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Summary:
1.
Switches and buttons (9 – 16 button)
12. Power input (DC +12V)
2.
Compact Flash card slot
13. Speaker out (L/R)
3.
Inverter status
14. Alternative line out
4.
LED1 - Controller status
15. TTL panel connector
5.
LED2 - Backlight status
16. LVDS panel connector
6.
Reserved
17. Serial port (for panel control)
7.
USB connector
18. IR sensor connector
8.
Auxiliary power output
19. Reserved
9.
Alternative power out
20. Switches and buttons (1 – 8 button)
10.
Backlight inverter
21. Output resolution (480/720p)
11.
OSD control
22. RS-232 port
For detailed pin-outs on all connectors see the tables in Section 5 below