User manual

ECM-PNV
24 ECM-PNV User’s Manual
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.
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