To properly display "graphic" characters and make it as much like a terminal that is directly connected to a computer or server, do the following;

  • Options, Session Options, Terminal Emulation configure the following: Linux, Enable: ANSI Color and Use Color Scheme, Scrollback, Scrollback buffer: 9999, and possibly check off Use color scheme.
  • Options, Session Options, Appearance configure the following: Current color scheme: Traditional (Edit as phosphorescent green), Character encoding: UTF-8, Enable Use Unicode graphics characters

(from, among others)