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standard 50Hz picture
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first stage
In a standard 50Hz television the picture is created in two separate stages. For example, scan lines 1, 3, and
5 etc. are filled in first. Once this stage is complete scan lines 2, 4, and 6 etc. are filled. This means that after
these two stages all the lines on your television screen have been filled (625 in total) resulting in a complete
frame. This process is then repeated creating the picture you see on the screen of a conventional TV.
Progressive Scan
Hitachi's Progressive Scan TV's are constantly thinking ahead, filling in all the 625 scan lines in one
go to make up a complete frame. This progressive addition of extra line information produces a
picture that is brighter, more detailed than conventional televisions and displays the picture without
100Hz Natural Scan
Our 100Hz TV's create double the number of images per second, compared to a conventional
50Hz set. This delivers sharper, clearer, more stable total pictures which are flicker free. Our 100Hz
sets also feature "Natural Scan" technology. This process eliminates the slight trembling of lines on the
picture that is visible on conventional TV sets giving a rock steady picture which is clear and detailed.
To switch between Progressive Scan and 100Hz press the button (displayed alongside the title) on
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This method is known as an interlace scan.
Please Note: a standard 50Hz picture is not available on your model
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the line 'flicker' often associated with 50Hz sets.
When receiving a 60Hz NTSC signal, only progressive scan is available.
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your handset.
second stage
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