HEIDENHAIN TNC 426 B User Manual page 305

Running a program test
If the central tool file is active, a tool table must be active (status S)
to run a program test. Select a tool table via the file manager (PGM
MGT) in the Test Run mode of operation.
With the MOD function BLANK IN WORD SPACE, you can activate
work space monitoring for the test run (see Chapter 12 "MOD
Functions, Showing the Workpiece in the Working Space").
Select the Test Run mode of operation.
Call the file manager with the PGM MGT key and
select the file you wish to test, or
Go to the program beginning: Select line "0" with the
GOTO key and confirm you entry with the ENT key.
The TNC then displays the following soft keys:
Function
Test the entire program
Test each program block individually
Show the blank form and test the entire program
Interrupt the test run
Running a program test up to a certain block
With the STOP AT N function the TNC does a test run up to the
block with block number N.
Go to the beginning of program in the Test Run mode of
operation.
To run a program test up to a specific block,
press the STOP AT N soft key.
Stop at N: Enter the block number at which you wish
the test to stop.
Program: Enter the name of the program that contains
the block with the selected block number. The TNC
displays the name of the selected program. If the test
run is to be interrupted in a program that was called
with PGM CALL, you must enter this name.
Repetitions: If N is located in a program section
repeat, enter the number of repeats that you want to
run.
To test a program section, press the START soft key.
The TNC will test the program up to the entered block.
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Soft key
11 Test Run and Program Run