Projection Television User Manual
VIZIO M420NV User Manual 
74 
www.VIZIO.com 
Preset PC Resolutions 
If connecting to a PC through the RGB PC input, set the TV timing mode to VESA 1920x1080 at 60Hz for 
best 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. 
Mode No.  Resolution 
Refresh 
Rate 
(Hz) 
Horizontal 
Frequency 
(KHz) 
Vertical 
Frequency 
(Hz) 
Horizontal 
Sync 
Polarity 
(TTL) 
Vertical 
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 Reduce Blanking timing via the VGA card drive program (usually offered by the 
VGA Card Manufacturer), your TV set is equipped to have the 1920x1080 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  59.934 Hz 
Sync Polarity  P  N 
Pixel Rate (MHz)  138.5 
Refresh Rate (Hz)  60   










