</span> acq;
0466      acq.bgsub=get( gco, <span class="string">'Value'</span> );
0467      <span class="keyword">return</span>
0468      
0469 <a name="_sub17" href="#_subfunctions" class="code">function update_threshold(varargin)</a>
0470      <span class="keyword">global</span> acq;
0471      acq.threshold = sscanf(get( gco, <span class="string">'string'</span> ),<span class="string">'%f'</span>);
0472      <span class="keyword">return</span>
0473      
0474 <span class="comment">%=======================