HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 129)

SERVICE MANUAL TNC 415B/425
Page 124
Issue: 20.08.95
18.3 Switching Over the Position Display
Press Key Function
TNC in operating mode MACHINE (manual, full sequence etc.)
MOD
Activate MOD function
or
Select dialogue POSITION DISPLAY
ENT
Switch to desired display mode
NOML:
nominal position
DIST: distance-to-go
ACTL: actual position
REF: distance to reference mark (machine
datum); with distance-coded measuring system
zero REF mark
LAG: current servo lag
Exit the subprogram