Convenient Functions
Adjusting the Pitch of the Sound–Master Tuning
In situations such as when playing in ensemble with other instruments, you can adjust the HP 237R’s reference pitch to that of another instrument.
Middle A is generally used as the standard reference pitch for tuning instruments.
When playing in ensemble with other instruments, set each instrument to the same reference pitch to ensure that you will be in tune with each other. This tuning of all the instruments to a reference pitch is called “Master Tuning.”
The reference pitch can be set to any value from 415.3 Hz– 466.2 Hz.
“440.0 Hz” is the
Use the
Demo Song
Tempo | Beat | Sound On/Off | Play Rec | Demo Song |
| Metronome |
|
|
|
|
|
|
| C4~D#4 |
■Lowering/ raising the Reference Pitch
■Setting the Reference Pitch to 440.0 Hz
While holding down the [Demo Song/Key Touch] button, press the “C#4” key on the keyboard.
fig.7-08.e
C#4
Demo Song
While holding down | Press |
The reference pitch will be set to 440.0 Hz. This is the most commonly used setting. The A4 (Middle A) key will sound at 440.0 Hz.
■Setting the Reference Pitch to 442.0 Hz
While holding down the [Demo Song/Key Touch] button, press the “D#4” key on the keyboard.
fig.7-09.e
D#4
Demo Song
While holding down | Press |
While holding down the [Demo Song/Key Touch] button, press the “C4” note to lower the reference pitch, or the “D4” note to raise it.
fig.7-07.e
Lowers | Raises |
the pitch | the pitch |
The standard pitch will be set to 442.0 Hz. This setting is often used for concert pianos. The A4 (Middle A) key will sound at 442.0 Hz.
Sounding a reference tone while you adjust the pitch
Demo Song
While holding down
C4 D4
Press
Holding down the [Demo Song/Key Touch] button, press the [Sound] button, and while continuing to hold down the two buttons, press the corresponding key. You can hear a reference tone (Middle A) as you adjust the pitch.
Each time you press the “C4” key, the pitch will fall by
0.1Hz. If you continue holding the key, the pitch will continue falling.
Each time you press the “D4” key, the pitch will rise by
0.1Hz. If you continue holding the key, the pitch will continue rising.
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