How to turn the beam on and off?

To turn the beam on and off, locate the power switch or control mechanism, which may be a button, dial, or remote control, depending on the device. For many electronic devices, pressing the 'On' button will activate the beam, while the 'Off' button will deactivate it. If the device has a safety feature, ensure it is disengaged before attempting to turn the beam on. Always follow the manufacturer's instructions for specific guidance.