HEIDENHAIN TNC 620 User Manual page 21

Even when the 3D-ROT dialog is active in Manual Operation
mode, PLANE RESET still functions with active basic
transformation, see "Activating manual tilting:", page 545
The feed rate potentiometer only reduces the programmed feed
rate and no longer the feed rate calculated by the control, see
"Feed rate F", page 196
The DXF converter displays FUNCTION MODE TURN or
FUNCTION MODE MILL as a comment
New and modified cycle functions 81760x-03
New cycle 258 POLYGON STUD (option 19)
Cycles 421, 422 and 427 have been expanded to include
parameters Q498 and Q531
For cycle 247: SET DATUM, the datum number from the preset
table can be selected with the corresponding parameter
With cycle 200 and 203 the behavior of the dwell time at top
has been adapted
Cycle 205 performs deburring on the coordinate surface
With SL cycles, M110 is now taken into account with circles
compensated inwards if it is active during machining
Further information: Cycle Programing User's Manual
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
TNC model, software and features
21