Figure 6.1. Schema Viewer Preferences (General Tab)The general section of the Schema Viewer Preferences dialog includes the following parameters:
Reload last workspace at startup. If this item is selected, Schema Viewer will automatically open the workspace that was active during a previous Schema Viewer session. If it is not selected, Schema Viewer will not open any documents at startup.
Recent File List Size. Schema Viewer maintains a list of recently opened files (schema documents or HMI documents) in its file menu. This parameter determines how many recent files Schema Viewer should track. The maximum list size is 16 files.
Recent Workspace List Size. Schema Viewer maintains a list of recently opened workspace documents in its file menu. This parameter determines how many recent workspaces Schema Viewer should track. The maximum list size is 16 workspaces.
Remember window positions. Schema Viewer maintains the window positions from the last shutdown when this box is checked.
Program Hardware Button on Toolbar. To download a schema you can use the Controller menu or the toolbar button 
. This preference item defines what the schema export button does: either download and restart the schema with its initial values, or download and leave the existing values in the schema's variables.
Customizing Schema Viewer Schema Viewer Preferences-File Access Section