User manual / vital_user_manual.pdf / Page 31
M31: User manual / Page 31

Retained analysis
The two delay visuals distinguish Ping Pong and Mid Ping Pong and display channel repeat placement. Preserve both timing controls and channel mode when explaining inter-note echoes. A single "delay amount" loses rhythm and stereo behavior; negative feedback is polarity, not a universal cleanup operation.
Documentation and visible configuration; not a new native audio test. Project observations are distinct from the source author's claims.
Provenance
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