VGA Image Scan Line Generator Function:Arcade game video image produces the scan line effect,classic,nostalgia,Perfect recall of CRT.15KHZ video image display effect,Re-experience arcade game classic picture,Feel again the wonderful image of the scan line.<br> Colour:black<br> Material:ABS<br> <br> Scan Line Generator Function Switch Description:<br> VSYNC---Image resolution adapter switch(Change the resolution requirement).<br> ON/OFF--- The total switch of the scan line effect.<br> WIDTH---Width switch(Dual or Singular scan lines).<br> EVEN/ODD---Scan line odd or even number switch .<br> R G B--- Red Green Blue debugging(Mainly through three potentiometer debugging effect).<br> Description of vertical signals:<br> 1.If the scan line switch is ON,The scan line has no effect(image darker),This is vertical signal is out of sync.<br> 2.If you need scan line effect,Toggle (VSYNC) to switch sync, resulting in effect.<br> 3.If you don't need the scan line effect,switch is set to OFF,Image restoration to normal VGA state.(Darken image will restore brightness).<br> <br> Package Contents:<br> 1 x VGA Image Scanline Generator<br> <br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.