low="0" high="20000" default="10000"
convert="invert"/>
+ <number id="duration" type="slider" arg="-duration %"
+ _label="Duration" _low-label="10 seconds" _high-label="10 minutes"
+ low="10" high="600" default="120"/>
+
<boolean id="lenses" _label="Lenses" arg-set="-lenses"/>
<hgroup>