I assume you have already done a proper Forum Search for your model number in case other people have already answered your question ?
If so and that didn't help then check out this thread: https://community.sling.com/message/10363#10363
Come back if it that doesn't help either.
I am on charter and the software remote that appears to be the same as my physical remote would not connect and run. I was trying to connect with
a 8640HDC model which looked correct. I reconfigured with the 8600 and the software version looks different but connects and all the functions are connecting. I would hazard a guess that our cable box has some backwards compatibility with older remote control models. Thank you for your assistance.
I picked up a Pro HD model and configured it on my network but i can't get the remote to work with Charter using a Explorer 8640HDC cable box. When I try to
select the cable box input it gives me an Explorer 8640 and it looks good but won't change the channels for me. It does mute and change the volume but it
won't change the channel. Anyone have any idea what's wrong. Thanks.