How do I make a canon 350d do slow sync flash photography?

I read this article:


http://digital-photography-school.com/sl鈥?/a>


but I can't work it out. The best I've managed to do is to get the flash to go at the start and at the end.How do I make a canon 350d do slow sync flash photography?
Search up ';flash'; in the index of your user manual. It should show you how to set the flash mode to ';slow-sync';. It's either in the menus, or as in my camera, you press the flash button and rotate a dial to get the desired mode.