HPlogo Customizing Terminal and Printer Type Files with Workstation Configurator: HP 3000 MPE/iX Computer Systems > Chapter 4 Workstation Configurator — Screen and Field Definition

Special Characters

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The Special Characters screen is the fourth Workstation Configurator screen. To select this screen, enter an S in the Go to form field on the Main Menu screen and press the [Enter] key or press the NEXT FORM [F6] function key on the Flow Control screen. The screen shown in Figure 4-4 “Control Screen” is then displayed.

Figure 4-4 Control Screen

[Control Screen]

Fields

The Special Characters screen lets you configure the following information:

  • Backspace. This field specifies the character that, when entered, will act like a backspace and delete the previous character from the input data. This required character can be input in any character format.

  • Cancel line. This field specifies the cancel line character. Cancel deletes the current line. The system verifies the cancellation by printing three exclamation marks (!!!), followed by a carriage return and a line feed. This required character can be input in any character format.

  • Type 1 End-of-record character. This character terminates the read, but is not included in the data returned to the program doing the read or the actual count of characters. The end of record (EOR) character is optional.

  • Type 2 End-of-record characters. When this character is configured, the read is returned with a special status that indicates that the read was terminated by the additional end-of-record character. The character is included in both the data and the actual count of number of bytes returned. The terminal cursor is not affected. The end of record (EOR) character is optional. Up to sixteen type 2 end-of-record characters may be configured.

  • Subsystem break characters. Subsystem break allows you to interrupt the execution of a local program or subsystem command. The subsystem break character is optional.