HEIDENHAIN IK 5394-3D - Manual (Page 178)

3-6
Chapter 3 Probes
Step 3
Type the desired position as shown.
NOTE
Each magnification is assigned a different zoom position. Zoom
position refers to the amount of magnification at a given lens
position. The number of zoom positions is set by the OEM or
distributor during initial setup.
Step 3
Click OK.