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4. Press and hold the X-ray exposure switch when you see the message “HOLD THE
BUTTON” (marked in the white box).
5. Release the switch when you see the message “RELEASE THE BUTTON” (marked in the
white box). If the system does not show this message, repeat step 3.
6-1. When you see a pop-up message notifying the end of auto CEPH auto-alignment, click OK
to finish.
6-2. When the system shows an error message, repeat steps 1 to 5 until the CEPH auto-
alignment is completed.