Sony PFM-500A2W User Manual

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The PFM-500A2W is equipped with an advanced scan
converter, which includes variable and offset phase
sampling and Four-Line Vertical Interpolation
technologies.  As such, it performs image conversion
more accurately than is possible with conventional
scanning methods. 
This scan converter can intelligently reproduce a wide
range of existing video signals (NTSC, PAL, HDTV) and
computer signals with horizontal frequencies ranging from
15.6 to 100.0 kHz.
Four-Line Vertical Interpolation reproduces optimum
images from various computer signals by utilizing the data
of four lines from the original signal to generate each
interpolated line.
Advanced Scan Converter
The PFM-500A2W incorporates a newly developed
brighter flat panel.  Now you can view clearer, brighter
images than ever before.  The front filter glass of the
panel has a non-glare finish that reduces diffused light
reflection.
New Brighter Flat Panel
PFM-500A2W
Four-Line Vertical Interpolation
Output signal on a single horizontal
line is recreated from neighbor four line
informations
A+B+C+D=1
A
B
C
D
M
Versatile and Flat Information Solution