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(5) Confirm your choice by pressing [QUICK¥MENU].
(6) Use the Select knob to choose the "Expression"
parameter.
(7) Use the data entry wheel to select "Off", "Vol", or
"Exp".
(8) Save your settings if you wish to keep them.
See page 54.
(9) Press and hold the [ø¥EXIT] piston to return to the
main page.
Global MIDI settings
In addition to the various MIDI parameters that can be
stored relative to individual MIDI couplers, there are a
number of global MIDI settings that affect the entire
538/i548.
All Notes Off
Occasionally, it is desirable to send a MIDI "All Notes
Off" message from a keyboard to reset notes played by
external equipment.
Press [0] + [SET]. An "All Notes Off" message will be sent
on all 16 MIDI channels from the 538/i548's MIDI OUT
port.
Master channel
Much of the discussion about MIDI so far has dealt with
the actions of the MIDI couplers; those controls that
allow you to play the instruments in an external MIDI
sound module. However, the stops and divisions of the
538/i548 can also be recorded by a sequencer and
played back, either with or without sounds from an
external sound module.
In order to keep the sounds of the organ separate from
those of a MIDI sound module, certain Master Channels
have been reserved specifically for the 538/i548. One
channel is reserved for each division:
PEDAL Channel
MANUAL I Channel
MANUAl II Channel
The 538/i548 sends and receives note and volume
information on these channels unless they are disabled.
Most likely, the Master Channels will always be enabled
in your situation; however, there are a few unique
setups where it might be desirable to suppress the
transmission or reception of information for one or
more organ divisions.
When controlling the 538/i548 from an external MIDI
keyboard, sending note information from the keyboard
to the organ on a Master Channel will cause the
respective keyboard or pedalboard to play. For example,
sending notes on channel 12 will cause the same effect
as playing those identical notes on the MANUAL I
keyboard.
Enabling or disabling a MIDI Master channel
The status of each Master Channel can be set
individually using the following procedure. Available
options are: "Snd&Rcv" (send & receive, the normal
mode), "SndOnly" (send), "RcvOnly" (receive) and "Off"
(neither transmit, nor receive).
(1) Press [QUICK¥MENU].
(2) Use the Select knob to select "MIDI Setting".
(3) Confirm your choice by pressing [QUICK¥MENU].
(4) Choose "General" with the Select knob.
(5) Confirm your choice by pressing [QUICK¥MENU].
(6) Use the Select knob to choose the "Master Ch"
parameter.
(7) Use the data entry wheel to select the desired
option.
(8) Save your settings if you wish to keep them.
See page 54.
(9) Press and hold the [ø¥EXIT] piston to return to the
main page.
Registrations (Stop Change)
In addition to note and volume information sent on the
Master Channels, the 538/i548 sends and receives MIDI
information related to registrations. This information
14
can be used to control the stops and couplers of a
separate Rodgers organ or, more commonly, can be
12
recorded by a sequencer (along with the note and
13
volume information on the Master Channels) and then
recreated during playback.
Registration information is normally transmitted and
received in the form of System Exclusive (SysEx)
messages. Each time there is a change in a stop or
coupler, a SysEx message is generated by the organ that
Rodgers 538/i548
51
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