Using the MTAR™-SDS is easy. First, turn it on by pressing the power button. You can adjust the settings according to your needs, like brightness and zoom level. When aiming, make sure to align the scope with your target carefully. As for detection and observation, just point it in the direction you want to look. Remember to keep it away from extreme temperatures and humidity. After each use, clean the lens gently with a soft cloth. Store it in a dry and safe place. And always follow local laws and regulations when using this scope in the field.