Slide the plastic leveling feet onto the bottom of each leg. These screw in/out to stabilize the desk if your floor is uneven.
The device is engineered for maximum throughput and stability: : It typically supports PCIe 3.0 or 4.0 Zenox Zpc-ep1 Manual
Why does the Zenox ZPC-EP1 manual matter more than others? Unlike cheap single-motor desks (Flexispot, cheap Monoprice), the ZPC-EP1's dual motors require synchronization . The manual's reset sequence is unique to Zenox. If you lose it, generic desk reset instructions (press up/down together) will work. You need the specific Zenox plug-while-holding-Down procedure. Slide the plastic leveling feet onto the bottom of each leg
Try searching:
Plug the phone-cable-like connector into the port marked "Handset" or "Panel" on the control box. Zenox Zpc-ep1 Manual