PX- rc1. You provided steps to program the px-rc1 device that worke great, you also provided steps

Question

You provided steps to program the px-rc1 device that worke great, you also provided steps to program buttons on the remote with the original remote, are there steps to program the buttons without the original remote, its a hitachi tv needs to have enter key to access menu features to correct colour or maybe you can help me get the tv back to some kind of factory setting