Jumper JP1 sets the polarity for the LC-display panel off signal. Please refer to
figure 9. for the exact location of jumper JP1
JP1
3
2
1
Jumper JP1: Panel Off Signal
1 - 2 closed: Panel off at high (1)
3
2
1
2 - 3 Closed: Panel off at low (0)
3
2
1
