After the pressure has stabilized, and the weight display has stabilized, a second sampling is performed. <br>The operation steps are: press the "CAL" key to enter the calibration mode, and press the down key (ie the "minus" key) to complete the second sampling. <br>At this time, "B GOOD" will be displayed. If "NO GOOD" is displayed, it means that the calibration is unsuccessful, indicating that the calculated compensation gain is greater than 65536, and the reason is that the compensation range exceeds the limit.
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