[PatK]

The menu choice is restart or sleep now, and for me sleep turns off the LED, and things cool down. The truth might be trickle voltage holding up last configuration, so instant start looks good, ala sleep mode on a windows PC with a wake on command, while restart.. re-boots.

Using "Settings>About>Power Off" the device is dead as a door-nail, no wake up possible, just unplug & plugin will shake it back to a full reboot.