Thanks for using our answers forum! I do apologize for any inconvenience you're experiencing with obtaining the proper SlingRemote. I would recommend trying a similar model if your specific model isn't listed through set up. Beyond that you can also submit a request for your particular model to be added to the list, this can be done right here within our answers forum.
Here is a direct link to our Remote Control Requests:
Hope this helps!
The Sling Moderation Team