Apple Logic Pro 7.2 - Manual (Page 51)

Chapter
2
Logic
Control 51
Holding
down
the
x/ALT
button
sets
the
V-Pots
to
high
resolution
parameter
adjustment
(fine)
mode,
where
applicable.
Holding
down
the
OPTION
button,
and
turning
the
V-Pot,
switches
between
the
minimum,
default,
and
maximum
parameter
value.
Rec/Rdy
(Record/Ready)
Button
This
button
arms
or
disables
the
channel
for
recording.
Each
channel
features
an
independent
Rec/Rdy
LED
which
is
lit
when
a
track
is
armed
for
recording.
Holding
down
the
OPTION
button,
while
pressing
any
channel’s
REC/RDY
button
will
disarm
all
tracks.
In
Global
view,
if
you
arm
an
audio
channel
which
is
currently
not
used
by
any
track
in
the
song,
and
then
start
recording,
you
will
be
asked
if
you
want
to
create
a
new
track
with
this
audio
channel
in
the
current
recording
folder.
Signal
LED
Indicates
the
presence
of
any
outgoing
MIDI
or
audio
signal.
When
recording,
the
presence
of
an
incoming
signal
will
be
indicated.
SOLO
Button
For
isolating
a
channel’s
signal.
Each
channel
features
an
independent
Solo
LED
which
illuminates
when
a
track
is
soloed.
The
Rude
Solo
LED—just
to
the
right
of
the
Position/
Time
Display
LED—also
illuminates
whenever
any
track
is
soloed.
Holding
down
the
OPTION
button,
while
pressing
any
channel’s
SOLO
button
will
disable
solo
for
all
tracks.