Owner`s manual

 UNLOCKING THE MASTER TUNING:

1. Press and hold the SET piston.

2. Turn the Select Knob counter clockwise (left) until the Console Display reads:

MASTER TUNING

LOCKED A=440.0

3. Rotate the Alpha Dial until the Console Display reads “ADJUSTABLE” or

“MANUAL ADJ ONLY”.

4. Press General Cancel to return to the Transposer menu. Note: The Console

Display reads “TRANSPOSER 0 TUNING A=440.0” (default setting) when the

Master Tuning is unlocked.

 ADJUSTING THE PITCH:

1. Make sure the Master Tuning is unlocked.

2. The Console Display reads:

TRANSPOSER 0

TUNING A = 440.0

3. Rotate the Alpha Dial to adjust the tuning.

Note: When the organ is turned off, the tuning will return to the default setting

(A=440.0).

TEMPERAMENTS

In recent years, there has been a renewed interest in authentic interpretation of organ

literature written before the adoption of Equal Temperament tuning. Until the middle of the

18th century, the relative pitches of the notes of the scale were chosen to favor music written

in key signatures with few sharps or flats; more remote keys produced varying degrees of

aural distress. Many composers of the day utilized moderately out of tune intervals to evoke

momentary tension to the listener. With the adoption of the Equal Temperament (“Well-

Tempered”) tuning system, almost universal today, all keys became equally out of tune, and

the intentions of these earlier composers were lost, to some degree.

The Rodgers 795 offers a choice of eight temperaments: Equal, Mean-Tone, Kirnberger,

Werckmeister I, Werckmeister III, Young I, Young II and Pythagorean. This selection of

temperaments allows the organist to hear these historical works as their composers heard

them, or to explore the application of unequal temperament to new music.