To keep your product
1.Product Information
D.MENU →→ → →[Digital Menu] → ENTER→ → →[Setup]→ENTER → → → → → → → → → → → [System] → ENTER → ENTER
2.Signal Information
D.MENU →→ → →[Digital Menu] → ENTER→ → →[Setup]→ENTER → → → → → → → → → → → [System] → ENTER → →ENTER
3.Software Upgrade
D.MENU →→ → →[Digital Menu] → ENTER→ → →[Setup]→ENTER → → → → → → → → → → → [System] → ENTER → → →ENTER