Meris MIDI

Setup with Meris IO interface

Connect the computer to the MIDI DIN portsMeris IO interface. You need two MIDI cables.

Connect one of the MIDI IO jack to the Meris pedal EXP port with a TRS (stereo) cable.

Nothing to configure.

MIDI in: select the device corresponding to your computer MIDI input port used with IO interface
MIDI out: select the device corresponding to your computer MIDI output port used with the IO interface
MIDI channel: same channel as the Meris pedal

Connect the computer to the USB port of the MIDI-Baby.

Connect the MIDI-Baby multijack to the Meris pedal EXP port with a TRS (stereo) cable.

MIDI in: Disaster G3 MIDI
MIDI out: Disaster G3 MIDI
MIDI channel: same channel as the MIDI-Baby interface, which must be the same channel as the Meris pedal.

There is an issue with the MIDI THRU mapping in the Baby v22, essentially the “USB” and “MultiJack” settings are reversed.

Please update your MIDI Baby with the latest firmware version available at https://www.disasterareadesigns.com/support

if you use firmware 1.60 or older on your DMC 3XL, this editor will only work one way - from pc/mac to your meris pedal, it also only worked for me when the Meris pedal was connected to the DMCs midi output, didnt work connected to its multijack midi out (even though it did work that way without the app)
the Disaster Area support team can send you the 1.62 firmware, which is not on their web at the moment because its just a Beta version yet.
then the settings should be the following: