Huazheng HZSF-641, Manual

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successful, perform the above steps as many times as possible (this function should
ensure that there is no corresponding gas in the pipeline);
6. Calibration ( Right Key, This Function Is Limited To
Special Personnel Operations)
7. Dew Point Value Calibration ( Up Key Combination
Use, This Function Is Limited To Dedicated Operation)
Press the “OK” button on the measurement interface to enter the function menu.
Press the “Down” button once. When the second item is selected, press the “Cancel”
button and the “Up” button simultaneously to enter the calibration interface.
Enter the measured value of the machine on the left side, input the calibration data on
the right side, and press the OK key to save it (the two sets of data must be input from
small to large)