Apple Logic Express 7.2 - Manual (Page 41)

Chapter
1
Control
Surface
Setup 41
Automation
Group
If
you
choose
the
Automation
Group
option
in
the
Class
menu,
you
can
use
the
assignment
to
set
an
automation
group
parameter.
A
Parameter
Group
field
that
allows
you
to
determine
the
edited
group
appears
below
the
Class
menu.
Current
(entered
with
“0”)
means
the
group
selected
in
the
Automation
Group
Control
Surface
Group
parameter.
The
additional
Parameter
menu
allows
you
to
set
the
automation
group
parameter.
For
further
information,
see
the
Group
Settings
section
in
the
Logic
Pro
7
Reference
Manual.
MIDI
Input
Incoming
MIDI
messages
are
only
processed
on
MIDI
Input.
When
this
parameter
is
changed,
all
other
assignments
using
the
same
input
will
also
have
their
input
changed
accordingly.
If
the
assignment
belongs
to
a
supported
control
surface,
the
device’s
MIDI
Input
will
also
change
in
the
Setup
window.
This
feature
allows
you
to
create
default
assignments
for
a
new
control
surface,
which
other
users
can
use
immediately.
To
do
so,
they
simply
need
to
place
your
com.apple.Logic.cs
preferences
file
into
their
Preferences
folder,
open
the
Controller
Assignments
Editor
and
change
one
assignment’s
MIDI
Input
parameter
in
accordance
with
their
MIDI
setup.
Value
Change
The
incoming
MIDI
message(s)
that
cause
a
value
change
in
the
destination
parameter
are
displayed
here.
To
edit
these
MIDI
messages,
switch
to
the
Expert
View
by
activating
the
corresponding
checkbox
in
the
upper
right
corner
of
the
Controller
Assignments
Editor.
In
the
Expert
View
you’ll
find
two
fields:
the
lower
one
is
only
a
display
that
shows
the
Value
Change
message
in
plain
text.
The
upper
field
display
allows
the
messages
to
be
viewed
and
edited
as
a
sequence
of
bytes,
displayed
in
hexadecimal.
There
are
placeholders
for
the
variable
part:
Â
Lo7:
Low
7
bits
of
the
value
 Hi7:
High
7
bits
of
the
value
If
there
is
only
a
Lo7
placeholder
in
the
message,
the
value
is
treated
as
7
bit.
If
there
is
also
a
Hi7
placeholder,
the
value
is
treated
as
14
bit.
The
order
of
Lo7
and
Hi7
is
honored,
and
there
may
be
constant
bytes
in
between.
This
allows
you
to
define
Control
Change
LSB
and
MSB
portions.
As
an
example:
B0
08
Hi7
B0
28
Lo7
Note:
When
entering
multiple
MIDI
messages,
do
not
use
Running
Status.
Always
write
down
the
entire
MIDI
message(s),
ensuring
that
you
repeat
the
status
byte,
even
if
it’s
the
same.