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PROTOCOL CONVERTER MODEL A/S-4
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The functions of the A/S-4 Keys are as follows:
Restart Protocol Jump to A/S-4’s main menu for
Converter option changes.
Disconnect VDU Causes A/S-4 to drop DTR to device connected to terminal port.
Used to disconnect a modem attached to the terminal port in a
dial-up configuration
Disconnect SDLC Causes A/S-4 to drop DTR to device connected to modem port.
Used to disconnect a modem attached to the modem port in a dial-
up configuration.
* Dual or Mono Case Used to shift between Dual (Upper & Lower Case) and Mono
(Upper Case only).
* Cent Key Allows cent ( ) key to be sent to IBM host since most VDU’s do not
have a cent key.
* Redisplay Screen Used to redisplay current screen. Used when VDU is attached to
terminal port through dial-up modem and garbage has been
displayed on screen.
* Local Print Print VDU screen on printer
* Stop/Start Print Allows stopping of printer to align forms and then starting again.
* Line Insert Causes a blank line to be inserted at cursor location.
* Line Delete Causes a line of data to be deleted at cursor location.
* Character Insert Causes a Null Character to be inserted at cursor location.
*Character Delete Causes a data character to be deleted at cursor location.
*Keys used only during interactive application, not used in batch.