Performance Verification and Adjustment 3 
U2722A/U2723A Service Guide 27
2 Select  Tools > Source Measure > Adjustment to start the 
adjustment.
3 A message box will appear to inform that the adjustment 
operation will take approximately two hours. During this 
period, you will not be able to operate the 
U2722A/U2723A. Click Yes to continue with the 
adjustment operation.