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84 DSView Installer/User Guide
VT100+ terminal emulation
The VT100+ emulation mode provides compatibility with the Microsoft head-
less server EMS serial port interface. DSView Telnet VT100+ terminal emula-
tion works identically to VT100, with the exception of support for the function
keys listed in the following table.
VT100+ Function Key Support
Function Sequence Function Sequence
Home <Esc> h F4 ** <Esc> 4
End <Esc> k F5 <Esc> 5
Insert <Esc> + F6 <Esc> 6
Delete * <Esc> - F7 <Esc> 7
Page Up <Esc> ? F8 <Esc> 8
Page Down <Esc> / F9 <Esc> 9
F1 ** <Esc> 1 F10 <Esc> Ø
F2 ** <Esc> 2 F11 <Esc> !
F3 ** <Esc> 3 F12 <Esc> @
* ASCII, VT100 and VT102 modes send hex 7F when the Delete key is pressed.
** VT100 and VT102 modes map the F1 through F4 keys to the PF1 through PF4 keys.
VT102 terminal emulation
VT102 terminal emulation works identically to VT100 with additional support
for decoding receive codes as described in the following table.
VT102 Receive Codes
VT102 Receive Code Action
Delete Character (DHC) Deletes n characters starting with the character at the current
cursor position, and moves all remaining characters left n
positions. n spaces are inserted at the right margin.
Insert Line (IL) Inserts n lines at the line where the cursor is currently positioned.
Lines displayed below the cursor position move down. Lines
moved past the bottom margin are lost.
Delete Line (DL) Deletes n lines starting with the line where the cursor is currently
positioned. As lines are deleted, lines below the cursor position
move up.