Function keys

The user can execute certain functions simply by pressing a function key. Function keys can also be used to enter a number of inputs in the NEXT line. The effects of the functions depend on how the SDF option FUNCTION-KEYS is set (using the MODIFY-SDF-OPTIONS command).
There are two assignment modes: the previous ‘Old mode’ (*OLD-MODE) and the new ’Styleguide mode’ (*STYLE-GUIDE-MODE), which offers greater functionality. The terminal type selected in the terminal emulation, however, must support Styleguide mode. The table below shows the assignment of the function keys:

*OLD-MODE
Function key	Effect
	Exit function. Exits the current menu (or operand form) and switches to the higher-ranking menu. Within a statement menu in guided dialog, terminates the program after requesting confirmation. Equivalent to *EXIT in the NEXT line or in Styleguide mode.
	Interrupt function. Interrupts a current program or a procedure, or aborts output of a command.
	Refresh function. Restores the last screen displayed with the original values. Equivalent to *REFRESH in the NEXT line or in Styleguide mode.
	Exit-all function. Exits the current menu (or operand form) and switches in guided dialog to the highest-ranking menu or, in temporarily guided dialog, to command/statement input of unguided dialog. Within a statement menu in guided dialog, terminates the program after requesting confirmation. Equivalent to *EXIT-ALL in the NEXT line or in Styleguide mode.
	Test function. Checks inputs for syntax errors. Equivalent to *TEST in the NEXT line.
	Execute function. Executes the current operation (command or statement). Equivalent to *EXECUTE in the NEXT line or in Styleguide mode.

Table 3: Function key assignment (Old mode) in guided dialog

*STYLE-GUIDE-MODE
Function key	Effect
	Interrupt function. Interrupts a current program or a procedure, or aborts output of a command.
	Help function. Switches to temporarily guided dialog. Equivalent to entering “?” in the NEXT line.
	Exit function. Exits the current menu (or operand form) and switches to the higher-ranking menu. Within a statement menu in guided dialog, terminates the program after requesting confirmation. Equivalent to *EXIT in the NEXT line or in Old mode.
	Refresh function. Restores the last screen displayed with the original values. Equivalent to *REFRESH in the NEXT line or in Old mode.
	Exit-all function. Terminates the current menu (or operand form) and switches in guided dialog to the highest-ranking menu or, in temporarily guided dialog, to command/statement input of unguided dialog. Within a statement menu in guided dialog, terminates the program after requesting confirmation. Equivalent to *EXIT-ALL in the NEXT line or in Old mode.
	Scroll backward. Scrolls backward in menus and forms which extend over more than one screen. Equivalent to “-” in the NEXT line.
	Scroll forward. Scrolls forward in menus and forms which extend over more than one screen. Equivalent to “+” in the NEXT line.
	Redisplays the last command or statement entered. Equivalent to entering “RESTORE-SDF-INPUT” without operands (default: INPUT=*LAST-CMD or *LAST-STMT).
	Execute function. Executes the current operation (command or statement). Equivalent to *EXECUTE in the NEXT line or in Old mode.
	Cancel function. Cancels the current menu (or operand form) and switches to the higher ranking menu or, in the case of a subform, to the higher-ranking operand form. The previous specifications in the subform are discarded. Within a statement menu in guided dialog, terminates the program after requesting confirmation. Equivalent to *CANCEL in the NEXT line.

Note

In Styleguide mode, the function keys , , , , , and through are not supported. Pressing an unsupported key causes an error message to be displayed.
Depending on the situation, the function keys , and may not always be available.