Cadfil main program errors messages
In its normal mode Cadfil uses standard windows graphics and no drivers are required. A colour mode of at least 256 colours is required and a resolution of not less than 640x480, though 1024x768 is preferable.
SOFTWARE SECURITY FAILURE
This message is displayed when the software datakey has not found on running the software. When the datakey is not found the user cannot access the options on the Cadfil main menu, a warning bell being given instead. A discussion of datakey problems is included in the section relating to the installation of the CADFIL system.