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Unter => Control Mode =>MIDI => 3.4 System Parameter=> Automation =>Default Setting = Off oder On?
Auszug aus dem LEXICON PCM 81 User Guide Rev2
AUTOMATION
SYSEX AUTOMATION
The PCM 81 will transmit SysEx automation messages when
Control Mode parameter 3.4, MIDI Automation is set to On. All
changes made by front panel operations are transmitted as PCM
80 SysEx messages. This is intended primarily for use by editor programs
and in configurations where it is desirable for one or more
PCM 81s to be client to a single PCM 81 acting as a host. The
current mode (Program Banks, Register Banks, Edit, Control or
Tempo) of the Client does not follow the host, but the actual
parameter values do. (SysEx automation can also be stored on a
sequencer and replayed in real-time. As a general rule, automating
more than two or three SysEx program changes at once is not
recommended.) Because messages are transmitted as PCM 80
messages, either PCM 80s or PCM 81s can be client to the host.
The PCM 81 can receive SysEx messages when Control mode 3.7
MIDI SysEx is set to Receive On. Note that when using SysEx
automation, the device of the receiving PCM 81 must match the
Target ID of the transmitting PCM 81.
The Target ID setting can be adjusted from Control 3.4 MIDI
Automation. It is selected by pressing Load/✱ after setting
Automation to On. The default setting for the Target ID is All.
The Device ID setting can be adjusted from Control mode 3.7 MIDI
SysEx. It is selected by pressing Load/✱ after setting SysEx to
Receive On. The default setting for the Device ID is 0.