Vicovation Vico Power-Plus, Instruction Manual, Page: 26 / 59

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Voltage Offset Adjustment:
Power-Plus voltage detection might have slight shift due to
component/SMT manufacturing, you may benchmark voltage value on
standard multimeter to setup calibration in menu setting. There are
+0.1/0.2/0.3/0.4/0.5v and -0.1/-0.2/-0.3/-0.4/-0.5v parameter for setting.
Use multimeter to check your car battery voltage while engine off
(engine off for 5~10mins). And compare with Power-PLUS voltage
display.
For example, if multimeter detects with 12.5V, but Power-PLUS shows
12.4V, you have to setup +0.1V in Power-PLUS for calibration. +0.1V
offsets Power-PLUS from 12.4V into 12.5V.
If multimeter detects with 12.5, but Power-PLUS shows 12.6V,
you have to setup -0.1V in Power-PLUS for calibration. -0.1V
offsets Power-PLUS from 12.6V into 12.5V.
Voltage Offset Function Detail
Autogoods “130”
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