emulatorII-list

hi all!!!

on the emulator-archive i read about dynamic filters on the SP12 - 
it is said, that two of the filters can be internelly ajusted!!!
how can i adjust them? - which menu must i use to manipulate them?

thanx in advance - 
here the text, copied from the emulator-archive:

"Yes, the SP-12 has analog filters ! 

Two of the channels the ride/crash and hit hats are unfiltered. 

Four others (snare/rim, bass, claps. cowbell) are each filtered with 
a static five pole 1dB Chebyshev filter, set at frequencies to 
optimise the sounds. 

The remaining two channels (the toms) each use a dynamic VCF. They 
use the SSM2044 with a simple AR enevelope  generated by the Z80. 
They create a 5ms sloping attack, followed by a decay. The 
frequencies can be internally adjusted."