HEIDENHAIN IK 5394-3D - Manual (Page 518)

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Chapter 6 System Setup
Displaying the distance to target surfaces for CNC moves
Normally, the DRO displays the current
input sensor position.
Checking the Display distance to target
... box changes the DRO to display the
distance to the next CNC target while
running a program. This distance de-
creases during CNC moves until the
continuation zone around the CNC tar-
get point is reached. At that time, the
DRO displays the current position until the measurement at the target is com-
plete. When the measurement is complete, the DRO changes to display the
distance to the next CNC target again. When the program is completed or
halted, the DRO displays the current position until the next program execution
begins.