04
1 Battery power
2 S- Stable. If twinkling, means unstable.
3 CAL – Calibration
4. SET- Setup display
5 HOLD- Auto lock
6 °C °F - Temperature
7 ATC - Automatic Temperature Compensation
8 PH、mV、ORP、Ion、 ppm、mg/L- Measurement mode、Unit of Measurement
9 STD - Standard solutions
10 mV - Zero drift、mV indicator or Ion sensor slope
11 % - Uncalibrated meter is 0% and “%”twinkling. When sensor slope is ≤65%, “%”twinkling
Display
4. Appearance
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