Yamaha TX 816 - Page 5

This
lights
up
when
a
module
is
switched
to
INDlVIDUAL,to
receive
MIDI
signals
via
its rear
panel MIDI
IN terminal.
8.
COMMON LED
(orange)
This lights
up when a
module
is switched
to
COMMON
to
receive
MIDI
signals
via
the
front panel MIDI
IN terminal.
9.
MEMORY PROTECT
LED
(red)
This lights
up when
the TF1
's
internal
Memory
Protect
feature is
turned
on. When
you
turn
on the
power
to the TX81
6,
this will always
be turned
on. The
only reason
for
turning off
the
Memory
Protect
feature
is when
you wish
to store new
data.
This LED
will
light
for
a
few
seconds
while
the
data is being stored.
It
should
then
always
be turned on
again.
10. SWI-The
MIDI IN
SelectfData Entry
Key
This is
a
multi
purpose
push-button
feature
that
enables
you to select
COMMON
or
INDIVICUAL
MIDI
input, and
sets data
and
selects functions,
according
to which
mode
the module is
in. Generally
referred
to as
"SW1
"
(switch one),
it can
act as
a
"
Yes",
"On"
,
or
"+1"
key.
When
entering
numerical
data,
pressing
this
button
will
add
one
to
the
data
number,
while
holding
it down
will
usually
increase
the
data number
at a rapid
rate.
11. SW2'THE
MEMORY
PROTECT/Data
Entry
Key
This
turns
the Memory
Protect
feature
on or
off. It
aslo
functions similarly
and
opposite to
SW1
,
and
is ususlly
called
"
SW2" (switch
two) and
can
act as
a
"No",
"Off" or
"-1"
key,
with
the same
press/hold
dkown
operation
modes.
12. SW3-The
MODE SELECT
Key
This is
an ingenious
multi-purpose
key that
enables
you
to
switch
between
the
TX816's
four main
modes
and
their
14
Sub- modes,
as
follows:
when
you hold
this key
down
it
will cycle
through
the
four
main
modes
(indicated
on the LED
Display)
and
you select
a
mode
by releasing
SW3 when
you see the
appropriate
display.
You
select
a sub-mode
by pressing
quickly
once
or up to
four
times,
as
explained
in
the
chapters
on
each main
mode.
13. LED
DISPLAY
This
dispalys
numbers,
letters
and
symbols
to keep
you informed
of the current
mode
or
sub-mode
status of
the
module,
as well
as showing
parameter values
during
editing.
When
the
TX81
6
is turned
on it will
display the
voice
number
that
was last
selected.
14. PARAMETER
CHANGE
LED(green)
This
flashes
whenever
there
is
a parameter
change due
to
new
voice
data or function
data being
sent from
an external
source.
It
will
not light
up
for
any
parameter
changes
made by
the
keys on
the front
panel
off the
module.
15.
ERROR
LED(red)
This
lights
up
if
there
is
any kind of
data error or
fault inside
the TF1,
and
is
ac-
companied
by a
number
on the LED
Display,
indicating
the
thpe of error.
These
are listed
in
the
PRECAUTIONS
section.
The error display
can
be
cancelled
by
pressing SW1
, SW2 or
SW3.
16.
PULL-OUT
OPERATIONAL
GUIDE FOR
TF1
Underneath
module
4 you
will
see
the
tab of a
pull-out
plastic
sheet
which
gives