Using the Behringer XR12 is easy. First, connect your audio sources to the inputs. Then, use the free iOS, Android, or PC/Mac/Linux apps to control all the parameters of your mix. You can move around the venue or tracking room and adjust the sound to your liking. For recording, connect a USB storage device to record uncompressed stereo WAV files. When using the Wi-Fi, make sure your tablet is connected to the built-in router. As for maintenance, keep the mixer clean and free from dust. Avoid exposing it to extreme temperatures or humidity. Check for firmware updates regularly on behringer.com to get the latest features and improvements. If you're using MIDI equipment, connect it to the MIDI In/Out ports to control the mixer. Enjoy creating great sound with your Behringer XR12!