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'Unknown Monitor' message appears when the monitor is connected.
'CONTROLS LOCKED' message appears.
Note
every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second.
The unit is Hz.
horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal
frequency. The unit is kHz.
Troubleshooting
No image is displayed
• See if the power cord is properly connected to the
outlet.
• See if the power switch is turned on.
• Adjust brightness (
• If the monitor is in power saving mode, move the
mouse or press any key.
• The signal from the PC (video card) is out of the
vertical or horizontal frequency range of the
monitor. Adjust the frequency range by referring
to the Specifications in this manual.
D-Sub : 1280x1024 @60Hz
DVI-D : 1280x1024 @60Hz
• The signal cable between PC and monitor is not
connected. Check the signal cable.
• Press the 'SOURCE' menu in the remote
controller to check the input signal.
• Install the monitor driver, which is provided with
the monitor, or download it from the web site.
(http://www.lge.com)
• See if the plug&play function is supported by
referring to the video card user manual.
• The control locking function prevents unintentional
OSD setting change due to careless usage. To
unlock the controls, simultaneously press the Menu
button and
this function using the remote controller buttons. You
can set this function in the monitor only.)
To enable the user to watch the monitor display, screen image should be changed tens of times
The horizontal interval is the time to display one vertical line. When 1 is divided by the
A39
) and contrast (
button for 5 seconds. (You cannot set
) again.
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