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)
Vertical 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
