: Results are shown numerically on an LCD alongside a color-coded bar graph: indicates positive polarity, while represents negative polarity. Hold Function : A dedicated HOLD button
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The SIMCO FMX002 system operates as follows:
The unit uses a 9V battery. If the "BATT" icon appears, replace it immediately, as low voltage will lead to inaccurate readings.
Battery Replacement: A flashing battery icon indicates low power. Always use high-quality alkaline 9V batteries to prevent leakage.