You can click on this link, which will let you open the pdf file of the manual for the C-1024.
[Link: bluedo.com]In the second paragraph, it says to call if you are using other than a Pronto remote, to call the Audio Authority Account Manager at 1-800-322-8436. They might be able to give you info on which learning remotes would work best.
You might ask them if a OneForAll 8810W would work. This remote is available at Walmart and sells for about $20, so if it worked it would be a good buy for you. Your profile gives no information of your location, so of course this suggestion would only work if you can get to a Walmart.