Amazon.com: 6FT Cable for Logitech Harmony Remote Compatible with 600, 650, 700, Ultimate, Ultimate One, Touch & Elite for Data Transfer USB Programming sync : Electronics
Harmony Sync Issues
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Chris Coyier on Twitter: "Ufhfhdks this stupid @Logitech Harmony remote won't sync. Stuck at 58% every time. I've tried setting up a half dozen times. Just entirely broken/useless. 😥 https://t.co/qgEDi3kOm8" / Twitter
Troubleshoot Remote Not Responding
Syncing changes to or from Harmony
What to do when your audio and video are out of sync