Long, continuous blink:
The HD digital adapter is in hunt mode and not ready for activation. If you tried to activate, it will fail. Wait for two short blinks and a pause, and then try again.
Three short blinks:
The HD digital adapter is updating. Wait for two short blinks and a pause, and then try again.
Ongoing blinking or not blinking:
Try other cable wall outlets. (Not all in-home outlets are active.) If you've tried multiple outlets and still can't connect, contact us.