Important Notes for Firmware Update: Warning: when turning off the power of XDJ-R1 1. Removing an AC cable from XDJ-R1 or shutting down the AC power supply to XDJ-R1 may damage the unit. 2. Please be sure to press the [STANDBY/ON] button on XDJ-R1 to turn off the power of the unit. - Disconnect all devices and cables except the power cable from the unit. - Make sure to remove any CD media and other USB devices, from the unit before starting the update procedure - Be sure to keep the file name as is. - Ensure that only one update file is saved on the USB memory device when updating the XDJ-R1 Dj system.