LG 42LH50 Owner's Manual page 38

EXTERNAL EQUIPMENT SETUP
NOTES
!
To get the the best picture quality, adjust the PC
G
graphics card to 1920x1080.
Depending on the graphics card, DOS mode may
G
not work if a HDMI to DVI Cable is in use.
In PC mode, there may be noise associated with
G
the resolution, vertical pattern, contrast or bright-
ness. If noise is present, change the PC output to
another resolution, change the refresh rate to
another rate or adjust the brightness and contrast
on the PICTURE menu until the picture is clear.
Avoid keeping a fixed image on the screen for a
G
long period of time. The fixed image may become
permanently imprinted on the screen.
38
The synchronization input form for Horizontal and
G
Vertical frequencies is separate.
Depending on the graphics card, some resolution
G
settings may not allow the image to be posi-
tioned on the screen properly.
If there are overscan in HDMI-PC 1920x1080,
G
change aspect ratio to Just scan.
When selecting HDMI-PC, set the "Input Label -
G
PC" in the OPTION menu.
The TV provides EDID data to the PC system
G
with a DDC protocol. DDC protocol is preset for
RGB (Analog RGB), HDMI (Digital RGB) mode.