Roland HP 730 Owner's Manual page 37

OTHER USEFUL FUNCTIONS
On an acoustic piano, pressing the damper pedal will create resonance effect as the other
strings resonate
the played
key, adding rich vibration
and spaciousness.
The HP-730/530e/330e reproduce the resonance.
The amount of the resonance can be changed in 7 levels. A higher value produces a
deeper effect.
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1. While holding down the Chorus and Reverb buttons at the same time, set the amount of
the resonance with the [+/-] buttons.
1 -7 are available for the Resonance effect.
The Resonance you have set is retained until the HP is switched off.
* When the HP is switched on, 4 will be automatically selected.
* This setting is effective for Pianol and Piano2.
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