Front
Panel
Layout
The
face
of
an
XPA
‐
5
is
shown
above.
Although
there
is
variation
within
the
X
‐
Series
amplifiers
faceplates,
the
basic
features
are
the
same:
a
power
button
and
LED
Status
window.
1.
Front
Panel
LED
Display
The
front
panel
display
contains
Status
LED
lighting
to
indicate
the
operation
status
of
the
amplifier.
•
NO
LED
=
Amplifier
is
OFF
•
BLUE
LED
=
Normal
Operation
•
FLASHING
RED
LED
=
Fault
Condition
‐
see
“Troubleshooting”
section
for
details.
Note:
The
back
panel
of
each
amplifier
has
an
LED
Status
Selector
which
can
turn
the
blue
LEDs
off.
2.
Front
Panel
Power
Switch
This
switch
provides
the
ON/OFF
control
of
the
amplifier
from
the
front
panel.
When
the
unit
is
off
and
in
standby
mode,
the
switch
illuminates
amber.
Automatic
switching
is
accomplished
with
the
3.5mm
trigger
input
on
the
back
panel
using
a
5
‐
12V
DC
control
signal.
Note
On
Amplifier
Supports:
Do
not
remove
the
supports
or
‘feet’
from
your
amplifier.
In
addition
to
minimizing
vibration
and
insulating
the
amplifier
from
the
surface
it
is
placed
on,
these
feet
are
essential
in
allowing
airflow
under
the
amplifier
for
proper
cooling.
12
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