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mark of the sample cup. Place the sample cup in the middle of the sample pan.
Figure 5
3.2 Click "Pure Water Calibration" to enter the pure water calibration interface
3.3 Click ‘Up’ to increase the sample tray, and click ‘Down’ to decrease the sample
tray. Click ‘start’, the instrument will automatically adjust the position of the sample
tray and switch to the following interface
