HP-3800, HP-2800: Storing Chorus On/Off Setting with a Voice
Use the following procedure to store the HP-3800/HP-2800 chorus on/off setting
with a Voice:
1) Press a Voice button to select the desired Voice.
2) Press CHORUS so it is lit for "on" or so it is dark for "off."
3) While holding the desired Voice button, press CHORUS.