User manual

EBM-PNV
26 EBM-PNV User’s Manual
2.4.6 LCD backlight brightness adjustment (JVR1)
* Default
Signal PIN PIN Signal
+5V
1 2
DC
VR 3 4 VR
GND
5 6
PWM
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 JBKL1. Please see the JBKL1 section for detailed circuitry
information.
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