protected function setDefaults()
    {
        parent::setDefaults();

        $this->setReferenceNumberLeftAttr(3, 60, 50, 4, null, null, 8);
        $this->setReferenceNumberRightAttr(125, 33.5, 80, 4);
        $this->setCodeLineAttr(64, 85, 140, 4, null, 'OCRB10');

        $this->setSlipBackground(__DIR__.'/Resources/img/ezs_orange.gif');

        return $this;
    }