How can i program my new radio in my car Opel Vectra?

The radio is Blaupunkt CD30 mp3|||i dont know specificaly for that car, but usualy you get to the radio frequency you want and then hold down the channel button you want e.g


if you want 102.3 fm on channel 2 you will tune to tht frequency then hold down the number 2 buttton until it usualy beeps.