Pressing the Channel 3 switch will cause the following to be transmitted via the MIDI output jack;
MIDI Control Change #58 with a Control Value of #127 on MIDI Channel 1 (selects channel 3 on receiver)
MIDI Control Change #59 with a Control Value of #000 on MIDI Channel 1 (turns FX Loop off on receiver)
MIDI Control Change #60 with a Control Value of #000 on MIDI Channel 1 (turns Graphic EQ off on receiver)
The above three messages will be re-transmitted on MIDI Channel 2, then 3… all the way up to 16 (OMNI Mode)
The Channel 3 LED will turn on and the Channel 1, Channel 2, FX Loop and Grpahic EQ LED’s will turn off.
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MCU task’s and pedal functionality when a channel switch is pressed, released and/or held down for five seconds…
1. A channel (1, 2 or 3) selection switch is pressed.
2. The MCU checks to see if the switch was already active (its LED on).
3. If NOT, the MCU will transmit the preset MIDI data stored in the EEPROM for the switch, turn the appropriate
LED’s on/off, and return to checking for a new switch press.
4. If the channel switch pressed in Step #1 was already active, the MCU will check to see if the on/off state of the
Graphic EQ and/or FX Loop switches have changed from the preset settings stored in the EEPROM.
5. If the on/off status of Graphic EQ and/or FX Loop switches has NOT changed, the MCU will return to checking for
a new switch press.
6. If the on/off status of Graphic EQ and/or FX Loop switches has changed, the MCU will start a 5 second counter.
7. If the channel switch pressed in Step #1 is released prior to the counter reaching 5 seconds, the MCU will return
to checking for a new switch press.
8. If the channel switch pressed in Step #1 is NOT released when the counter reaches 5 seconds, the MCU will
update the preset stored in the EEPROM with the new/changed FX Loop and Graphic EQ on/off settings.
9. Upon saving the new settings in the EEPROM, the MCU will flash (indicating to the end user that the preset has
been saved) the FX Loop and Graphic EQ LED’s as follows – both off for 400 milli-seconds, both on for 200 milli-
seconds, both off for 400 milli-seconds. Then the on/off status of the FX Loop and Graphic EQ LED’s should be
updated as per the preset.
