User`s manual

User’s Manual
ECM-3711 Series User’s Manual
45
2.4.22 LCD Backlight Brightness Adjustment Connector (JVR1)
Signal PIN
+5V
3
VR
2
GND
1
VCC
JINV1
pin 4
JVR1
1
2
3
Variation Resistor
(Recommended: 4.7K, >1/16W)