Mitsubishi Electric CR800 Series Instruction Manual page 102

11 Teaching and Setting of Adjustment Variables ("1" program)
For example, if you want the tracking started early 100mm:
Image of the tracking area is as follows.
Before tracking starting distance change
After tracking starting distance change
11-90 Adjustment of Tracking starting possible area
500mm
Tracking
area
600mm
500mm
Tracking
area