Component Names
Front Panel
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Switches the instrument between standby/on modes.
Adjusts the main volume of the instrument.
Adjusts the volume balance between the sounds
played with the keyboard and the rhythm style/
metronome playback.
Shows the instrument status, settings, and other
information.
Used for recording and the Sound Back functions.
Lights when the microphone input level is too high.
This is used when adjusting the sensitivity of the
microphone.
Indicates the Bluetooth connection status. This is
used when connecting to an iPhone or iPad.
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HD-300 Owner's Manual
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Selects the Voice for use when playing the keyboard,
or when playing back the contents for training.
These set the temperament (equal/pure/individual)
and lock/unlock the root key auto detection.
These configure the keyboard transpose settings and
are used when playing a music score for a transposing
instrument as notated.
Adjusts the keyboard octave.
Used to keep the played notes sounding even after the
keys are released.
Switches the Sound Back function on and off.
Used for recording and playback.
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