Need help understanding some IR codes.

I have a AVTools matrix unit and no remote. I have contacted the manufacture and they sent me a pdf of the IR codes to control the unit. I am not sure what I need to do to convert them for use with my USB-UIRT. Any help most welcome.
http://www.haoi.co.uk/tmp/IR-04FB-AVT-5642MX.pdf
Thanks
Davie
http://www.haoi.co.uk/tmp/IR-04FB-AVT-5642MX.pdf
Thanks
Davie