Setup Menus
Lines are double height
Factory default: Unselected
This determines whether each line is
Lower case lockout
Factory default: Unselected
When selected, this will cause the LOCK key to be on so that only UPPERCASE characters can be generated.
SOH clears screen
Factory default: Unselected
When selected, this will cause the Unisys T27 emulation to automatically clear the screen whenever it receives an SOH character.
SOH exits forms
Factory default: Selected
When selected, this will cause the Unisys T27 emulation to automatically exit forms mode whenever it receives an SOH character.
SO/SI XTN
SO/SI XLT
Factory default: Unselected
The setting of these options determine the effect of the ESC SO and ESC SI sequences when receiving or transmitting data.
When receiving from the host, the setting of the SO/SI XTN option determines whether the sequences are used to switch between standard and extended character sets (selected), or reverse highlight and underline (unselected).
When transmitting to the host, the setting of both options determine the sequences used for switching between standard and extended character sets, and reverse highlight and underline as follows:
XTN | XLT | SO | SI | Extended | Characters |
|
| Reverse Video | Underline |
|
|
|
| Sent as | Sent as | Begin | End |
OFF | OFF | SO | SI | ESC SO | ESC SI |
ON | OFF | ESC’. | ESC’/ | SO | SI |
OFF | ON | ESC’. | ESC’/ | ESC SO | ESC SI |
ON | ON | ESC’. | ESC’/ | SO | SI |
The SO (shift out) and SI (shift in) sequences allow switching between two sets of characters: the standard character set and the extended character set. Each set consists of 128 characters. When an ESC SO sequence is received from the host, the emulation