ISPSoft User Manual System Configuration - Output Window A preview of the modification. Setup output text. Setup a background color for Output. System Configuration - Symbol Table A preview of the modification. Select an item in the left Item box, then choose the style of display in the right Text box. The dialog Add Symbo l configuration will close automatically once it is declared. Input undefined symbol variables in ladder diagram (LD), function block diagram (FBD), or a sequential function chart (SFC) environment, click [Enter] when complete and the dialog Add Symbol configuration appears. When copy or paste from symbol tables, select to include comment. 2-36