LG DR787T Up-converting question



[qanda]This question is published in the hardware section for the LG DR787T. Click here to view full specs.[/qanda]How do I know if this unit is actually up-converting to 1080. My TV says everything from this unit is still 480i.


I think it upconverts to 1080i only when using the HDMI output. Other than that, it is 480 tom