— 8 —
CPD-2401
12
Additional Information
US
* If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a malfunction.
Picture is fuzzy
• Adjust the brightness and contrast (page 5).
• Degauss the monitor* (page 8).
• If CANCEL MOIRE is ON, the picture may become fuzzy. Decrease the moire cancellation
effect (page 8) or set CANCEL MOIRE to OFF.
Picture is ghosting
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
Picture is not centered or sized
properly
• Adjust the size (page 7) or centering (page 7). Note that some video modes do not fill the
screen to the edges.
Edges of the image are curved
• Adjust the geometry (page 7).
Wavy or elliptical pattern (moire) is
visible
• Cancel the moire (page 8).
x
Problems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform
• Degauss the monitor* (page 8). If you place equipment that generates a magnetic field, such
as a speaker, near the monitor, or if you change the direction the monitor faces, color may
lose uniformity.
White does not look white
• Adjust the color temperature (page 7).
Letters and lines show red or blue
shadows at the edges
• Adjust the convergence (page 8).
Monitor buttons do not operate
• If the control lock is set to ON, set it to OFF (page 8).
A hum is heard right after the
power is turned on
• This is the normal sound of the auto-degauss cycle. When the power is turned on, the monitor
is automatically degaussed for 3 seconds.
Symptom
Check these items
11
Additional Information
Warning Messages
If there is something wrong with the input signal, one of the following messages appears.
To solve these problems, see the “Troubleshooting” section below.
Troubleshooting
If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual.
1
Out of Scan Range
This message indicates that the current input signal is not appropriate for the monitor’s specificatons.
2
Power Save Mode
This message indicates that the monitor has reduced power consumption.
3
Check Signal Cable (self test pattern)
This message indicates that either no input signal is received, or the video cable is not connected.
Symptom
Check these items
No picture
If the
1
(power) indicator is not lit
• Check that the power cord is properly connected.
• Check that the
1
(power) switch is in the “on” position.
If the CHECK SIGNAL CABLE
message appears on the screen, or if
the
1
(power) indicator is either
orange or alternating between green
and orange
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets.
• Check that the HD15 video input cable’s pins are not bent or pushed in.
x
Problems caused by the connected computer or other equipment
• The computer is in power saving mode. Try pressing any key on the computer keyboard.
• Check that the computer’s power is “on.”
• Check that the graphic video board is completely seated in the proper bus slot.
If the OUT OF SCAN RANGE
message appears on the screen
x
Problems caused by the connected computer or other equipment
• Check that the video frequency range is within that specified for the monitor. If you replaced
an old monitor with this monitor, reconnect the old monitor and adjust the frequency range to
the following:
Horizontal: 30 – 85 kHz
Vertical: 48 – 120 Hz
Picture flickers, bounces,
oscillates, or is scrambled
• Isolate and eliminate any potential sources of electric or magnetic fields such as other
monitors, laser printers, electric fans, fluorescent lighting and televisions.
• Move the monitor away from power lines or place a magnetic shield near the monitor.
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90
°
to the left or right.
x
Problems caused by the connected computer or other equipment
• Check your graphic video board manual for the proper monitor setting.
• Confirm that the graphics mode (VESA, VGA, etc.) and the frequency of the input signal are
supported by this monitor (Appendix). Even if the frequency is within the proper range,
some graphic video boards may have a sync pulse that is too narrow for the monitor to sync
correctly.
• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.
INFORMATION
MONITOR IS WORKING
OUT OF SCAN RANGE
CHANGE PC SETTING
INFORMATION
MONITOR IS IN
POWER SAVE MODE
ACTIVATE USING PC
INFORMATION
MONITOR IS WORKING
CHECK SIGNAL CABLE
RED
GREEN
BLUE
WHITE