...
1.) Turn the front computer on by pressing the power button on the right side of the screen. Let it initialize.
2.) Screen will prompt you to turn the key-switch, turn it clockwise and the "x-rays on" yellow lights around the instrument will light up. Make sure at least one sample holder spot is empty before turning on. The screen goes to sleep when not in use, just move the mouse or touch the screen.
To turn off the instrument, press the power button on the side of the screen, and then toggle the key switch counter-clockwise.
...