DigiTech Midi Implementation Manual page 205

The full character set of the DigiTech display may be found in the Hitachi
Liquid Crystal Display Modules (1987) data book page 37.
1 Version 1.00 & 1.01 recognized procedure number 2 as the REQUEST RAM AREA
procedure. Version 1.02 recognizes procedure number 06 as the REQUEST RAM
AREA procedure.
2 Versions 1.00 & 1.01 recognized procedure number 43h as the RECEIVE RAM
AREA procedure. Version 1.02 recognizes procedure number 47h as the RECEIVE
RAM AREA procedure number.
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MEQ 7, MEQ 14, MEQ 28 Midi Implementation
Device type for the MEQ 7
Device Type = 9 (09h)
Device type for the MEQ 14
Device Type = 8 (08h)
Device type for the MEQ 28
Device Type = 7 (07h)
DigiTech Procedures recognized by the MEQs