32
Troubleshooting
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Symptom
Possible Cause
Remedy
No picture is displayed
1. The power cord is disconnected.
2. The main power switch on the back
of this Display is not switched on.
3. The selected input has no connection.
4. The display is in standby mode.
1. Plug in the power cord.
2. Make sure the power switch is
switched on.
3. Connect a signal connection to this
Display.
Interference displayed on this Display
or audible noise is heard
Caused by surrounding electrical
= !
Move this Display to another location to
see is the interference is reduced.
Color is abnormal
The signal cable is not connected
properly.
Make sure that the signal cable is
' # '!
Picture is distorted with abnormal
patterns
1. The signal cable is not connected
properly.
2. The input signal is beyond the
capabilities of this Display.
1. Make sure that the signal cable is
'!
2. Check the video signal source
to see if it is beyond the range
of this Display. Please verify its
& '
!
+@
Picture is not displayed correctly.
Picture signal might be not received
correctly.
At once, select other input source, then
back to intended input source.
@
@
The zoom mode is not correctly set.
Use the Zoom mode or Custom zoom
[
display geometry and time frequency
parameter.
?#
Improperly connected source signal
cable.
Make sure that both video inputs and
sound inputs are correctly connected.
Can see picture but no sound is heard
1. Improperly connected source signal
cable.
2. Volume is turned all the way down.
3. [
MUTE
] is turned on.
4. No external speaker connected.
1. Make sure that both video inputs and
sound inputs are correctly connected.
2. Press [
] or [
] button to hear
sound.
3. Switch MUTE off by using the [
MUTE
]
button.
4. Connect external speakers and adjust
the volume to a suitable level.
Some picture elements do not light up
Some pixels of this Display may not turn
on.
This display is manufactured using
an extremely high level of precision
technology: however, sometimes some
pixels of this Display may not display.
This is not a malfunction.
After-Images can still be seen on this
Display after this Display is powered
@@!, @
and images displayed in 4:3 normal
"
A still picture is displayed for an over
extended period of time.
Do not allow a still image to be displayed
for an extended period of time as this
can cause a permanent after-image to
remain on this Display.
