Siemens SIMATIC S5 Manual page 209

Fundamentals of COM 266
Data area:
The input field for "Program type" is subdivided into two sections, the first of
which is for entry of the program type. Using <F7>, you can choose between
• MAIN for a main program and
• SUB for a subroutine
In the second part of the input field, you can enter an arbitrary text as
commentary.
Function key menu:
<F1> Press this key when you want to enter traversing (machining) programs
to DIN.
<F2> Press this key if you want to enter traversing (machining) programs in
Text mode.
<F7> Use this key to choose "MAIN" or "SUB" in the first section of the
"Program type" field.
<F8> Press this key to exit the screen form.
And what now?
Select the program type and enter a commentary.
Press <F1> to enter programs to DIN.
Press <F2> to enter programs in Text mode (optional).
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IP 266
EWA 4NEB 812 6057-02