This was a feature we introduced in late 2011, but your convertor's serial number indicates that it was made in March 2011.
Taasi mid ka horaysa xiliga warqada lagu sheegay in xisaabtu dhaq-dhaqaaq samaysay oo ku beegnayd sanadkii 2011 taas oo ay ahayd inay dambayso xiliga daabacaadu.