<PRE>
  CONVERGENCE  [dampon &lt;real dampon default 0.0&gt;] \
               [dampoff &lt;real dampoff default 0.0&gt;] \
               [diison &lt;real diison default 0.0&gt;] \
               [diisoff &lt;real diisoff default 0.0&gt;] \
               [levlon &lt;real levlon default 0.0&gt;] \
               [levloff &lt;real levloff default 0.0&gt;]
</PRE>

<P>
So, for example, damping, DIIS, and/or level-shifting can be turned
on/off as desired.

<P>
Another strategy can be to simply specify how many