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TURNING OFF THE X-RAY GENERATOR
1. Close the shutter by turning the appropriate knob on the Shutter Control Box (Figure C) to
off. Lower the current to the lowest mA by turning the mA knob all of the way to the left.
Reduce the voltage to 25 kV. WAIT 5 MINUTES.
2. Lower the voltage to 10 kV (i.e., lowest kV).
3. Turn off the X-ray generator by pressing the [STOP] button. Turn off the power by pressing
the [OFF] button.
4. Feel the top of the x-ray tube, when it is cool the water chiller may be turned off.
5. Data analysis and manipulation may be performed now if desired. Otherwise, exit the
software by pressing [Esc] until the main menu is reached. Then press [X] to exit from PC-
APD. Then press [X] to exit X-Menu.
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