Avalue EBM-PNV - Manual (Page 12)

EBM-PNV (B.2) Quick Installation Guide
12 EBM-PNV (B.2) Quick Installation Guide
2.3.10 LCD backlight brightness adjustment (JVR2)
* Default
Signal PIN PIN Signal
+5V 1 2 DC2
VR 3 4 VR
GND 5 6 PWM2
Variation Resistor
(Recommended: 4.7KΩ, >1/16W)
Mode1: VR type
Mode 2: DC type*
Note: DC: 0V ~5V
Mode 3: Pulse-Width Modulated type
Note:
For inverters with adjustable Backlight function, it is possible to control the LCD brightness
through the VR signal controlled by JBKL2. Please see the JBKL2 section for detailed circuitry
information.