press scan, 2 & 9 warning wipes out all memory!
Press F and turn the scroll knob to find the strange test system settings.
I'm still waiting for a Linux kernel to appear ;-)
Hold, 2 & 9 is the only way to return it to normal
L/O, 2 & 9 will also reset the scanner
2, 4 & 8 with the power button. press the hold key
2,6 & 8
