Roland S-1 Owner's Manual page 50

Other useful functions
Selecting the type of phrase played by the arpeggiator
1. Hold down the [SHIFT] button and press pad [9] (ARPEGGIO TYPE).
2. Use the [TEMPO/VALUE] knob to select the arpeggio type.
TYPE
UP
doľn
UP. d ľ
UP. 2
dľ. 2
U. d . 2
rand
rnd. 2
Selecting the note lengths played by the arpeggiator
50
Explanation
Up
Down
Up&Down
Up 2oct
Down 2oct
Up&Down 2oct
Random
Random 2oct