Ro = Reeds Off; Vol. = Volume - Johannus Rembrandt 200 User Manual

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The 0-piston (cancel/undo) can be found at the far right under the lowest keyboard.The 0 piston
on the organ is duplicated. The 0-piston is also located to the right of the "T" piston.
The pistons have two functions. It may happen that you switch on a preset or add a stop by hand
by mistake. By pushing one of the "0" pistons short you will undo the latest change.
Example
You play the registration of Flute 8', Flute 4', and Flute 2'. After some time you add the Principal
8' and Pricipal 4'. There is always a very short time between switching on the Principal 8' and
the Principal 4'. By pushing a "0" piston briefly only the Principal 4 ' will be switched off (undo
the latest change). Not the Principal 8' as well as the Principal 4' will be switched off (according
to the organist this would be his last change.) Actually the organ sees the Flute 8', Flute 4', Flute
2' and the Principal 8' as the previous registration and the organist the combination Flute 8',
Flute 4', and Flute 2 as the last one.
When pushing a "0" piston longer all stops will be switched off at once. Exceptions are: the
couplers and tremulants when the FA piston is switched on and the stops Chorus and
Intonation 2.

RO = Reeds Off

Located to the far right of the presets is the RO (Reeds Off) thumb piston. By pushing this piston
all reeds will be switched off at once. As long as the RO piston is switched on no reeds can be
switched on. By pushing the RO piston again this function will be switched off.

VOL. = Volume

Independent from the position of the expression pedals you may adjust the total volume of the
organ with the piston VOL. in combination with the - and + pistons. The adjusted volume you
can store in the memory. When you switch on the organ the in the memory preprogramed
volume setting will automatically be chosen. If desired you can always change the programmed
volume setting again.
The memory of the volume adjustment is protected so that it cannot be erased when you switch
off the organ or when you unplug the organ from the main power.
The volume can be adjusted between 1 and 25. The choice of volume can be seen in the
display:
M e m :
T r a n s :
JOHANNUS JOHANNUS
User's Manual
1 V o l : 1 2 T u n e : 4 4 0
0 C r e s c e n d o : O f f
Rembrandt 200, 300, 2000 and 3000 AGO
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