: Firmware enables access to hidden factory settings via codes like Source + 815 or Source + 2580 , which are necessary for voltage adjustments and color calibration.

The TV will automatically begin flashing and restart when finished. Technical Details & Support Resolution: Supports HD Service Menu Code: Source 815 , Source 208 , or Source 2580 . Resolution Codes: FHD: Source + 03661 HD: Source + 03662