In the Keyboard page, you can define strings the keyboard on user's PC sends to the remote server.

Select a type of function keys appropriate for your terminal type. If is selected, function key is automatically assigned according to terminal type specified in the Terminal page.

Select a user defined keyboard file. With this option, you can manually assign a string to each function key (F1~F20) and it will be sent to server when pressed.

Select a string to send when the Delete key or the Backspace key is pressed.

Setup meta key emulation for programs that use Meta keys such as Emacs.