and
can not be used from user circuits.
</ul>

<li><b>Security Violation Handling:</b> This option specifies what
TkGate should do when a user circuit tries to use a system task that
has been disabled through this dialog box.

<li><b>Stop simulator when disabled feature is used:</b> Any attempted use of a
disabled system task will cause the simulator to stop and a warning
message to be displayed.

<li><b>Display warning message when disabled feature is used:</b> Any
use of a disabled system task will cause 