joema,
Before you give up, it might be worth a trip to Remote Central and tio have a look through the "Philips Pronto & Pronto Pro" and MX-700 .mxd/.mxf files. I would be amazed if someone hasn't come up with the discretes you need for the Yammie. Don't forget - if you can't find the specific model, try other models. They should all use the same codes. A quick look at the Pronto files yielded an awfully large number of 1400 and 1500 files. Discretes might be important enough to set aside a couple of hours to to search.
Also, search the "Discrete Hunter" and "Home Theater Master" forums over there.
