Mark V and Mark VIe The Mark V was developed when IBM-compatible (Intel) PCs were just beginning to be used as operator interfaces (Human Machine Interfaces) for control systems. As such, even most graphical user interfaces were just 'point-and-click' methods of sending commands to a command-line interface--which the early PCs all used. Every command which could be done with a mouse click in early versions of MS-Windows could also be issued from the command line (DOS prompt); MS-Windows was just another method for typing commands at a command prompt. The Mark VIe uses a proprietary application called ToolboxST for all configuration issues such as you are describing. Everything like downloading, MODBUS configuration, Control Constant display and changes, sequencing modifications, logic forcing, trending, etc., is done using Menu bar selections (or hot-key sequences) from ToolboxST. (I'm sure that several functions can also be done via command-line sequences, but since most