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You did not say what device you have. In any case, with my VeraLite I unplug it, press the battery button for a couple of seconds and wait until the blue light is solid and the orange light starts blinking slowly. At this point the device is in “include” mode. To switch it to “exclude” mode click the “minus” button on the box. After that the orange light should start blinking faster indicating it’s in exclude mode.
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