Roland HP 145 Owner's Manual page 16

It Even Does This! — Convenient Functions
Lowering the Reference Pitch
While holding down the [Key Touch/Demo Song] but-
ton, press the key of C4. Refer to *Functions Assigned
to the Keyboard" (p. 21).
Key Touch/
Demo Song
c4
While holding down...
Press
The pitch falls one cent each time the key is pressed.
The pitch falls continuously when the key is held
down.
Setting the Reference Pitch to
440 Hz
While holding down the [Key Touch/Demo Song} but-
ton, press the key of C#4. Refer to "Functions
Assigned to the Keyboard" (p. 21).
Саа
Key Touch/
Demo Song
While holding dow... ^ press
The HP 145's reference pitch is the one most common-
ly used, 440 Hz. In other words, 440 Hz is produced
when Middle A (A4) is played.
16
Setting the Reference Pitch to
442 Hz
While holding down the (Key Touch/Demo Song] but-
ton, press the key of D#4. Refer to "Functions
Assigned to the Keyboard" (p. 21).
D#4
Key Touch/
Demo Song
While holding down... Press
Many pianos used for performing in concert are tuned
to 442 Hz. That is, 442 Hz is produced when Middle A
(A4) is played.
MEMO What is a Cent?
1/100 of a semitone (half-step) in the equal-tempera-
ment scale is known as a "cent." You can raise and
lower the HP 145's reference pitch by up to 100 cents
(one semitone).
T