The RC-866M is the remote. What you need to do is add the codes for your Onkyo receiver into the ATT remote. There are 4 or 5 different Uverse remotes, but most can be reprogrammed by pressing the 'Menu' and 'OK' button together. First add your Onkyo codes to the ATT remote as an 'aux' device. After that is working, you can control the power and volume by adding the 'aux' device (Onkyo) to the power and volume buttons on the uverse remote.
These are all the different Onkyo Receiver codes:
Onkyo: 5002, 5018, 5073, 5074, 5075, 5076, 5077, 5078, 5079, 5080, 5081, 5082, 5084, 5085, 5086, 5087, 5130, 5131, 5140
This is how to reprogram the S10 style of Uverse remote:
http://www.att.com/support_media/images/pdf/uverse/standard_black_remote_control_uverse.pdf
I have a starting point now
Thanks
Mine is from 1994, was used at the local school. They got new tv's and gave me this but did not have a remote for it. I bought a universal remote but the codes for it don't work. It is a 3 digit number.
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