Roland HP305 Manuale Utente

 

Various Settings

 

You can adjust the volume balance between the two tones (tone 1 

and tone 2) used for Dual play.

When playing ensemble with other instruments and in other such 

instances, you can match the standard pitch to another instrument.

The standard pitch generally refers to the pitch of the note that’s 

played when you finger the middle A key. For a cleaner ensemble 

sound while performing with one or more other instruments, ensure 

that each instrument’s standard pitch is in tune with that of the 

other instruments. This tuning of all the instruments to a standard 

pitch is called “Tuning.”

 

When the instrument is shipped from the factory, this is set to 

“440.0 Hz.”

Pianos are generally tuned so that the low range is flatter and the 

high range is sharper than equal tempered pitches. This method of 

tuning is unique to the piano, and is known as “stretched tuning.”

You can play classical music such as baroque pieces using their 

original tuning.

Most modern songs are composed and played with the assumption 

that equal temperament (the most common tuning in use today) 

will be used, but when classical music was composed, there were a 

wide variety of other tuning systems in existence. Playing a 

composition with its original tuning lets you enjoy the sonorities of 

the chords that the composer originally intended.

When playing with tuning other than equal temperament, you need 

to specify the temperament key for tuning the song to be 

performed (that is, the note that corresponds to C for a major key or 

to A for a minor key). If you choose an equal temperament, there’s 

no need to select a temperament key.

* When performing in ensemble with other instruments, be aware 

that depending on the key, there may be some shifting of the pitch. 

Tune the HP305/HP302 to the fundamental pitch of the other 

instruments.

 

Adjusting the Dual Play Volume Balance 
(Dual Balance)

 

9-1 (tone 1 is louder)–9-9 (same volume)–1-9 (tone 2 is louder)

 

Tuning Settings

 

Matching the Pitch with Other Instruments 
(Master Tuning)

 

15.3–40.0–66.2

415.3 Hz – 440.0 Hz – 466.2 Hz

 

Using a Piano’s Unique Tuning
 (Stretch Tuning)

 

On

This tuning curve expands the bass and treble ends 
somewhat. It is suitable for performances such as 
piano solos.

OFF

This is the standard tuning curve. This is suitable for 
when using Dual play (p. 31) or when playing in an 
ensemble with other instruments.

 

Adjusting the Tuning (Temperament)

 

1

Equal

In this tuning, each octave is divided into twelve 
equal steps. Every interval produces about the 
same amount of slight dissonance.

2

Just (Major)

This tuning eliminates ambiguities in the fifths 
and thirds. It is unsuited to playing melodies and 
cannot be transposed, but is capable of 
beautiful sonorities.

3

Just (Minor)

The Just tunings differ from major and minor 
keys. You can get the same effect with the minor 
scale as with the major scale.

4

Arabic

This tuning is suitable for the music of Arabia.

5

Kirnberger

This is an improvement of the Meantone and 
Just tunings that provides a high degree of 
freedom of modulation. Performances are 
possible in all keys (

 

III

 

).

6

Meantone

This scale makes some compromises in just 
intonation, enabling transposition to other keys.

7

Pythagorean

This tuning, devised by the philosopher 
Pythagoras, eliminates dissonance in fourths 
and fifths. Dissonance is produced by third-
interval chords, but melodies are euphonious.

8

Werckmeister

This temperament combines the Meantone and 
Pythagorean tunings. Performances are 
possible in all keys (first technique, 

 

III

 

).

 

Specifying the Temperament Key

Temperament

Temperament key

Temperament

Temperament key

C

C

C

C

d

D

E

E

F

F

F

F

G

G

A

A

b

B

b_

B

A_

A

E_

E

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