HEIDENHAIN TNC 620 User Manual page 21

TNC model, software and features
Even when the 3D-ROT dialog is active in manual mode, PLANE
RESET functions with an active basic transformation, see
"Activating manual tilting:", page 538
The feed rate potentiometer only lowers the programmed feed
rate, no longer the feed rate calculated by the control, see "Feed
rate F", page 172
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 number 19)
Cycles 421, 422 and 427 have been expanded to include
parameters Q498 and Q531
In Cycle 247: SET DATUM, the datum number can be selected
from the preset table if the corresponding parameter is set
In Cycles 200 and 203 the behavior of the dwell time has been
adjusted upwards
Cycle 205 performs deburring on the coordinate surface
In SL cycles, M110 is now recognized with internally corrected
arcs, if it is active during operation
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015