J18 Fir Connect; J19 Setting Enable Backlight Signal Level; J20 Setting Lcd Power; Bt1 Battery Socket - Advantech POS-761F User Manual

B.50 J18 FIR connect
1
VCC
B.51 J19 Setting Enable backlight signal level
Enable Backlight level for Low
Enable Backlight level for Hi
B.52 J20 Setting LCD Power
VCC
VCC3
B.53 BT1 BATTERY SOCKET
Use BR2032
(A) U2
2
FIRRX IRRX
1~3 pin
3~5 pin
1
2
3
GND
1~3 pin
3~5 pin
2~4 pin
4~6 pin
BAT+
BAT-
133
4 5
FIRTX
Appendix B