1. Moire pattern NG Defective X ray tube NG Defective DAS power supply O YD Bs OF gt ip 5 SE Offset SD o D gt Rys EA E yp VY WA 7 NG gt Replace the INTEG PWB for a YESH O Pi channel whose offset SD is large O with a new one SL Channnel moves eT WB L NO Change the rotation speed to 3 Does the phenomenon disappear YES Incorrect rotation speed adjustment NO Defective detector