In a case where you are to operate the music equipment, you would need to make sure that you focus on taking time to learn about the equipment especially where you are not the one to operate the equipment in question. You may also need to make sure that you take the pictures of the equipment just to be sure that any blame pushed on you is justified. However, one would need to have a music rental equipment that comes with a DJ. In such a case, one would not be liable of any damage just in a case where anything went wrong. One would also be sure that the connections and the equipment positioning will be done by an expert and hence reducing chances of possible hitches.
One would need to ensure that he or she gets ready to say no. You would need to make sure that the management of the equipment gives you time to know more about the music equipment in question. It would also be essential to make sure that the equipment in question meets your needs. You would not have to pay for a music equipment before exploring other available options. You would need to make sure that the owner of the music equipment in question is transparent with what he or she is renting.