The Range Of The Reference Value for Head X Axis and Y Axis Offset Calibration on Samsung Techwin SM321

The range of the reference value for the ‘head offset calibration’ are as follows:
Head 1 X : -0.03mm ~ 0.03mm, Head 1 Y : -0.03mm ~ 0.03mm
Head 2 X : 29.97mm ~ 30.03mm, Head 2 Y : -0.03mm ~ 0.03mm
Head 3 X : 59.97mm ~ 60.03mm, Head 3 Y : -0.03mm ~ 0.03mm
Head 4 X : 89.97mm ~ 90.03mm, Head 4 Y : -0.03mm ~ 0.03mm
Head 5 X : 119.97mm ~ 120.03mm, Head 5 Y : -0.03mm ~ 0.03mm
Head 6 X : 149.97mm ~ 150.03mm, Head 6 Y : -0.03mm ~ 0.03mm