
Across the Boards
Communications Device Drivers
Section 6 - MAINCON Driver Configuration
Page 314
cfSOFTWARE Confidential,
2000
6.24 MAINCON Panel E4, Telnet VT320 (continued)
14. Backspace/Del key
When ‘1’ is selected, the Backspace key sends an 0x08 (BS). When ‘2’ is selected, the Backspace key is in
Delete mode and an 0x7f (DEL) is sent.
15. Warning Bell
When ‘1’ (ON) is selected, an audible alarm will sound when an operation error occurs or the display
station received control-G code. If you select ‘0’ (Off), and then the alarm will not be sounded when error
occurs or control-G received.
16. Rate Limit
When ‘1’ is selected, the transmit rate is limited to about 180 cps. When ‘0’ is selected the transmit rate is
unlimited.
17. Numeric Keypad
When ‘0’ (NORMAL) is selcted, the display station generates the corresponding ASCII character when a
numeric keypad key is pressed. If you choose ‘1’, the display station generates the application control
function when a numeric keypad key is pressed.
18. User-Preferred Supplemental Set
When ‘0’ is selected, the DEC Supplemental set is the UPSS. When ‘1’ is selected, the ISO-LATIN1 is the
UPSS.
19. Cursor Keys
When ‘0’ (NORMAL) is selected, the display station generates the corresponding ASCII character when a
cursor key is pressed. If you select ‘1’, the display station generates the application control function when a
cursor key is pressed.
20. Cursor Visible
When ‘1’ is selected, the Cursor mode is ON. This only affects the status bits returned in dvcstat.
Currently the cursor is always visible. When ‘0’ is selected the the Cursor mode is OFF.
21. User-Defined Keys
When ‘1’ (LOCK) is selected, the application program cannot define the function keys. If ‘0’ (UNLOCK) is
selected the application will be able to (re-)define the keys. MAINCON allows function key macros to be
defined even if LOCK is chosen; however the VT220 driver will ignore macros.
22. Status Line
When ‘0’ is selected, there is no 320 status line. When ‘1’ is selected, the indicator status line is on.
NOTE
: this is only for 320 compatibility as we don’t really display an indicator line. Info is already
available on our OIA line.
‘0’ and ‘1’ do
not
affect the screen dimensions. When ‘2’ is selected, there is another row added to the
screen and it is HOST WRITABLE. DVCSTAT is adjusted to return larger screen dimensions.
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