One power button to turn your dock on and off as needed.
3a. For Thunderbolt 3 or Thunderbolt 4 host, connect one end of the USB-C cable to a Thunderbolt port on the host laptop.
3b. For USB-C Alt Mode host, connect one end of the USB-C cable to a USB-C port on the host laptop.
4. Connect the other end of the USB-C host cable to the USB-C host port on the front of the dock. Twist the screw lock connector to the right to align it with the lock slot on the dock.