In the Keyboard page, you can define strings the keyboard on user's PC sends to the remote server.
Function Key Emulation
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.Specify an alternative keyboard mapping file
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.Delete key sequence & Backspace key sequence
Select a string to send when the Delete key or the Backspace key is pressed.Meta Key Emulationv
Setup meta key emulation for programs that use Meta keys such as Emacs.