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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <HTML> <HEAD> <TITLE>VT100.net: Digital VT102 User Guide</TITLE> <LINK HREF="vt102-ug.css" TYPE="text/css" REL="stylesheet"> </HEAD> <BODY> <DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT102 User Guide<TABLE WIDTH="100%"> <COL SPAN="3" WIDTH="33%"> <TBODY> <TR> <TD ALIGN="LEFT"><A HREF="chapter5.html">Chapter 5</A></TD> <TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD> <TD ALIGN="RIGHT"> </TD> </TR> </TBODY> </TABLE> <HR></DIV> <TABLE ID="T5-2" CLASS="majortable" FRAME="VOID" RULES="GROUPS" CELLSPACING="0" CELLPADDING="4" BORDERCOLOR="#ffffff"> <CAPTION>Table 5-2 Control Characters Recognized by VT102</CAPTION> <THEAD> <TR VALIGN="BOTTOM"> <TH>Character</TH> <TH>Mnemonic</TH> <TH>Octal Code</TH> <TH>Function</TH> </TR> </THEAD> <TBODY> <TR VALIGN="TOP"> <TD>Null</TD> <TD>NUL</TD> <TD>000</TD> <TD>Ignored when received (not stored in input buffer) and used as a fill character.</TD> </TR> <TR VALIGN="TOP"> <TD>End of text</TD> <TD>ETX</TD> <TD>003</TD> <TD>Can be selected as a half-duplex turnaround character.</TD> </TR> <TR VALIGN="TOP"> <TD>End of transmission</TD> <TD>EOT</TD> <TD>004</TD> <TD>Can be selected as a disconnect character or half-duplex turnaround character. When used as a turnaround character, the disconnect character is DLE-EOT.</TD> </TR> <TR VALIGN="TOP"> <TD>Enquire</TD> <TD>ENQ</TD> <TD>005</TD> <TD>Transmits answerback message.</TD> </TR> <TR VALIGN="TOP"> <TD>Bell</TD> <TD>BEL</TD> <TD>007</TD> <TD>Generates bell tone.</TD> </TR> <TR VALIGN="TOP"> <TD>Backspace</TD> <TD>BS</TD> <TD>010</TD> <TD>Moves cursor to the left one character position; if cursor is at left margin, no action occurs.</TD> </TR> <TR VALIGN="TOP"> <TD>Horizontal tab</TD> <TD>HT</TD> <TD>011</TD> <TD>Moves cursor to next tab stop, or to right margin if there are no more tab stops.</TD> </TR> <TR VALIGN="TOP"> <TD>Linefeed</TD> <TD>LF</TD> <TD>012</TD> <TD>Causes a linefeed or a new line operation. (See Linefeed/New Line). Also causes printing if auto print operation is selected.</TD> </TR> <TR VALIGN="TOP"> <TD>Vertical tab</TD> <TD>VT</TD> <TD>013</TD> <TD>Processed as LF.</TD> </TR> <TR VALIGN="TOP"> <TD>Form feed</TD> <TD>FF</TD> <TD>014</TD> <TD>Processed as LF. FF can also be selected as a half-duplex turnaround character.</TD> </TR> <TR VALIGN="TOP"> <TD>Carriage return</TD> <TD>CR</TD> <TD>015</TD> <TD>Moves cursor to left margin on current line. CR can also be selected as a half-duplex turnaround character.</TD> </TR> <TR VALIGN="TOP"> <TD>Shift out</TD> <TD>SO</TD> <TD>016</TD> <TD>Selects G1 character set designated by a select character set sequence.</TD> </TR> <TR VALIGN="TOP"> <TD>Shift in</TD> <TD>SI</TD> <TD>017</TD> <TD>Selects G0 character set designated by a select character set sequence.</TD> </TR> <TR VALIGN="TOP"> <TD>Device control 1</TD> <TD>DC1</TD> <TD>021</TD> <TD>Processed as XON. DC1 causes terminal to continue transmitting characters.</TD> </TR> <TR VALIGN="TOP"> <TD>Device control 3</TD> <TD>DC3</TD> <TD>023</TD> <TD>Processed as XOFF. DC3 causes terminal to stop transmitting all characters except XOFF and XON. DC3 can also be selected as a half-duplex turnaround character.</TD> </TR> <TR VALIGN="TOP"> <TD>Cancel</TD> <TD>CAN</TD> <TD>030</TD> <TD>If received during an escape or control sequence, cancels the sequence and displays substitution character (<IMG SRC="char141.png" ALT="[]" HEIGHT="20" WIDTH="12">).</TD> </TR> <TR VALIGN="TOP"> <TD>Substitute</TD> <TD>SUB</TD> <TD>032</TD> <TD>Processed as CAN.</TD> </TR> <TR VALIGN="TOP"> <TD>Escape</TD> <TD>ESC</TD> <TD>033</TD> <TD>Processed as a sequence introducer.</TD> </TR> </TBODY> </TABLE> <DIV CLASS="navbar"><HR> <TABLE WIDTH="100%"> <COL SPAN="3" WIDTH="33%"> <TBODY> <TR> <TD ALIGN="LEFT"><A HREF="chapter5.html">Chapter 5</A></TD> <TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD> <TD ALIGN="RIGHT"> </TD> </TR> </TBODY> </TABLE> <DIV CLASS="navbot">http://vt100.net/docs/vt102-ug/table5-2.html</DIV></DIV> </BODY> </HTML>