Boss DD-7 - REVERSE Mode Description

Panel Descriptions
6
REVERSE:
This delay produces an eect like playing back a tape in reverse.
You can adjust the E.LEVEL knob setting to get two dierent kinds
of eect, “Eect Sound + Direct Sound” and “Eect Sound Only.”
Turning the E.LEVEL knob completely to the right switches this to
“Eect Sound Only.”