Meris Mercury7 MIDI CCs & NRPNs

MIDI implementation details for the Meris Mercury7.

Last update: September 4, 2026 • 16 parameters


Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.

Expression

Parameter CC Range Usage Description Orientation
Expression pedal 4 [0–127]
Morphs between toe up and toe down knob settings
0-based

Footswitches

Parameter CC Range Usage Description Orientation
Bypass 14 [0–127]
0-63: Bypass; 64-127: Engage
Bypasses or engages effect processing
0-based
Swell 28 [0–127]
0-63: Off; 64-127: On
Engages auto swell function or maximizes space decay sustain when held
0-based
Algorithm select 29 [0–127]
0-63: Ultraplate; 64-127: Cathedra
Selects active reverb algorithm
0-based

Knobs

Parameter CC Range Usage Description Orientation
Space decay 16 [0–127]
Sets decay energy of the reverberation space
0-based
Modulate 17 [0–127]
Sets overall modulation depth of the reverb algorithm
0-based
Mix 18 [0–127]
Adjusts mix of dry and wet signals in analog domain
0-based
Lo frequency 19 [0–127]
Changes low frequency decay times in the reverb algorithm
0-based
Pitch vector 20 [0–127]
Sets intra-tank pitch interval
Note: Pitch intervals are octave down slight pitch down slight pitch up 5th up and octave up
0-based
Hi frequency 21 [0–127]
Changes high frequency absorption in the reverb algorithm
0-based

Alt functions

Parameter CC Range Usage Description Orientation
Predelay 22 [0–127]
Sets amount of time that elapses before the onset of reverberation
0-based
Mod speed 23 [0–127]
Sets dominant modulation speed of the reverb algorithm
0-based
Pitch vector mix 24 [0–127]
Adjusts mix between intra-tank pitch shifted reflections and normal reflections
0-based
Density 25 [0–127]
Sets amount of initial build up of echoes before the reverb tank
0-based
Attack time 26 [0–127]
Sets the attack time for the swell envelope
0-based
Vibrato depth 27 [0–127]
Adds vibrato to the reverb input
0-based

This dataset is provided under the Creative Commons Attribution Share Alike 4.0 International license.