Reprogramming an AI hydra 26

[Grumpytank]

I bought a used AI Hydra 26. How do I reprogram it work with my two other units

 

[Crabs McJones]

You'll want to do a factory reset on it. Unplug it, press and hold the button and plug it back in. continue to hold the button until the light turns red. let go of the button and it should start flashing green and blue, at that point it's ready to be setup