Control keys and their associated functions are predefined under the IDD menu facility. Control key assignments fall into two categories: global and local. These two categories are discussed, followed by a description of using PF-key simulation (for terminals with no PF keys).
Global Control Keys
Global control keys always perform the same functions during a menu facility session. Menu facility global-control key assignments correspond to online IDD control-key assignments. Online IDD control-key assignments are established during IDD installation or with the system generation compiler.
Installation defaults for global control keys are shown in the following table.
|
Control key |
Description |
|---|---|
|
ENTER |
Submits information through the IDD menu facility for processing. |
|
CLEAR |
Displays the previous screen. You can press CLEAR from the Master Selection screen to leave the IDD menu facility and return to the DC/UCF system. |
|
PA1 |
Clears fixed screens; on pageable screens, PA1 cancels a FIND command. |
|
PA2 |
Refreshes the screen. Pressing PA2 cancels changes just typed on the screen. The screen is rewritten as it appeared the last time you pressed a control key. |
|
PF1 |
Invokes the HELP function of the IDD menu facility; the appropriate help screen is displayed for the current IDD option or entity type. For further information about help screens, see Help Screens later in this chapter. |
|
PF7 (pageable screens only) |
Scrolls backward to the previous page of the pageable screen. |
|
PF8 (pageable screens only) |
Scrolls forward to the next page of the pageable screen. |
Local Control Keys
The screen that a local control key invokes depends on the screen from which it is pressed. Each screen selection area lists the local control-key assignments for that screen. For example, PF7 invokes the Record Entity screen from the Master Selection screen.
PF Key Simulation
On terminals that have no PF keys, you can perform PF-key related functions by using PF-key simulation. To activate PF-key simulation, type any character in the PF-KEY SIMULATION ON field on the Master Selection screen. To request the next action from any menu facility screen, type a 1- or 2-digit PF key number in the simulated PF key field and press ENTER. For example, to perform the function associated with PF2, type 2 in the simulated PF-key field and press ENTER.
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