Roland HP 145 Owner's Manual page 12

Playing the Keyboard
2. While holding down the [Piano] button, press the [Tone] button.
Piano Tone
While holding down... Press
Both button lamps are lit. When you play the keyboard, both the Piano and
Strings tones are layered.
Reverting to a Single Instrument Tone
Press either the [Piano] button or the [Tone] button.
Only the button lamp for the button that was pressed stays on, and only that
instrument sound is produced.
Piano Tone
Press Press
Layering the Harpsichord and Strings Tones
You can perform with two tones assigned to the [Tone] button layered together
(other than the piano tone).
While holding down the [Tone] button, simultaneously press the
Harpsichord and Strings keys from among the keys marked as
"Tone" keys.
While holding down... Press simultaneously
Tones composed of tivo separate layered tones C Dual" tones) cannot be assigned to the
restored.
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