To use a VR machine, start by ensuring the device is properly connected to a power source and compatible gaming console or computer. Adjust the head-mounted display (HMD) strap to fit comfortably on your head, ensuring the lenses are aligned with your eyes. Power on the device and follow the on-screen instructions to calibrate the tracking system, typically by moving the controller(s) in the designated area. Most VR machines feature motion controllers that mimic hand movements, so familiarize yourself with the button layouts for actions like grabbing, shooting, or menu navigation. For seated experiences, remain in the designated area; standing setups may require clearing a safe space to avoid obstacles. Calibrate the play area using the machine's built-in mapping tools, especially for room-scale VR. Before starting a game, adjust settings like interpupillary distance (IPD) and volume for optimal comfort. During use, take regular breaks to prevent motion sickness, and always remove the HMD carefully to avoid damage. After use, store the VR machine in a cool, dry place, and clean the lenses with a microfiber cloth. For specific models, refer to the user manual provided by EPARK Electronic, which offers detailed steps for setup, calibration, and troubleshooting. If encountering issues, contact their customer support for prompt assistance.