You need to configure the port for each string to include the three null pixels as a "virtual string" section, ensuring those specific pixels are designated as "null" on the controller side.
Navigate to your Port Configuration page on the Falcon Controller's web interface.
Find the port...
I found gorilla mounting tape works pretty good aswell
https://www.amazon.com.au/Gorilla-Double-Sided-Mounting-Heavy/dp/B08DFQSD49?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=ANEGB3WVEVKZB
2.4 GHz vs. 5 GHz: What Actually Matters
2.4 GHz (slower but more reliable)
Longer range
Penetrates walls better
More resistant to dropouts at distance
More crowded (microwaves, neighbors, Bluetooth)
Lower top speed
5 GHz (faster but touchy)
Higher speeds
Much shorter range
Easily disrupted...