Aaeon EMB-APL3 Manual page 16

3. Inverter voltage selection jumper (3-pin BKL_PWR)
EMB-APL3
EMB-APL3 Inverter voltage selection
+12V
+5V (Default)
4. Inverter backlight control mode selection jumper (3-pin J3)
EMB-APL3
EMB-APL3 Inverter backlight
control mode selection
DC mode (Default)
PWM mode
2-8
BKL_PWR
1 2 2 3
+12V +5V
(Default)
Pins
1-2
2-3
J3
1 2 2 3
DC mode PWM mode
(Default)
Pins
1-2
2-3
EMB-APL3