here is the link.it should have a few interesting things for you:
if not, just ask welcome to the dark side.
It depends on the type of paper you are using, but Ilford gives an excellent guide to contrast, as well as how to use color heads for black and white printing here:
You'll see they provide suggested settings for color heads made by a wide variety of manufacturers, including Paterson, on page 3.
There are some useful links cropping up with some very interesting information.
Johnielvis, my darkroom is currently being built and dismantled in the bathroom as and when required, I have been careful with light leak (using lots og Gorilla tape), a sheet of ply and lots of light proof fabric to cover the window. Once I finish patching things up I turn all the lights off and wait for my eyes to adjust and then patch up any leaks.
I will inspect the lens when I get home and give it a clean if necessary, the safe light is appropriate for the paper but thinking about it, it is sometimes within 4 feet of the paper instead of the recommended 6 feet so I will try shifting it back a bit too.
Thank you all for your sugestions, hopefully if all goes well on Wednesday I will be taking A-Level photography at college this year which will no doubt help me out.