Avalue ECM-PNV - Manual (Page 23)

User ’s Manual
ECM-PNV User ’s Manual 23
2.4.5 LCD backlight brightness adjustment (JVR)
*Default
Signal PIN PIN Signal
+5V 1 2 INV_DA
VR 3 4 VR
GND 5 6 INV_PWM
Variation Resistor
(Recommended: 4.7KΩ, >1/16W)
Mode1: VR type*
Mode2: Digital to Analogue type
Mode3: 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 JVR. Please see the JVR
section for detailed circuitry information.