User manual for poly-phase meter
8
6 LCD display
6.1 LCD with full segments
LCD with full-segment display is as following.
➢ LCD material is HTN type, and its working temperature range is -40℃~＋70℃.
➢ LCD shall be high contrast ratio.
➢ LCD shall be wide viewing angle.
➢ LCD polarizer shall be anti-ultraviolet function.
6.2 Display segments
Indicates current voltage:
1) On: The voltage is normal
2) Off: Power failure
2) Flashing: Under voltage, Overvoltage,
Loss voltage
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