 the absorbed dose over the <a class="reference internal" href="BSHelp9-2.html#in-field-area"><span class="std std-ref">in field area</span></a> normalised to the central axis.</p>
<div class="math notranslate nohighlight">
\[100 \cdot \cfrac {max - min} {cax}\]</div>
<p>Where <em>max</em>, <em>min</em> and <em>cax</em> are the profile maximum, minimum and central axis values respectively.</p>
<p><strong>Protocol invocation name</strong>: 1D Deviation CAX</p>
<p><img alt="Note" src="_images/Note.png" /> The