HEIDENHAIN TNC 640 User Manual page 770

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The control then displays the following soft keys:

You can interrupt and continue the test run at any time, even within

fixed cycles. In order to continue the test, the following actions

must not be performed:

Selecting another block with the arrow keys or the GOTO key

Making changes to the program

Selecting a new program

Reset the blank form, reset the previous tool

data and test the entire program

Test the entire program

Test each NC block individually

Executes the Test Run until block N

Stop test run (this soft key only appears if you

have started the test run)

Test Run and Program Run | Test run

HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017