Owner's Manual
Page 18
... the left of split voices. The "001 Grand Piano" voice will play piano, all you press the [PORTABLE GRAND] button all settings other than touch sensitivity are turned off , so only the Grand Piano voice will be turned off . Press the [EXIT] button to return to play over the entire keyboard. 18 DGX-620/520, YPG-625/525...
... the left of split voices. The "001 Grand Piano" voice will play piano, all you press the [PORTABLE GRAND] button all settings other than touch sensitivity are turned off , so only the Grand Piano voice will be turned off . Press the [EXIT] button to return to play over the entire keyboard. 18 DGX-620/520, YPG-625/525...