Owner's Manual
A12
Troubleshooting
Check
the
following
before
calling
for
service.
SELF
DIAGNOSTICS
message.
The
signal
cable
is
not
connected,
or
is
loose.
Check
and
secure
the
connection.
OUT
OF
FREQUENCY
message
appears.
The
frequency
of
the
signal
from
the
video
card
is
outside
the
operating
range
of
the
monitor.
*
Horizontal
Frequency
:
30-61kHz
*
Vertical
Frequency
:
50-120Hz
Use
the
graphics
board's
utility
software
to
change
the
frequency
setting
(Refer
to
the
manual
for
graphics
board).
The
power
LED
is
illuminated
amber.
Display
power
management
mode.
There
is
no
active
signal
coming
from
the
PC.
The
signal
cable
is
not
fastened
securely.
Check
the
computer
power
and
graphics
adapter
configuration.
The
image
on
the
SCREEN
is
not
centered,
or
too
small,
or
not
a
rectangle
shape.
Image
adjustment
not
been
done
yet
in
the
current
operating
mode.
Use
the
MENU,
SELECT
and
buttons
to
set
the
image
to
your
liking.
The
monitor
doesn't
enter
the
power
saving
off
mode
(Amber).
Computer
video
signal
is
not
VESA
DPMS
standard.
Either
the
PC
or
the
video
controller
card
is
not
using
the
VESA
DPMS
power
management
function.
An
abnormal
picture
is
displayed
on
the
screen.
For
example,
the
upper
part
of
the
picture
may
be
missing
or
dark.
If
using
certain
non-VESA
Standard
video
card,
an
abnormal
picture
may
be
displayed.
Try
setting
it
to
one
of
the
factory
preset
modes,
or
selecting
to
a
resolution
and
refresh
rate
within
the
specification
limits
of
the
monitor.
NOTE
If
the
power
indicator(LED)
light
is
blinking
amber,
may
result
in
abnomal
condition
of
the
monitor.
Then
press
a
power
ON/OFF
button
on
the
front
panel
control
and
call
your
service
technician
for
more
information.










