implementation Manual page 196

26 LFO Sweep Depth
27 LFO Wave Form
28 Feedback
29 Mix
Translation table of received midi program number to GFX-1 program number
(MIDI_TO_PROGRAM)
This 128 byte table is used to translate received midi program numbers to
GFX-1 program numbers. The received midi program number is used as an index
into the MIDI_TO_PROGRAM table. The byte at that index is the program number
to change to. Bytes in this table have the value of 0-119 on the GFX-1.
PROGRAM_NUMBER = MIDI_TO_PROGRAM[received midi program number]
Translation table of GFX-1 program number to transmitted midi program number
(PROGRAM_TO_MIDI)
This 120 byte table is used to translate GFX-1 program numbers to
transmitted midi program numbers. The GFX-1 program number is used as an
index into the PROGRAM_TO_MIDI table. The byte at that index is the program
number to transmit. Bytes in this table have the value of 0-127.
Xmitted midi program number = PROGRAM_TO_MIDI[PROGRAM_NUMBER]
Sales mode flag (0 - 1)
0 Normal operation
1 Run Sales Banner
10 Patch mode flag (0 - 1)