We have been trying our best to develop a kind of video wall which is user-friendly and versatile. After users receive the product, we guarantee that it only takes little time to operate the product with easiness. We also deliver well-printed end-user manuals along with the product, which enables users to understand the product more. If you still have some doubts about the operation method, you are warmly welcomed to contact us. We will arrange professional engineers to give you a highly efficient and clear explanation.