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Sending control characters using telnet vi's

Hello,
 
I need to send out control characters and escape sequences; have not had success. For example for tab sending out ( \t ,  Ascii reference decimal \9 ) or Escape (decimal \27;  I'm trying automate a menu driven telnet site.
 
 
Thanks,
 
 
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you may use the tap constant, end of line constant or carriage return constant, located in the strings funtions, or send the hexadecimal value using the string constant with the option "Hex display"
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