Alesis MIDIVERB IV, Service Manual

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Alesis MidiVerb IV Service Manual 16 03/05/99
The System Info data is as follows:
Input Volume Stereo 0-100
Input Volume Ch 1 0-100
Input Volume Ch 2 0-100
Output Volume Stereo 0-100
Output Volume Ch 1 0-100
Output Volume Ch 2 0-100
Mod X see Modulator Definitions
Mod X Amplitude High Nibble see Modulator Amplitude
Mod X Amplitude Low Nibble :
Mod Y see Modulator Definitions
Mod Y Amplitude High Nibble see Modulator Amplitude
Mod Y Amplitude Low Nibble :
Footswitch Mode see Footswitch Modes
System Status Byte see System Status Byte
Modulator Definitions
0 Pitch Bend
1 Aftertouch
2 Note Number
3 Velocity
4 Controller 0
: :
123 Controller 119
Modulator Amplitude
The modulation amplitude is nibblized with the high nibble being sent first. The value is in offset
binary, so the values 0 to 98 represent amplitudes -99 to -1, the value 99 represents amplitude 00, and the
values 100 to 198 represent amplitudes 1 to 99.
Footswitch Modes
0 Advance
1 Bypass
2 Controller
System Status Byte
Bit 0 Thru (0 = Off, 1 = On)
Bit 1 Omni
Bit 2 Bypassed
Bit 3 Cascade
Bit 4 Comparing
Bit 5 DON’T ALTER
Bit 6 Edited
Bit 7 0