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Hello,Thank you for using justanswer.com, my name is Joe and I will be glad to assist you with your concern today.
I completely understand what you are trying to do but I hope you understand where I am coming from, even if we do get a universal remote to work for you the only universal ones that I have really seen that will control all functions are expensive remotes and or smart programable remotes and I mean $100+ and right around there. With that said I can say that it is most likely this remote you have is not going to control all functions of the projector and the very best professional advice I can give is to purchase another factory remote for the unit if the old one is truly bad:
Hex codes: http://www.hitachi-america.us/products/consumer/tv/support_contact/download/remote_ir_codes/
You can try some not mentioned above:
009 059 061 079 088 091 137 139 140 142 143 144 145 146 179 210
If you still need further assistance just let me know.