Steep; Reset Mod - Alesis ModFX Reference Manual

3
Using the Philtre

Steep

For a more dramatic filter effect, press the [STEEP] button.
[STEEP] quadruples the number of filter poles being used. This
means that more frequencies are rejected, and if [REGEN] is
turned up, the resonance effect is more pronounced.
Here is a chart of the effect of the [STEEP] button:
Normal slope
2 p ole (12 dB/o ctave)

Reset Mod

Press this button to reset the phase of the filter modulation source
as follows:
• In TRIANGLE mode, press [RESET MOD] to start the wave
from the top of its phase.
• In TRIGGERED mode press this button to generate a fast-
attack trigger envelope to momentarily open the filter, even
when the audio signal hasn't generated its own trigger.
• In PATTERN mode press this button to generate a new 16-
step pattern.
38
Steep slope
8 p ole (48 dB/o ctave)