While communicating with a modem by established protocol there might be a situation when you need to send a special character (like "\n" (Line feed), "\r" (Caret return), etc.) You cannot type these special characters on keyboard, therefore to send them you should use hex symbol representation. Advanced Serial Port Terminal allows automatically adding of these characters to transmitted packets whenever you need them.
In order to send "Line feed" and "Caret return" characters, please, do the following:

