JV-880: Reverb and Chorus

Use the following procedure to confirm that the reverb and chorus processors
are enabled:

1) Press SYSTEM.
2) Use the DATA dial to select "REVERB."
3) Press CURSOR RIGHT (>) and use the DATA dial to select "ON" (if necessary).
4) Press CURSOR LEFT (<) and use the DATA dial to select "CHORUS."
5) Press CURSOR RIGHT (>) and use the DATA dial to select "ON" (if necessary).
6) Press CURSOR LEFT (<) and use the DATA dial to select "Output Mode."
7) Press CURSOR RIGHT (>) and use the DATA dial to select "2OUT."
8) Press SYSTEM to return to the previous display.