LG 20LH1DC1 Installation And Operating Manual page 17

NOTE
To get the the best picture quality, adjust the PC
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graphics card to 1024x768, 60Hz.
Depending on the graphics card, DOS mode may
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not work if a HDMI to DVI Cable is in use.
Check the image on your TV. There may be noise
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associated with the resolution, vertical pattern,
contrast or brightness in PC mode. 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
Supported Display Specifications
HDMI/DVI-PC mode
Horizontal
Resolution
Frequency ( KHz )
640x480
31.469
800x600
37 .879
1024x768
48.363
1280x768
47 .776
1360x768
47 .720
1366x768
47 .130
VIDEO menu until the picture is clear. If the
refresh rate of the PC graphic card can not be
changed, change the PC graphic card or consult
the manufacturer of the PC graphic card.
Avoid keeping a fixed image on the screen for a
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long period of time. The fixed image may become
permanently imprinted on the screen.
The synchronization input form for Horizontal and
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Vertical frequencies is separate.
HDMI/DVI-DTV mode
Vertical
Frequency ( Hz )
59.94
60.31
1280x720p
60.00
59.87
1920x1080i
59.799
59.65
Horizontal
Resolution
Frequency ( KHz )
31.469
720x480p
31.500
44.960
45.000
33.720
33.750
Vertical
Frequency ( Hz )
59.94
60.00
59.94
60.00
59.94
60.00
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