To output signal, users can select command “Output Port” in the Draw Menu or click the icon.
When checked, there will be an output port property setting appearing in the Property Toolbar as Figure shows.
: This icon indicates that the system will export a high-level voltage (TTL compatible) when the operation is taking place at the current output port.
: This icon indicates that the system will export a low-level voltage (TTL compatible) when the operation is taking place at the current output port.
: This icon indicates that the system will export a fixed-level.
: This icon indicates that the system will export a pulse.