User Manual Opus 250/350
15
Cantus Firmus (CF):
Cantus firmus: Latin for ‘fixed voice’ or in organs ‘solo voice’ or ‘melody coupler’.
Couples the Swell monophonic to the Great. Only the highest key that is played on
the Great is coupled from the Swell to the Great.
With use of a solo registration on the Swell in this way a solo is heard while
playing only on the Great.
If only the highest key of a chord is released, the key activated by the Cantus
Firmus function is dropped until a new highest key is played.
Activate the Cantus Firmus with the CF piston.
4.7
Accessories
CH: Chorus
Chorus is a function for lightly detuning the organ stops to give it a broader and
livelier sound. Use the CH piston to activate the Chorus.
RO: Reeds Off
Reeds off is a function to switch off all reed stops simultaneously. As long as this
piston is pressed, no reed stops can be activated. When this function is switched
off, the reed stops that were on are activated again. Use the RO piston to activate
the Reeds Off function.
S/S: All swells to swell
All Swells to Swell transforms the swell pedal for the Swell to a swell pedal for the
whole organ.
0: Recall / Reset function
The 0 piston cancels registration in two ways:
1. A short press on the 0 piston: Only the last change is cancelled.
2. A long press on the 0 piston: All registrations are cancelled.
KT: Keyboard Transfer
(Opus 350 only)
:
Keyboard Transfer is a function to switch the manuals of the Positif and the Great.
When Keyboard Transfer is active manual 1 is the Great manual and manual 2 is
the Positif manual. Activate the Keyboard Transfer with the KT piston.
4.8
Pre-programmed memory locations
Pre-programmed memory locations are available by operating pistons PP to T and
PL. These seven memory locations have factory settings (presets) appropriate for
the quiet pianissimo to the loud tutti and the classic plenum.
It is advisable not to use the Cantus Firmus in combination with the coupler
SWELL - GREAT because this overrules the solo function of the Cantus Firmus.
If no expression pedal is configured as a swell pedal for the Swell, the S/S piston
cannot be activated.
Summary of Contents for Opus 250
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