My Samsung Tv will only display a Freeview channel in the picture in picture,but I want to display my cctv camera in the picture in picture, Does anybody else's tv's display whatever source you want in picture in picture?

Mine does.....

The PIP input button allows me to scroll through all inputs.

I've got a couple of Sonys here, but they do PAP (picture and picture), not PIP.

I use it for what you want there (cctv), but would've preferred a PIP option.