.
         Specified as an <code>Array</code> of two values:
         the minimum value and the maximum value.  When
         <code>null</code> is set, no normal range is drawn.
         
         </p><p> The default value is <code>null</code>.</p><br/><span class="label"> Implementation </span><br/><code>&nbsp;&nbsp;&nbsp;&nbsp;public function get normalRange():Array</code><br/><code>&nbsp;&nbsp;&nbsp;&nbsp;public function set normalRange(value:Array):void</code><br/></div><a name="propertyDetail"></a><a n