Akai S3000XL User Manual page 90

EDIT PROGRAM - SINGLE
NOTES ON USING PORTAMENTO
The portamento effect can be used when playing polyphonically or monophonically.
When playing polyphonically, notes in a chord will slide up or down to the next chord
accordingly at a speed set by the
held when a new chord is played, it will not be affected.
When playing monophonically (i.e. with MONO LEGATO switched ON), the effect is just
like that found on an old analogue monosynth and many exciting synth sounds can be
created using the portamento function that fit in perfectly with the current fashion for using
analogue synths.
Of course, when playing monophonically, the effect can be applied equally as effectively
to samples of acoustic instruments and the effect can be switched in and out using the
MIDI PORTAMENTO pedal for expressive phrasing.
The portamento effect is a PROGRAM parameter - that is, it will affect all keygroups
equally. When layering sounds in a multi, to apply portamento to some sounds and not to
others, create a program with portamento and another program without portamento and
place the programs into separate parts, assigning the same MIDI channel to those parts.
When you play, one program will hit new notes immediately whilst the other lags behind.
Of course, you may stack more than two programs on top of each other in the multi.
Alternatively, you may layer programs in this way and set different portamento rates for
each one so that they all slide around at different speeds!
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and parameter. If one note in a chord is
S3000XL Operator's Manual