VMP72 Firmware Update process: 1. Copy "install" disc image file and "install.img-sig" to a USB stick root folder. 2. Disconnect power from the device (remove DC cable) 2. Insert USB stick into one of the available USB ports 3. Hold the "Power button" pressed (on the device, not the RC) 4. While holding the power button pressed, plug-in the DC power. then release the Power button after the message appears on the connected display. 5. After a few seconds, the firmware should commence updating, do not turn-off power until this has completed.