lampino

hello, i baught samsung dvr sds p-3042 and i wanted to use it with old cameras , but i found my old cameras works on PAL system and the DVR works in NTSC system and i cant find any way to switch thew DVR from ntsc to PAL is there anyway to switch the DVR to PAL ? NOTE : old cameras works but the picture is white and black only , and when i try to use the camera which came with the DVR ( NTSC camera ) it works well