HEIDENHAIN NC 124 - Manual (Page 18)

2 Working with the TNC 124 – First Steps
18 TNC 124
HELP
MOD
INFO
Operating modes
Selecting the operating mode determines which functions are avail-
able to you.
Available functions Mode Key
Move the machine axes
MANUAL
• with the direction keys,
OPERATION
• with the electronic hand-
wheel,
• by incremental jog positioning;
Datum setting —
also with probing functions
(e.g. circle center as datum);
Enter and change spindle speed
and miscellaneous functions
Enter positioning blocks and
POSITIONING
execute them block by block; WITH
Enter hole patterns and
MDI
execute them block by block;
Change spindle speed, feed
rate, miscellaneous functions;
Enter tool data;
Store work steps for small-lot PROGRAMMING
production by
AND EDITING
• Keyboard entry
• Teach-in;
Transferring programs
through the data interface
Executing programs
PROGRAM
• continuously
RUN
• blockwise
You can switch to another operating mode at any time by pressing
the key for the desired mode.
HELP, MOD and INFO functions
You can call the HELP, MOD and INFO functions at any time.
To call a function:
ä Press the function key for that function.
To leave a function:
ä Press the same function key again.
Functions Designation Key
On-screen operating
HELP
instructions:
graphics and text explaining
the current screen contents
User parameters:
MOD
To redefine the TNC's basic
operating characteristics
Cutting data calculator,
INFO
stopwatch, pocket calculator