Roland SP-404MK Reference Manual page 168

Appendix MFX List
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TimeCtrlDly
This is a delay in which the delay time can be varied smoothly.
Parameter Value
TIME 0‒100
FEEDBACK 0‒99
LEVEL 0‒100
L DAMP F FLAT, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630,
800 (Hz)
H DAMP F 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000,
5000, 6300, 8000, 10000, 12500, FLAT (Hz)
SYNC OFF, ON
Explanation
Sets the sound delay time.
Adjusts the amount of feedback for the
effect.
Sets the volume of the effect sound.
Sets the frequency range that is
attenuated each time the delay repeats.
When this is ON, the effect sound
synchronizes with the tempo.