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VIZIO VF551XVT User Manual
28
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Preset PC Resolutions
If connecting to a PC through the RGB PC input, set the TV timing mode to VESA 1920x1080 at 60Hz for
better picture quality (refer to the graphic card’s user guide for questions on how to set this timing mode).
See the table below for the factory preset resolutions. Also see Resolution through RGB Input chart below
for the best resolution available through RGB PC input when video card supports 1920x1080 resolution.
Mode No. Resolution
Refresh
Rate
(Hz)
Horiz. Freq
(KHz)
Vert Freq
(Hz)
Horiz
Sync
Polarity
(TTL)
Vert Sync
Polarity
(TTL)
Pixel
Rate
(MHz)
Remark
1 640 x 480 60 31.469 59.941 N N 25.175 Windows
2 640 x 480 75 37.500 75.000 N N 31.500 Windows
3 800 x 600 60 37.879 60.317 P P 40.000 Windows
4 800 x 600 72 48.077 72.188 P P 50.000 Windows
5 800 x 600 75 46.875 75.000 P P 49.500 Windows
6 1024 x 768 60 48.363 60.004 N N 65.000 Windows
7 1024 x 768 70 56.476 70.069 N N 75.000 Windows
8 1024 x 768 75 60.023 75.029 P P 78.750 Windows
9 720 x 400 70 31.469 70.087 N P 28.322 DOS
10
◎1920 x 1080
60 66.587 59.934 P N 138.50 Windows
Note: P: positive, N: negative, ◎: Primary mode
Resolution through RGB Input
If your PC supports VESA Reduced Blanking timing via the VGA card drive program (usually offered by
the VGA Card Manufacturer), your TV set is equipped to have the 1920 x 1080 resolution display through
this connection using the following timing 138.5MHz. The following parameters are often the values
required by the software or programs to set up the display:
Parameters Horizontal
Values (Pixels)
V
ertical Values
(Lines)
Address
1920 1080
Front Porch
48 3
Sync Width
32 5
Back Porch
80 23
Total
2080 1111
Frequency
66.587 kHz 58.934 Hz
Sync Polarity
P
N
Pixel Rate (MHz)
138.5
Refresh Rate (Hz)
59.934