To use your boom mic with your camera, you will need to connect the microphone to an audio recorder or mixer, and then connect the recorder or mixer to your camera. Here are the basic steps: 1. Attach your boom mic to a boom pole. 2. Position the boom pole with the mic close to your subject. 3. Connect the boom mic to an audio recorder or mixer using an XLR cable. 4. Adjust the microphone's levels on the recorder or mixer to get the desired audio levels. 5. Connect the audio recorder or mixer to your camera using an appropriate cable. 6. Turn on your camera and check the audio levels to make sure you are getting good sound.