BTTV 878 with PAL-G


i live in a Pal-G country. I have a TV-Capture card with a BT878 chip. But if i use xawtv or antoher software i can’t chose PAL-G and in PAL-NC is the picture in black an white. I want to burn tapes to DVD and in the video cassette recorder I can’t chance the Pal-Mode