Sync on Green and a500 ntsc composite out with a Dell E2414

 So I had a cable that takes VGA and connects the RGB lines to component RCA jack outputs which is supposed to be used for projectors that take YPbPr input using the VGA port.  It's just a passive cable.

Some dell monitors have the option to choose between RGB color and YPbPr, so I hooked the component output from the RGBS to YPbPr adapter to the VGA input of the Dell E2414.

 

A500 NTSC buffered VGA adapter --> RGBS to YPbPr adapter --> component to VGA cable --> Dell E2414 VGA input.

 

It displayed the image just fine, and after I switched the color to YPbPr.

So this got me thinking, isn't the A500 mono composite out basically like the Y channel?

I hooked up the A500 monochrome composite video output to the Y component jack and the Dell E2414 displayed it just fine.  I believe that it's because it supports SOG Sync on Green.

Switching to YPbPr colors makes the screen black and white, and selecting RGB colors makes it green (which makes sense because only the green Y is hooked up).