This video shows a simple step by step procedure to uncrate and set up your new Atlas WB-42 wheel balancer. It will probably take you longer to uncrate the balancer than it does to do the assembly.
This video shows every step needed to calibrate you Atlas Wheel Balancer. If you are too lazy to read the Quick Start Guide that comes with each Atlas Wheel Balancer, then you need to watch this video to learn how to calibrate your machine.