Yamaha CLAVINOVA CLP- 685 Owner's Manual page 31

Reverb
This control adds reverberation to the sound by simulating the natural
reverberation of a concert hall. The ideal Reverb type is automatically selected
whenever you select a Voice, but you can select any of the available Reverb types.
To select a desired Reverb type, use the "Voice" menu display: "Reverb"
(page 84). You can also select the Reverb type for Voices in the Piano group
from the Piano Room display (page 26).
This setting is applied commonly to all parts (keyboard Voices/Song/MIDI).
Chorus
This control adds warmth and spaciousness to the sound. The ideal Chorus
type is automatically selected whenever you select a Voice, but you can select
any of the available Chorus types.
To select a desired Chorus type, use the "Voice" menu display: "Chorus"
(page 84).
This setting is applied commonly to all parts (keyboard Voices/Song/MIDI).
Effects
This instrument features a wide variety of Effects, letting you apply
enhancements such as Echo or Tremolo to the selected Voice for your keyboard
performance. You can select any of the available Effect types from the "Voice"
menu display: "Voice Edit"  "Effect" (page 85).
Playing Various Musical Instrument Sounds (Voices)
CLP-685, CLP-675, CLP-645, CLP-635, CLP-665GP Owner's Manual
NOTE
You can adjust the Reverb
depth for the selected Voice
"Voice Edit"  "Reverb Depth"
from the "Voice" menu display:
(page 85).
NOTE
You can adjust the Chorus
depth for the selected Voice
from the "Voice" menu display: "Voice Edit"  "Chorus Depth"
(page 85).
NOTE
When you want to apply the
Chorus effect to a Voice whose
Chorus type is set to off by
default, set the Chorus type to
something other than "Off,"
then set the Chorus depth
value as desired (greater than
"0").
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