What do they do exactly?:confused:
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What do they do exactly?:confused:
it changes the video signal frequency from 50hz (PAL) to 60hz (NTSC). in places like europe were PAL is standard, it can display up to 625 lines of resolution on a tv. here in the us ntsc is standard which can display only 525 lines of resolution.
ooo, so its just video purposes. Thank you.